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WO2011131230A1 - System and method to display a user interface in a three-dimensional display - Google Patents

System and method to display a user interface in a three-dimensional display Download PDF

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Publication number
WO2011131230A1
WO2011131230A1 PCT/EP2010/055201 EP2010055201W WO2011131230A1 WO 2011131230 A1 WO2011131230 A1 WO 2011131230A1 EP 2010055201 W EP2010055201 W EP 2010055201W WO 2011131230 A1 WO2011131230 A1 WO 2011131230A1
Authority
WO
WIPO (PCT)
Prior art keywords
user interface
blending
background
interface background
distance
Prior art date
Application number
PCT/EP2010/055201
Other languages
French (fr)
Inventor
Omprakash Gangwal
Hendrikus Willem Groot Hulze
Original Assignee
Trident Microsystems, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Trident Microsystems, Inc. filed Critical Trident Microsystems, Inc.
Priority to CN201080066549.0A priority Critical patent/CN103039078B/en
Priority to EP10716808A priority patent/EP2561676A1/en
Priority to KR1020127027288A priority patent/KR20130062907A/en
Priority to JP2013505338A priority patent/JP2013530413A/en
Priority to PCT/EP2010/055201 priority patent/WO2011131230A1/en
Publication of WO2011131230A1 publication Critical patent/WO2011131230A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H04N13/156—Mixing image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H04N13/172—Processing image signals image signals comprising non-image signal components, e.g. headers or format information
    • H04N13/183—On-screen display [OSD] information, e.g. subtitles or menus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/361—Reproducing mixed stereoscopic images; Reproducing mixed monoscopic and stereoscopic images, e.g. a stereoscopic image overlay window on a monoscopic image background
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/816—Monomedia components thereof involving special video data, e.g 3D video
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control

Definitions

  • Embodiments relate generally to displaying user interfaces or menus on a three-dimensional display. More particularly, embodiments relate to displaying a user interface or menu on a 3DTV or other device configured to display three- dimensional video or images.
  • 3DTVs employ three-dimensional presentation methods to project a television program into a realistic three- dimensional field.
  • 3DTVs can display video or images where objects can be shown to appear to project out of the screen and/or behind the screen.
  • the basic concept underlying 3DTV is the stereoscopic nature of the human visual system. That is, when two, shifted views are shown separately to a person's left and right eye, the human visual system can perceive depth based on the displacement
  • UIs User interfaces
  • menus having user-selectable options are commonly displayed in modern televisions. These menus provide users the ability to select a variety of features to affect the viewing experience. For example, user interfaces often provide menus to allow a user to select television programs to view, options to view and/or save television programs, and options to control how television programs are displayed.
  • the user interface can also include other images or video superimposed on a video or image including for example, scrolling text, picture-in- picture, and other images or video superimposed on a video or image .
  • Such user interfaces are placed on top of the video or image content.
  • the user interface can be displayed with semi-transparency to allow a user to continue to view the video underlying the user interface.
  • Such user interfaces can be implemented using, for example, microprocessors such as the PNX85500 available from Trident Microsystems of Santa Clara, California.
  • the present invention is a system for presenting a user interface in a three-dimensional display.
  • the system includes a device having a display to display a three-dimensional video or image and a processor.
  • the processor can be located in a set-top box or in the device itself.
  • the processor is configured to cause a user
  • the present invention is a method for presenting a user interface on a display that displays three- dimensional video or images.
  • the method includes generating a user interface having a background defined by an original background border, displaying the user interface on the display, defining an extended portion of the background with an extended border; and performing graphical processing in the extended portion of the user interface background.
  • the present invention is a device to process a three-dimensional video or image.
  • the device includes an input for receiving an image for display as a three-dimensional video or image and a processor configured to generate a graphical overlay having a foreground portion and a background portion.
  • the graphical overlay is to be displayed in combination with the three-dimensional image, wherein the processor generates an extended background portion and performs graphical processing in the extended background portion.
  • the graphical overlay can be a user interface.
  • the device can be, for example, a system-on-a- chip located on a television.
  • the nature of the graphical processing depends on whether the user interface background is opaque, semi-transparent, or fully transparent. If the user
  • the interface background is opaque the extended portion of the user interface background is blended with the image or video underlying the extended portion.
  • the blending is performed in accordance with a varying alpha value.
  • the alpha value varies as a function of distance from an original border of the user interface background.
  • the alpha value decreases as distance from an original border of the user interface background increases.
  • the alpha value decreases non-linearly as distance from an original border of the user interface background increases.
  • An exemplary non-linear function is an exponential function.
  • the alpha value decreases linearly as distance from an original border of the user interface background increases.
  • the user interface background is semi-transparent, content (including text and two- or three- dimensional images or icons) associated with the user interface is presented to appear as if projected out of the screen.
  • the extended portion of the user interface background is blended with the video or image underlying the extended portion.
  • the blending is performed in accordance with a varying alpha value.
  • the alpha value varies as a function of distance from an original border of the user interface background. For example in an
  • the alpha value decreases non-linearly as distance from an original border of the user interface background increases.
  • An exemplary non-linear function is an exponential function.
  • the alpha value decreases linearly as distance from an original border of the user interface background increases.
  • the video or image underlying the user interface background within a region defined by an original border of the user interface background is blurred.
  • content including text and two- or three-dimensional images, and icons
  • the video or image underlying the extended portion of the user interface background is blurred.
  • a blur radius used in blurring the video or image underlying the extended portion decreases as distance from an original border of the user interface background increases.
  • the blur radius used in blurring the video or image underlying the extended portion decreases linearly as distance from an original border of the user interface background increases.
  • the blur radius decreases non-linearly as distance from an original border of the user interface background increases.
  • An exemplary non ⁇ linear function is an exponential function.
  • Figure 1 is a schematic diagram of a simple television entertainment system according to an embodiment of the present invention
  • Figure 2 illustrates a left presentation and a right
  • Figure 3 illustrates a left presentation and a right
  • Figure 4 illustrates a left presentation and a right
  • FIG. 5 illustrates a left presentation and a right
  • Figure 6 illustrates a left presentation and a right
  • Figure 7 is a flow chart for a method for presenting a user interface (UI) such to a user on a display that can be configured to display a three-dimensional presentation.
  • UI user interface
  • Figure 1 is a schematic diagram of a television entertainment system 102 according to an embodiment of the present
  • television entertainment system 102 includes a television 104 having a display 105.
  • a set top box 106 accepts a television signal from a source through a connector 108.
  • the source can feed a television signal through connector 108 from any television signal source, including for example, a satellite television service provider or a cable television service provider.
  • Set top box 106 receives the television signal through connector 108 from the television service provider
  • television 104 can provide three-dimensional presentations of television video and images. The three-dimensional presentation is shown to a user on display 105.
  • Display 105 can be any display that can provide a three-dimensional view to a user.
  • set top box 106 includes a processor 107.
  • Processor 107 can be any processor that can be configured to perform the processing described herein.
  • An exemplary such processor is the PNX85500 available from Trident Microsystems of Santa Clara, California.
  • One function of processor 107 is to cause a user interface, including without limitation a menu of user-selectable options or a subtitle, to be
  • embodiments of the invention remove unsettling effects caused when conventional user interface techniques are applied in a three-dimensional video or image presentation.
  • set-top box 106 is not included, and processor 107 is located in a device such as television 104 or any other device to provide the user interface.
  • the device is a system-on-a-chip (SOC) .
  • SOC includes an input to acquire at least a three dimensional image or video for display and a processor configured to generate a graphical overlay having a
  • processor 107 generates an extended background portion.
  • Processor 107 performs graphical processing such as described herein in the extended background portion.
  • An exemplary such graphical overly is the user interface described herein.
  • Display 105 can be a display other than on a television set, and devices other than television sets can be used in
  • display 105 can be a display used on a device such as a portable video player, a personal digital assistant, a tablet computer such as an Apple iPad, or a telephone such as an Apple iPhone, RIM Blackberry, or other telephone configured to display three-dimensional images or video, a screen on a camera configured to display three- dimensional images, or a screen on any other device that can present three-dimensional images or video.
  • processor 107 is located in the device itself to provide the user interface.
  • Figure 2 illustrates a left presentation 202a and a right presentation 202b of a three-dimensional presentation having an object 204.
  • Display 206 can be any display that can display three-dimensional presentations, such as display 105 described above with respect to Figure 1.
  • the three-dimensional effect is provided by the position shift of an object, such as object 204, or a pixel in the left and right presentations 202a and 202b on display 206.
  • Figure 3 illustrates a left presentation 302a and a right presentation 302b of a three-dimensional presentation having an object 304.
  • left presentation 302a and right presentation 302b are a three-dimensional presentation having an object 304.
  • Display 306 can be any display that can display three-dimensional
  • Figure 3 also illustrates an exemplary user interface 308.
  • User interface 308 has an original border 309.
  • the dotted line showing border 309 is shown in Figure 3 for clarity to show the original border of user interface 308. However, in an embodiment, the dotted line is not presented to the user on display 306.
  • user interface 308 is a menu of selectable channels, Chi to Ch8. It should be understood that user interface 308 can be any user interface in the context of an embodiment of the present invention including a menu, a subtitle, or any other user interface. Conventionally, user interface 308 is presented to the user at screen depth level.
  • original border 309 of user interface 308 is extended by an amount horizontal and vertical direction as shown by extended border 310 to define an extended portion 312 of the background of user interface 308. In an embodiment, this amount is 5% of the screen height in the vertical direction and 5% of the screen width in the horizontal direction. The amount to extend original border 309 of user interface 308 can differ from 5% depending on implementation. In addition, the amount of extension need not be the same in the vertical and horizontal directions. In an embodiment, the amount of extension is preset by the set top box manufacturer. In another embodiment, the amount of extension is user-programmable, by using for example, a set top box configuration mode. In embodiments, graphical processing as described below is performed on extended portion 312 of the presentation falling between extended border 310 and original border 309 of user interface 308 to overcome the unsettling effects of three-dimensional user interface presentation.
  • Figure 4 illustrates a left presentation 402a and a right presentation 402b to overcome the unsettling effect of three- dimensional user interface presentation according to an embodiment of the present invention where the user interface has an opaque (non-transparent) background.
  • Display 406 can be any display that can display three-dimensional presentations to a user, such as display 105 described above with respect to Figure 1.
  • left presentation 402a and right presentation 402b include an object 404 and a user interface 408.
  • user interface 408 can be any user interface including a menu, a subtitle, or any other user interface.
  • User interface 408 has an original border 409. The dotted line showing original border 409 is shown in Figure 4 for clarity to show the original border of user interface 408. However, in an embodiment, the dotted line is not presented to the user on display 406.
  • user interface 408 has an opaque (non-transparent) background.
  • an extended border 410 is defined.
  • the dotted line showing extended border 410 is shown in Figure 4 for clarity to show the extended border of user interface 408. However, in an embodiment, the dotted line is not presented to the user on display 406.
  • an extended portion 412 of the background between extended border 410 and original border 409 of the background of user interface 408 is blended with underlying content video or image with a decreasing alpha.
  • alpha represents the amount of blending. Alpha ranges from 1 (opaque) to 0 (transparent) .
  • the value of alpha decreases from 1 (opaque) to 0 (fully transparent) as a function of the distance from the original border of the user interface to the extended border.
  • alpha is determined as a non-linear function of pixel distance from the original border.
  • An exemplary such non-linear function is an exponential function.
  • alpha is determined as a linear function of pixel distance from the original border. Other functions can be used to determine alpha as would be apparent to those skilled in the art.
  • alpha blending underlying video or image with extended portion 412 has the following properties.
  • the variable alpha blending with the content at the border removes hard depth transitions between the user interface 408 plane and the content video plane.
  • the variable alpha blending with extended portion 412 dampens (attenuates) the depth (disparity) of the content in a smooth manner toward the depth (disparity) of user interface 408.
  • the text in user interface 408 having a non- transparent background can be read both with and without glasses .
  • Figure 5 illustrates a left presentation 502a and a right presentation 502b to overcome the unsettling effect of three- dimensional user interface presentation according to an embodiment of the present invention where the user interface has a semi-transparent background.
  • Left presentation 502a and right presentation 502b are presented to a user on a display 506.
  • Display 506 can be any display that can be configured to show three-dimensional presentations to a user, such as display 105 described above with respect to Figure 1.
  • left presentation 502a and right presentation 502b include an object 504 and a user interface 508.
  • user interface 508 can be any user interface including a menu, a subtitle, or any other use of a user interface.
  • User interface 508 has an original border 509.
  • the dotted line showing original border 509 is shown in Figure 5 for clarity to show the original border of user interface 508. However, in an embodiment, the dotted line is not presented to the user on display 506.
  • user interface 508 has a semi-transparent background.
  • the text of user interface 508 is position-shifted so as to appear to be projected out of the screen.
  • any two- or three-dimensional icons or images in user interface 508 are position-shifted so as to appear to be projected out of the screen. In this manner, intersection of the text of user interface 508 with the video or image is avoided.
  • an extended border 510 is defined.
  • the dotted line showing extended border 510 is shown in Figure 5 for clarity to show the extended border of user interface 508. However, in an embodiment, the dotted line is not presented to the user on display 506.
  • an extended portion 512 of the background between extended border 510 and original border 509 of the background of user interface 508 is blended with content video or image with a decreasing alpha, where alpha
  • Alpha represents the amount of blending.
  • Alpha ranges from the value of alpha used to provide the semi-transparency of the user interface background (semi-transparent) to 0
  • extended portion 512 can be smaller than portion 412 shown in Figure 4.
  • the value of alpha decreases from the semi-transparency alpha value to 0 (fully
  • alpha is determined as a non-linear function of pixel distance from the original border.
  • An exemplary such non-linear function is an exponential function.
  • alpha is determined as a linear function of pixel distance from the original border. Other functions can be used to determine alpha as would be apparent to those skilled in the art.
  • alpha blending underlying video or image with extended portion 512 has the following properties. The variable alpha blending with the content at the border removes hard depth transitions between the user interface 508 plane and the content video plane.
  • variable alpha blending with portion 512 also dampens (attenuates) the depth (disparity) of the content in a smooth manner toward the depth (disparity) of user interface 508.
  • Figure 6 illustrates a left presentation 602a and a right presentation 602b to overcome the unsettling effect of three- dimensional user interface presentation according to an embodiment of the present invention where the user interface has a fully transparent background.
  • Left presentation 602a and right presentation 602b are presented to a user on a display 606.
  • Display 606 can be any display that can display three-dimensional presentations to a user, such as display 105 described above with respect to Figure 1.
  • left presentation 602a and right presentation 602b include an object 604 and a user interface 608.
  • user interface 608 can be any user interface invention including a menu, a subtitle, or any other use of a user interface.
  • User interface 608 has an original border 609. The dotted line showing original border 609 is shown in Figure 6 for clarity to show the original border of user interface 608. However, in an embodiment, the dotted line is not presented to the user on display 606.
  • user interface 608 has a fully transparent background.
  • the text of user interface 608 is position-shifted so as to appear to be projected out of the screen.
  • any two- or three-dimensional icons or images in user interface 608 are position-shifted so as to appear to be projected out of the screen. In this manner, intersection of the text of user interface 608 with the video or image is avoided.
  • an extended border 610 can be created.
  • the dotted line showing extended border 610 is shown in Figure 6 for clarity to show the extended border of user interface 608. However, in an embodiment, the dotted line is not presented to the user on display 606.
  • an extended portion 612 of the background between extended border 610 and the original border of the background 609 of user interface 608 is blurred.
  • the video or image underlying the original background of user interface 608 is blurred.
  • the video or image underlying the original background of user interface 608 is blurred using a maximum available blur radius. Other values of blur radius can be used depending on implementation.
  • the video or image underlying extended portion 612 is blurred.
  • the blur radius decreases with increasing distance from original border 609 of user interface 608 to the extended border 610.
  • blur radius begins with a maximum available blur radius and decreases with increasing distance from original border 609 of user interface 608 to the extended border 610.
  • Typical values for blur radius range from 80 to 40 pixels. Other blur radius ranges can be used depending on implementation.
  • the blurring continues to the extent of the extension of user interface 608 with the blur radius decreasing with increasing distance from original border 609.
  • blur radius is determined as a non-linear function of pixel distance from the original border.
  • An exemplary such nonlinear function is an exponential function.
  • blur radius is determined as a linear function of pixel distance from the original border. Other functions can be used to determine blur radius as would be apparent to those skilled in the art. In addition, other ranges of blur radius can be used. Blurring the video or image behind the user interface as described above makes the user interface text and any
  • Varying the blur radius in extended portion 612 removes hard depth transitions between the text of the user interface plane and the content video or image plane.
  • extended portion 612 can be smaller than portion 412 shown in Figure 4.
  • Figure 7 is a flow chart for a method for presenting a user interface (UI) such to a user on a display that can be configured to display a three-dimensional presentation.
  • the display can be any screen to display three-dimensional images or video such as display 105 described above with respect to Figure 1.
  • a user interface such as a menu of user- selectable options, a subtitle, or any other user interface
  • a user interface is displayed on the display.
  • an extended border is created around the user interface background to define an extended portion of the user interface background.
  • a determination is made whether the user interface background is opaque, semi-transparent, or transparent.
  • step 706 If in step 706 it is determined that the user interface background is opaque, operation of the method continues in step 708.
  • step 708 the user interface background in the extended portion is blended with the underlying video or image being displayed on the display.
  • the blending is preformed using an alpha value that indicates an amount of blending transparency.
  • alpha ranges from 1 (opaque) to 0 (fully transparent) .
  • alpha for blending is determined as a function of distance from the original border of the user interface background. For example, in an
  • alpha is decreased as a distance from the
  • alpha decreases from 1 to 0 as a function of the distance from the original border of the user interface to the extended border.
  • alpha is determined as a non-linear function of pixel distance from the original border.
  • An exemplary such non-linear function is an exponential function.
  • alpha is determined as a linear function of pixel distance from the original border. Other functions can be used to determine alpha as would be apparent to those skilled in the art.
  • step 706 If in step 706 it is determined that the user interface background is semi-transparent, operation of the method continues in step 710.
  • step 710 the text of the user interface is presented to the user to appear as projecting out of the display. Further, in step 710, any two- or three- dimensional images or icons of the user interface are
  • step 712 the user interface background in the extended portion is blended with the underlying video or image being displayed on the display.
  • blending is performed using an alpha value that indicates an amount of blending transparency.
  • alpha ranges from a value of alpha corresponding to the semi-transparent user interface background (semi- transparent) to 0 (fully transparent) .
  • alpha for blending is determined as a function of distance from the original border of the user interface background. For example, in an embodiment, alpha is decreased as a distance from the original border of the user interface increases. In an embodiment, for example, alpha decreases from the semi-transparency alpha value to 0 as a function of the distance from the original border of the user interface to the extended border. In an embodiment, alpha is
  • alpha is determined as a linear function of pixel distance from the original border. Other functions can be used to determine alpha as would be apparent to those skilled in the art.
  • step 714 the text of the user interface is presented to the user to appear as projecting out of the display. Further, in step 714, any two- or three-dimensional images or icons of the user interface are presented to the user to appear as projecting out of the display. Operation of the method then continues in step 716 where the video or image underlying the user interface is blurred. For example, in an embodiment, the video or image underlying the original background of user interface 608 blurred using a maximum available blur radius. Other values of blur radius can be used depending on implementation.
  • the video or image in the extended portion is blurred using a blur radius determined as a function of distance from the original border of the user interface background.
  • the blur radius is decreased as a distance from the original border of the user interface increases.
  • blur radius begins with a maximum available blur radius and decreases with increasing distance from original border of the user interface.
  • blur radius is decreased from 80 pixels to 40 pixels.
  • blur radius is determined as a non-linear
  • An exemplary such non-linear function is an exponential
  • blur radius is determined as a linear function of pixel distance from the original border. Other functions can be used to determine blur radius as would be apparent to those skilled in the art.
  • processor 107 can be located in a set top box 106 of Figure 1 or in a device displaying the three-dimensional image or video.
  • Processor 107 can be any processor that can be configured with software programmed to execute the operations described herein, for example, with respect to Figure 7.
  • processor is the PNX85500 available from Trident Microsystems of Santa Clara, California.
  • determination step 706 is not required.
  • processor 107 is preconfigured to implement a user interface having either an opaque
  • processor 107 implements a user interface having only an opaque background, only steps 702, 704, and 708 of Figure 7 are required. If processor 107 implements a user interface having only a semi- transparent background, only step 702, 704, 710, and 712 are required. If processor 107 implements a user interface having only a fully transparent background, only step 702, 704, 714, and 716 are required.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • User Interface Of Digital Computer (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

A user interface on a three-dimensional display overcomes unsettling effects that arise when user interfaces are presented to users in a three-dimensional context. An extended border defines an extended portion of a background of the user interface. If the background is opaque, the extended portion of the background is blended with the underlying video or image. If the background is semi-transparent, user interface content is presented as appearing to project out of the screen, and the extended portion of the background is blended with the underlying video or image with variable blending alpha. If the background is transparent, user interface content is presented as appearing to project out of the screen, the video or image underlying the original background of the user interface is blurred, and the portion of the video or image underlying the extended portion of the background is blurred with variable blur radius.

Description

SYSTEM AND METHOD TO DISPLAY A USER INTERFACE IN A THREE- DIMENSIONAL DISPLAY
FIELD OF THE INVENTION
Embodiments relate generally to displaying user interfaces or menus on a three-dimensional display. More particularly, embodiments relate to displaying a user interface or menu on a 3DTV or other device configured to display three- dimensional video or images.
BACKGROUND OF THE INVENTION
3DTVs employ three-dimensional presentation methods to project a television program into a realistic three- dimensional field. As such, 3DTVs can display video or images where objects can be shown to appear to project out of the screen and/or behind the screen. The basic concept underlying 3DTV is the stereoscopic nature of the human visual system. That is, when two, shifted views are shown separately to a person's left and right eye, the human visual system can perceive depth based on the displacement
(disparity) of objects (pixels). A number of conventional display technologies exist can present a separate image to a person' s left eye and right eye to create a three-dimensional view of a scene. For example, glasses based technologies include line-interleaved polarized displays used with passive polarized glasses and 120 Hz or 240 Hz displays used with active shutter glasses. Non- glasses based technologies include lenticular displays with 9 simultaneous views. User interfaces (UIs) , including menus having user-selectable options are commonly displayed in modern televisions. These menus provide users the ability to select a variety of features to affect the viewing experience. For example, user interfaces often provide menus to allow a user to select television programs to view, options to view and/or save television programs, and options to control how television programs are displayed.
Another common use for user interfaces is to display
subtitles. Such subtitles are often displayed, for example, for hearing impaired users and for providing translations of audio in another language. The user interface can also include other images or video superimposed on a video or image including for example, scrolling text, picture-in- picture, and other images or video superimposed on a video or image . Typically, such user interfaces are placed on top of the video or image content. In addition, the user interface can be displayed with semi-transparency to allow a user to continue to view the video underlying the user interface. Such user interfaces can be implemented using, for example, microprocessors such as the PNX85500 available from Trident Microsystems of Santa Clara, California.
However, when such menus are placed in a 3DTV, undesirable effects are often observed, particularly when images appear to project out of the screen. User interface text with a solid (non-transparent) background has a problem at the boundary of the menu caused by a perceived hard depth level transition at the menu or subtitle boundary. A potential solution is to place the UI menu or subtitle at the same depth of the video or image appearing behind it. In this case, semi-transparency can be used. However, the user interface text (as well as two- or three-dimensional images or icons therein) at the screen level can interfere
(intersect) with the objects appearing to project out of the screen. Such interference caused by the text (or images or icons) can be unsettling to a viewer.
SUMMARY OF THE INVENTION
In an embodiment, the present invention is a system for presenting a user interface in a three-dimensional display. The system includes a device having a display to display a three-dimensional video or image and a processor. The processor can be located in a set-top box or in the device itself. The processor is configured to cause a user
interface having a background to be presented on the display, to define an extended portion of the user interface
background, and to perform graphical processing in the extended portion of the user interface background.
In another embodiment, the present invention is a method for presenting a user interface on a display that displays three- dimensional video or images. The method includes generating a user interface having a background defined by an original background border, displaying the user interface on the display, defining an extended portion of the background with an extended border; and performing graphical processing in the extended portion of the user interface background. In another embodiment, the present invention is a device to process a three-dimensional video or image. The device includes an input for receiving an image for display as a three-dimensional video or image and a processor configured to generate a graphical overlay having a foreground portion and a background portion. The graphical overlay is to be displayed in combination with the three-dimensional image, wherein the processor generates an extended background portion and performs graphical processing in the extended background portion. The graphical overlay can be a user interface. The device can be, for example, a system-on-a- chip located on a television.
In an embodiment, the nature of the graphical processing depends on whether the user interface background is opaque, semi-transparent, or fully transparent. If the user
interface background is opaque the extended portion of the user interface background is blended with the image or video underlying the extended portion. In an embodiment, the blending is performed in accordance with a varying alpha value. In an embodiment, the alpha value varies as a function of distance from an original border of the user interface background. For example, in an embodiment, the alpha value decreases as distance from an original border of the user interface background increases. For example in an embodiment, the alpha value decreases non-linearly as distance from an original border of the user interface background increases. An exemplary non-linear function is an exponential function. In another embodiment, the alpha value decreases linearly as distance from an original border of the user interface background increases. If the user interface background is semi-transparent, content (including text and two- or three- dimensional images or icons) associated with the user interface is presented to appear as if projected out of the screen. In addition, the extended portion of the user interface background is blended with the video or image underlying the extended portion. In an embodiment, the blending is performed in accordance with a varying alpha value. In an embodiment, the alpha value varies as a function of distance from an original border of the user interface background. For example in an
embodiment, the alpha value decreases non-linearly as distance from an original border of the user interface background increases. An exemplary non-linear function is an exponential function. In another embodiment, the alpha value decreases linearly as distance from an original border of the user interface background increases.
If the user interface background is fully transparent, the video or image underlying the user interface background within a region defined by an original border of the user interface background is blurred. In an embodiment, content (including text and two- or three-dimensional images, and icons) associated with the user interface background is presented to appear as projected out of the screen. In an embodiment, the video or image underlying the extended portion of the user interface background is blurred. In an embodiment, a blur radius used in blurring the video or image underlying the extended portion decreases as distance from an original border of the user interface background increases. In an embodiment, the blur radius used in blurring the video or image underlying the extended portion decreases linearly as distance from an original border of the user interface background increases. In another embodiment, the blur radius decreases non-linearly as distance from an original border of the user interface background increases. An exemplary non¬ linear function is an exponential function.
Additional features and embodiments of the present invention will be evident in view of the following detailed description of the invention. BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a schematic diagram of a simple television entertainment system according to an embodiment of the present invention
Figure 2 illustrates a left presentation and a right
presentation of a three-dimensional presentation of an image having an object. Figure 3 illustrates a left presentation and a right
presentation of a three-dimensional presentation of an image having an object.
Figure 4 illustrates a left presentation and a right
presentation to overcome the unsettling effect of three- dimensional user interface presentation according to an embodiment of the present invention where the user interface has an opaque (non-transparent) background. Figure 5 illustrates a left presentation and a right
presentation to overcome the unsettling effect of three- dimensional user interface presentation according to an embodiment of the present invention where the user interface has a semi-transparent background.
Figure 6 illustrates a left presentation and a right
presentation to overcome the unsettling effect of three- dimensional user interface presentation according to an embodiment of the present invention where the user interface has a transparent background. Figure 7 is a flow chart for a method for presenting a user interface (UI) such to a user on a display that can be configured to display a three-dimensional presentation.
DETAILED DESCRIPTION OF THE INVENTION
Figure 1 is a schematic diagram of a television entertainment system 102 according to an embodiment of the present
invention. As shown in Figure 1, television entertainment system 102 includes a television 104 having a display 105. A set top box 106 accepts a television signal from a source through a connector 108. The source can feed a television signal through connector 108 from any television signal source, including for example, a satellite television service provider or a cable television service provider.
Set top box 106 receives the television signal through connector 108 from the television service provider,
conditions the received television signal, tunes to one or more desired television channels, and provides a tuned signal to television 104. In an embodiment television 104 can provide three-dimensional presentations of television video and images. The three-dimensional presentation is shown to a user on display 105. Display 105 can be any display that can provide a three-dimensional view to a user.
In an embodiment, set top box 106 includes a processor 107. Processor 107 can be any processor that can be configured to perform the processing described herein. An exemplary such processor is the PNX85500 available from Trident Microsystems of Santa Clara, California. One function of processor 107 is to cause a user interface, including without limitation a menu of user-selectable options or a subtitle, to be
displayed to a user in accordance with embodiments of the invention. As described herein, embodiments of the invention remove unsettling effects caused when conventional user interface techniques are applied in a three-dimensional video or image presentation. In an alternate embodiment, set-top box 106 is not included, and processor 107 is located in a device such as television 104 or any other device to provide the user interface. In an alternate embodiment, the device is a system-on-a-chip (SOC) . The SOC includes an input to acquire at least a three dimensional image or video for display and a processor configured to generate a graphical overlay having a
foreground portion and a background portion. The graphical overlay is to be displayed in combination with a three dimensional image or video input to the device. In operation processor 107 generates an extended background portion.
Processor 107 performs graphical processing such as described herein in the extended background portion. An exemplary such graphical overly is the user interface described herein. Display 105 can be a display other than on a television set, and devices other than television sets can be used in
embodiments of the present invention. For example, in alternate embodiments, display 105 can be a display used on a device such as a portable video player, a personal digital assistant, a tablet computer such as an Apple iPad, or a telephone such as an Apple iPhone, RIM Blackberry, or other telephone configured to display three-dimensional images or video, a screen on a camera configured to display three- dimensional images, or a screen on any other device that can present three-dimensional images or video. In such alternate embodiments, processor 107 is located in the device itself to provide the user interface. Figure 2 illustrates a left presentation 202a and a right presentation 202b of a three-dimensional presentation having an object 204. Left presentation 202a and right presentation 202b are presented separately to the user's left and right eyes respectively on a display 206. Display 206 can be any display that can display three-dimensional presentations, such as display 105 described above with respect to Figure 1. In an embodiment, the three-dimensional effect is provided by the position shift of an object, such as object 204, or a pixel in the left and right presentations 202a and 202b on display 206. In Figure 2, VL and VR represent the distance of an object or pixel from the edge of left presentation 202a and right presentation 202b respectively. If VL = VR, the object or pixel is presented at the screen depth. If VL > VR, the object or pixel is presented as appearing to project out from the screen. If VL < VR, the object or pixel is
presented as appearing to be behind the screen depth. Thus, as shown in Figure 2, because VL > VR, object 204 is presented as appearing to project out from the screen.
Figure 3 illustrates a left presentation 302a and a right presentation 302b of a three-dimensional presentation having an object 304. As with left and right presentations 202a and 202b of Figure 2, left presentation 302a and right
presentation 302b are presented separately to the user's left and right eyes respectively on a display 306. Display 306 can be any display that can display three-dimensional
presentations to a user, such as display 105 described above with respect to Figure 1. Because VL > VR, object 304 is presented as appearing to project out from the screen. Figure 3 also illustrates an exemplary user interface 308. User interface 308 has an original border 309. The dotted line showing border 309 is shown in Figure 3 for clarity to show the original border of user interface 308. However, in an embodiment, the dotted line is not presented to the user on display 306.
In Figure 3, user interface 308 is a menu of selectable channels, Chi to Ch8. It should be understood that user interface 308 can be any user interface in the context of an embodiment of the present invention including a menu, a subtitle, or any other user interface. Conventionally, user interface 308 is presented to the user at screen depth level. That is, BL = BR and TL = TR, where BL is the distance from the left edge the background of user interface 308 is positioned in left presentation 302a, BR is the distance from the left edge the background of user interface 308 is positioned in right presentation 302b, TL is the distance from the left edge the text of user interface 308 is positioned in left presentation 302a, and TR is the distance from the left edge the text of user interface 308 is positioned in right
presentation 302b. As explained above, unsettling effects can occur when user interface 308 is presented to a user in conventional systems. To overcome these effects, in embodiments original border 309 of user interface 308 is extended by an amount horizontal and vertical direction as shown by extended border 310 to define an extended portion 312 of the background of user interface 308. In an embodiment, this amount is 5% of the screen height in the vertical direction and 5% of the screen width in the horizontal direction. The amount to extend original border 309 of user interface 308 can differ from 5% depending on implementation. In addition, the amount of extension need not be the same in the vertical and horizontal directions. In an embodiment, the amount of extension is preset by the set top box manufacturer. In another embodiment, the amount of extension is user-programmable, by using for example, a set top box configuration mode. In embodiments, graphical processing as described below is performed on extended portion 312 of the presentation falling between extended border 310 and original border 309 of user interface 308 to overcome the unsettling effects of three-dimensional user interface presentation.
Figure 4 illustrates a left presentation 402a and a right presentation 402b to overcome the unsettling effect of three- dimensional user interface presentation according to an embodiment of the present invention where the user interface has an opaque (non-transparent) background. Left
presentation 402a and right presentation 402b are presented to a user on a display 406. Display 406 can be any display that can display three-dimensional presentations to a user, such as display 105 described above with respect to Figure 1. As shown in Figure 4, left presentation 402a and right presentation 402b include an object 404 and a user interface 408. It should be understood that user interface 408 can be any user interface including a menu, a subtitle, or any other user interface. User interface 408 has an original border 409. The dotted line showing original border 409 is shown in Figure 4 for clarity to show the original border of user interface 408. However, in an embodiment, the dotted line is not presented to the user on display 406. In the embodiment illustrated in Figure 4, user interface 408 has an opaque (non-transparent) background. To overcome the unsettling effect of three-dimensional user interface
presentations of a user interface having an opaque
background, in an embodiment, an extended border 410 is defined. The dotted line showing extended border 410 is shown in Figure 4 for clarity to show the extended border of user interface 408. However, in an embodiment, the dotted line is not presented to the user on display 406. In the embodiment, an extended portion 412 of the background between extended border 410 and original border 409 of the background of user interface 408 is blended with underlying content video or image with a decreasing alpha. In an embodiment, alpha represents the amount of blending. Alpha ranges from 1 (opaque) to 0 (transparent) . For example, in the exemplary embodiment, the value of alpha decreases from 1 (opaque) to 0 (fully transparent) as a function of the distance from the original border of the user interface to the extended border. In an embodiment, alpha is determined as a non-linear function of pixel distance from the original border. An exemplary such non-linear function is an exponential function. In another embodiment, alpha is determined as a linear function of pixel distance from the original border. Other functions can be used to determine alpha as would be apparent to those skilled in the art.
In an embodiment, alpha blending underlying video or image with extended portion 412 has the following properties. The variable alpha blending with the content at the border removes hard depth transitions between the user interface 408 plane and the content video plane. Moreover, the variable alpha blending with extended portion 412 dampens (attenuates) the depth (disparity) of the content in a smooth manner toward the depth (disparity) of user interface 408. In addition, the text in user interface 408 having a non- transparent background can be read both with and without glasses .
Figure 5 illustrates a left presentation 502a and a right presentation 502b to overcome the unsettling effect of three- dimensional user interface presentation according to an embodiment of the present invention where the user interface has a semi-transparent background. Left presentation 502a and right presentation 502b are presented to a user on a display 506. Display 506 can be any display that can be configured to show three-dimensional presentations to a user, such as display 105 described above with respect to Figure 1. As shown in Figure 5, left presentation 502a and right presentation 502b include an object 504 and a user interface 508. It should be understood that user interface 508 can be any user interface including a menu, a subtitle, or any other use of a user interface. User interface 508 has an original border 509. The dotted line showing original border 509 is shown in Figure 5 for clarity to show the original border of user interface 508. However, in an embodiment, the dotted line is not presented to the user on display 506.
In the embodiment illustrated in Figure 5, user interface 508 has a semi-transparent background. To overcome the
unsettling effect of three-dimensional user interface
presentation of a user interface having a semi-transparent background, in an embodiment, the text of user interface 508 is position-shifted so as to appear to be projected out of the screen. In addition, any two- or three-dimensional icons or images in user interface 508 are position-shifted so as to appear to be projected out of the screen. In this manner, intersection of the text of user interface 508 with the video or image is avoided. Thus, TL > TR as shown in Figure 5.
In addition, in an embodiment, the background is maintained at the screen level (i.e., BL = BR) . To avoid the unsettling effect that may be caused by the semi-transparent background, an extended border 510 is defined. The dotted line showing extended border 510 is shown in Figure 5 for clarity to show the extended border of user interface 508. However, in an embodiment, the dotted line is not presented to the user on display 506. In the embodiment, an extended portion 512 of the background between extended border 510 and original border 509 of the background of user interface 508 is blended with content video or image with a decreasing alpha, where alpha
represents the amount of blending. Alpha ranges from the value of alpha used to provide the semi-transparency of the user interface background (semi-transparent) to 0
(transparent) . Because the text and any included images or icons are to be presented as appearing to project out of the screen, extended portion 512 can be smaller than portion 412 shown in Figure 4.
For example, in an embodiment, the value of alpha decreases from the semi-transparency alpha value to 0 (fully
transparent) as a function of the distance from the original border of the user interface to the extended border. In an embodiment, alpha is determined as a non-linear function of pixel distance from the original border. An exemplary such non-linear function is an exponential function. In another embodiment, alpha is determined as a linear function of pixel distance from the original border. Other functions can be used to determine alpha as would be apparent to those skilled in the art. In an embodiment, alpha blending underlying video or image with extended portion 512 has the following properties. The variable alpha blending with the content at the border removes hard depth transitions between the user interface 508 plane and the content video plane. Moreover, the variable alpha blending with portion 512 also dampens (attenuates) the depth (disparity) of the content in a smooth manner toward the depth (disparity) of user interface 508. Figure 6 illustrates a left presentation 602a and a right presentation 602b to overcome the unsettling effect of three- dimensional user interface presentation according to an embodiment of the present invention where the user interface has a fully transparent background. Left presentation 602a and right presentation 602b are presented to a user on a display 606. Display 606 can be any display that can display three-dimensional presentations to a user, such as display 105 described above with respect to Figure 1.
As shown in Figure 6, left presentation 602a and right presentation 602b include an object 604 and a user interface 608. It should be understood that user interface 608 can be any user interface invention including a menu, a subtitle, or any other use of a user interface. User interface 608 has an original border 609. The dotted line showing original border 609 is shown in Figure 6 for clarity to show the original border of user interface 608. However, in an embodiment, the dotted line is not presented to the user on display 606.
In the embodiment illustrated in Figure 6, user interface 608 has a fully transparent background. To overcome the
unsettling effect of three-dimensional user interface
presentation of a user interface having a transparent
background, in an embodiment, the text of user interface 608 is position-shifted so as to appear to be projected out of the screen. In addition, any two- or three-dimensional icons or images in user interface 608 are position-shifted so as to appear to be projected out of the screen. In this manner, intersection of the text of user interface 608 with the video or image is avoided. Thus, TL > TR as shown in Figure 6. In addition, to avoid the unsettling effect that may arise with a fully transparent background, an extended border 610 can be created. The dotted line showing extended border 610 is shown in Figure 6 for clarity to show the extended border of user interface 608. However, in an embodiment, the dotted line is not presented to the user on display 606.
In the embodiment, an extended portion 612 of the background between extended border 610 and the original border of the background 609 of user interface 608 is blurred. In an embodiment, the video or image underlying the original background of user interface 608 is blurred. For example, in an embodiment, the video or image underlying the original background of user interface 608 is blurred using a maximum available blur radius. Other values of blur radius can be used depending on implementation.
Further, in an embodiment, the video or image underlying extended portion 612 is blurred. Moreover, in extended portion 612, the blur radius decreases with increasing distance from original border 609 of user interface 608 to the extended border 610. In an embodiment, for example, blur radius begins with a maximum available blur radius and decreases with increasing distance from original border 609 of user interface 608 to the extended border 610. Typical values for blur radius range from 80 to 40 pixels. Other blur radius ranges can be used depending on implementation. The blurring continues to the extent of the extension of user interface 608 with the blur radius decreasing with increasing distance from original border 609. In an embodiment, blur radius is determined as a non-linear function of pixel distance from the original border. An exemplary such nonlinear function is an exponential function. In another embodiment, blur radius is determined as a linear function of pixel distance from the original border. Other functions can be used to determine blur radius as would be apparent to those skilled in the art. In addition, other ranges of blur radius can be used. Blurring the video or image behind the user interface as described above makes the user interface text and any
included images or icons more easily readable or viewable, and slightly dampens the depth effect of the underlying video or image. Varying the blur radius in extended portion 612 removes hard depth transitions between the text of the user interface plane and the content video or image plane.
Because the text is to be presented as appearing to project out of the screen, extended portion 612 can be smaller than portion 412 shown in Figure 4.
Figure 7 is a flow chart for a method for presenting a user interface (UI) such to a user on a display that can be configured to display a three-dimensional presentation. The display can be any screen to display three-dimensional images or video such as display 105 described above with respect to Figure 1.
In step 702, a user interface, such as a menu of user- selectable options, a subtitle, or any other user interface, is displayed on the display. In step 704, an extended border is created around the user interface background to define an extended portion of the user interface background. In step 706, a determination is made whether the user interface background is opaque, semi-transparent, or transparent.
If in step 706 it is determined that the user interface background is opaque, operation of the method continues in step 708. In step 708, the user interface background in the extended portion is blended with the underlying video or image being displayed on the display. In an embodiment, the blending is preformed using an alpha value that indicates an amount of blending transparency. In an embodiment, alpha ranges from 1 (opaque) to 0 (fully transparent) . In an embodiment, alpha for blending is determined as a function of distance from the original border of the user interface background. For example, in an
embodiment, alpha is decreased as a distance from the
original border of the user interface increases. In an embodiment, for example, alpha decreases from 1 to 0 as a function of the distance from the original border of the user interface to the extended border. In an embodiment, alpha is determined as a non-linear function of pixel distance from the original border. An exemplary such non-linear function is an exponential function. In another embodiment, alpha is determined as a linear function of pixel distance from the original border. Other functions can be used to determine alpha as would be apparent to those skilled in the art.
If in step 706 it is determined that the user interface background is semi-transparent, operation of the method continues in step 710. In step 710, the text of the user interface is presented to the user to appear as projecting out of the display. Further, in step 710, any two- or three- dimensional images or icons of the user interface are
presented to the user to appear as projecting out of the display. Operation of the method then continues in step 712 where the user interface background in the extended portion is blended with the underlying video or image being displayed on the display.
In an embodiment, blending is performed using an alpha value that indicates an amount of blending transparency. In an embodiment, alpha ranges from a value of alpha corresponding to the semi-transparent user interface background (semi- transparent) to 0 (fully transparent) . In an embodiment, alpha for blending is determined as a function of distance from the original border of the user interface background. For example, in an embodiment, alpha is decreased as a distance from the original border of the user interface increases. In an embodiment, for example, alpha decreases from the semi-transparency alpha value to 0 as a function of the distance from the original border of the user interface to the extended border. In an embodiment, alpha is
determined as a non-linear function of pixel distance from the original border. An exemplary such non-linear function is an exponential function. In another embodiment, alpha is determined as a linear function of pixel distance from the original border. Other functions can be used to determine alpha as would be apparent to those skilled in the art.
If in step 706 it is determined that the user interface background is transparent, operation of the method continues in step 714. In step 714, the text of the user interface is presented to the user to appear as projecting out of the display. Further, in step 714, any two- or three-dimensional images or icons of the user interface are presented to the user to appear as projecting out of the display. Operation of the method then continues in step 716 where the video or image underlying the user interface is blurred. For example, in an embodiment, the video or image underlying the original background of user interface 608 blurred using a maximum available blur radius. Other values of blur radius can be used depending on implementation. In an embodiment, the video or image in the extended portion is blurred using a blur radius determined as a function of distance from the original border of the user interface background. For example, in an embodiment, the blur radius is decreased as a distance from the original border of the user interface increases. In an embodiment, for example, blur radius begins with a maximum available blur radius and decreases with increasing distance from original border of the user interface. For example, in an embodiment, blur radius is decreased from 80 pixels to 40 pixels. In an embodiment, blur radius is determined as a non-linear
function of pixel distance from the original border. An exemplary such non-linear function is an exponential
function. In another embodiment, blur radius is determined as a linear function of pixel distance from the original border. Other functions can be used to determine blur radius as would be apparent to those skilled in the art.
The method of figure 7 can be executed in software on a processor 107. As described above, processor 107 can be located in a set top box 106 of Figure 1 or in a device displaying the three-dimensional image or video. Processor 107 can be any processor that can be configured with software programmed to execute the operations described herein, for example, with respect to Figure 7. An exemplary such
processor is the PNX85500 available from Trident Microsystems of Santa Clara, California.
In other embodiments, determination step 706 is not required. For example, in an embodiment, processor 107 is preconfigured to implement a user interface having either an opaque
background, a semi-transparent background, or a fully
transparent background. In such a case, only the appropriate prong of Figure 7 is required. For example, if processor 107 implements a user interface having only an opaque background, only steps 702, 704, and 708 of Figure 7 are required. If processor 107 implements a user interface having only a semi- transparent background, only step 702, 704, 710, and 712 are required. If processor 107 implements a user interface having only a fully transparent background, only step 702, 704, 714, and 716 are required.
The foregoing disclosure of the preferred embodiments of the present invention has been presented for purposes of
illustration and description. It is not intended to be exhaustive or to limit the invention to the precise forms disclosed. Many variations and modifications of the
embodiments described herein will be apparent to one of ordinary skill in the art in light of the above disclosure. The scope of the invention is to be defined only by the claims appended hereto, and by their equivalents.
Further, in describing representative embodiments of the present invention, the specification may have presented the method and/or process of the present invention as a
particular sequence of steps. However, to the extent that the method or process does not rely on the particular order of steps set forth herein, the method or process should not be limited to the particular sequence of steps described. As one of ordinary skill in the art would appreciate, other sequences of steps may be possible. Therefore, the
particular order of the steps set forth in the specification should not be construed as limitations on the claims. In addition, the claims directed to the method and/or process of the present invention should not be limited to the
performance of their steps in the order written, and one skilled in the art can readily appreciate that the sequences may be varied and still remain within the spirit and scope of the present invention.

Claims

1. A system to present a user interface in a three-dimensional display, comprising:
a device having a display to display a three-dimensional video or image; and
a processor configured to:
cause a user interface having a background to be presented on the display;
define an extended portion of the user interface
background; and
perform graphical processing in the extended portion of the user interface background.
2. The system of claim 1, wherein the user interface
background is opaque, and wherein the graphical processing comprises blending the extended portion of the user
interface background with a portion of the video or image underlying the extended portion.
3. The system of claim 2, wherein the blending comprises
varying an alpha value that controls transparency of the blending .
4. The system of claim 2, wherein the blending comprises
decreasing an alpha value that controls transparency of the blending as distance from an original border of the user interface background increases.
5. The system of claim 2, wherein the blending comprises
decreasing linearly an alpha value that controls transparency of the blending as distance from an original border of the user interface background increases.
6. The system of claim 2, wherein the blending comprises
decreasing non-linearly an alpha value that controls transparency of the blending as distance from an original border of the user interface background increases.
7. The system of claim 2, wherein the blending comprises
decreasing exponentially an alpha value that controls transparency of the blending as distance from an original border of the user interface background increases.
8. The system of claim 1, wherein the background of the user interface is semi-transparent and wherein the processor causes content associated with the user interface to appear as projected out of the screen.
9. The system of claim 8, wherein the graphical processing
comprises blending the extended portion of the user
interface background with a portion of the video or image underlying the extended portion.
10. The system of claim 9, wherein the blending comprises
varying an alpha value that controls transparency of blending .
11. The system of claim 9, wherein the blending comprises
decreasing an alpha value that controls transparency of the blending as distance from an original border of the user interface background increases.
12. The system of claim 9, wherein the blending comprises decreasing linearly an alpha value that controls
transparency of the blending as distance from an original border of the user interface background increases.
13. The system of claim 9, wherein the blending comprises
decreasing non-linearly an alpha value that controls transparency of the blending as distance from an original border of the user interface background increases.
14. The system of claim 9, wherein the blending comprises
decreasing exponentially an alpha value that controls transparency of the blending as distance from an original border of the user interface background increases.
15. The system of claim 1, wherein the user interface
background is fully transparent and the graphical
processing comprises blurring the video or image underlying the user interface background within a region defined by an original border of the user interface background.
16. The system of claim 15, wherein the processor causes
content associated with the user interface background to appear as projected out of the screen.
17. The system of claim 15, wherein the video or image
underlying the extended portion of the user interface background is blurred.
The system of claim 17, wherein a blur radius used in blurring the video or image underlying the extended portion decreases as distance from an original border of the user interface background increases.
The system of claim 18, wherein the processor causes content associated with the user interface to appear projected out of the screen.
The system of claim 17, wherein a blur radius used in blurring the video or image underlying the extended portion decreases linearly as distance from an original border of the user interface background increases.
The system of claim 17, wherein a blur radius used in blurring the video or image underlying the extended portion decreases non-linearly as distance from an original border of the user interface background increases.
The system of claim 17, wherein a blur radius used in blurring the video or image underlying the extended portion decreases exponentially as distance from an original border of the user interface background increases.
23. The system of claim 1, further comprising a set-top box in which the processor resides.
24. The system of claim 1, wherein the device is one of a
television, a portable movie player, a personal digital assistant, a telephone, and a camera.
The system of claim 1, wherein the user interface
graphical overlay.
26. A method for presenting a user interface on a display that displays three-dimensional video or images, comprising: generating a user interface having a background defined by an original background border;
displaying the user interface on the display;
defining an extended portion of the background with an extended border; and
performing graphical processing in the extended portion of the user interface background.
27. The method of claim 26, wherein performing the graphical processing comprises blending the extended portion of the user interface background with a portion of the video or image underlying the extended portion.
28. The method of claim 27, wherein performing the graphical processing comprises varying an alpha value that controls transparency of the blending.
29. The method of claim 27, wherein performing the graphical processing comprises decreasing an alpha value that
controls transparency of the blending as distance from an original border of the user interface background increases.
30. The method of claim 27, wherein performing the graphical processing comprises decreasing linearly an alpha value that controls transparency of the blending as distance from an original border of the user interface background
increases .
The method of claim 27, wherein performing the graphical processing comprises decreasing non-linearly an alpha value that controls transparency of the blending as distance from an original border of the user interface background increases .
The method of claim 27, wherein performing the graphical processing comprises decreasing exponentially an alpha value that controls transparency of the blending as distance from an original border of the user interface background increases.
The method of claim 26, further comprising presenting content associated with the user interface to appear as projected out of the screen.
The method of claim 33, wherein performing the graphical processing comprises blending the extended portion of the video or image underlying the extended portion.
The method of claim 34, wherein performing the graphical processing comprises blending according to a varying alph value that controls transparency of blending.
The method of claim 34, wherein performing the graphical processing comprises blending according to an alpha value that controls transparency of the blending, wherein the alpha value decreases as distance from an original border of the user interface background increases.
37. The method of claim 34, wherein performing the graphical processing comprises blending according to an alpha value that controls transparency of the blending, wherein the alpha value decreases linearly as distance from an original border of the user interface background increases.
The method of claim 34, wherein performing the graphical processing comprises blending according to an alpha value that controls transparency of the blending, wherein the alpha value decreases non-linearly as distance from an original border of the user interface background increases
39. The method of claim 34, wherein performing the graphical processing comprises blending according to an alpha value that controls transparency of the blending, wherein the alpha value decreases exponentially as distance from an original border of the user interface background increases.
40. The method of claim 26, wherein the user interface
background is fully transparent and the graphical
processing comprises blurring the video or image underlying the user interface background within a region defined by an original border of the user interface background.
41. The method of claim 40, further comprising presenting
content associated with the user interface background to appear as projected out of the screen.
42. The method of claim 41, wherein performing the graphical processing comprises blurring the video or image underlying the extended portion of the user interface background.
43. The method of claim 41, wherein performing the graphical processing comprises blurring the video or image underlying the extended portion of the user interface background according to a blur radius that decreases as distance from an original border of the user interface background
increases .
44. The method of claim 41, wherein performing the graphical processing comprises blurring the video or image underlying the extended portion of the user interface background according to a blur radius that decreases linearly as distance from an original border of the user interface background increases.
45. The method of claim 41, wherein performing the graphical processing comprises blurring the video or image underlying the extended portion of the user interface background according to a blur radius that decreases non-linearly as distance from an original border of the user interface background increases.
46. The method of claim 41, wherein performing the graphical processing comprises blurring the video or image underlying the extended portion of the user interface background according to a blur radius that decreases exponentially as distance from an original border of the user interface background increases.
47. The method of claim 42, further comprising presenting
content associated with the user interface to appear as if projected out of the screen.
48. A device to process a three-dimensional video or image, comprising : an input for receiving an image for display as a three dimensional video or image; and
a processor configured to generate a graphical overlay having a foreground portion and a background portion to be displayed in combination with the three dimensional image, wherein the processor generates an extended background portion and performs graphical processing in the extended background portion.
PCT/EP2010/055201 2010-04-20 2010-04-20 System and method to display a user interface in a three-dimensional display WO2011131230A1 (en)

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KR1020127027288A KR20130062907A (en) 2010-04-20 2010-04-20 System and method to display a user interface in a three-dimensional display
JP2013505338A JP2013530413A (en) 2010-04-20 2010-04-20 System and method for displaying a user interface on a three-dimensional display
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