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WO2016086492A1 - Procédé de présentation de vidéo immersive pour un terminal mobile intelligent - Google Patents

Procédé de présentation de vidéo immersive pour un terminal mobile intelligent Download PDF

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Publication number
WO2016086492A1
WO2016086492A1 PCT/CN2015/000222 CN2015000222W WO2016086492A1 WO 2016086492 A1 WO2016086492 A1 WO 2016086492A1 CN 2015000222 W CN2015000222 W CN 2015000222W WO 2016086492 A1 WO2016086492 A1 WO 2016086492A1
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WO
WIPO (PCT)
Prior art keywords
mobile terminal
smart mobile
screen
video
frame image
Prior art date
Application number
PCT/CN2015/000222
Other languages
English (en)
Chinese (zh)
Inventor
钱晓炯
Original Assignee
钱晓炯
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 钱晓炯 filed Critical 钱晓炯
Publication of WO2016086492A1 publication Critical patent/WO2016086492A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
    • 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]
    • H04N21/40—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
    • H04N21/4318—Generation of visual interfaces for content selection or interaction; Content or additional data rendering by altering the content in the rendering process, e.g. blanking, blurring or masking an image region
    • 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
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
    • 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
    • H04N21/485—End-user interface for client configuration
    • H04N21/4858—End-user interface for client configuration for modifying screen layout parameters, e.g. fonts, size of the windows

Definitions

  • the invention relates to an immersive video presentation method for an intelligent mobile terminal.
  • the video viewed by the user directly displays the original video file in frame by frame.
  • Each frame is actually a two-dimensional plane photo, the sequence of photos presented by the user, and when shooting.
  • the sequence of photos is exactly the same, so the existing way of watching videos is passive (that is, what is determined by the person who shoots, the person who is watching cannot control), the area of interest cannot be selected, and the lack of immersion. In fact, the viewer's power does not have the initiative to choose.
  • the technical problem to be solved by the present invention is to provide an immersive video presentation method for an intelligent mobile terminal having an active control feeling immersive feeling for the above prior art.
  • an immersive video presentation method for an intelligent mobile terminal characterized in that: when the smart mobile terminal plays a video file, detecting whether the smart mobile terminal screen has movement or/and rotation
  • the direction of movement or / and rotation is defined by three directions: x, y, and z.
  • the x, y, and z directions are defined by the center point of the intelligent mobile terminal placed horizontally as the reference system coordinate origin, and the x direction is The horizontal direction of the intelligent mobile terminal is right; the y direction is the horizontal and vertical direction of the intelligent mobile terminal, the front is positive; the z direction is the spatial vertical direction of the intelligent mobile terminal, the direction of the sky is positive, and the direction of the earth is negative;
  • the screen of the smart mobile terminal moves forward on the z-axis, the currently-played video frame image is enlarged, and then the enlarged video frame image is displayed on the screen of the smart mobile terminal;
  • the smart mobile terminal screen moves backward on the z-axis, the currently played video frame image is reduced, and then the reduced video frame image is displayed on the screen of the smart mobile terminal;
  • the smart mobile terminal screen moves to the left on the x-axis, the currently played video frame image is translated to the right, and then the translated video frame image is displayed on the screen of the smart mobile terminal;
  • the smart mobile terminal screen moves to the right on the x-axis, the currently played video frame image is translated to the left, and then the translated video frame image is displayed on the screen of the smart mobile terminal;
  • the smart mobile terminal screen moves upward on the y-axis, the currently played video frame image is translated downward, and then the panned video frame image is displayed on the screen of the smart mobile terminal;
  • the smart mobile terminal screen moves downward on the y-axis, the currently played video frame image is translated upward, and then the translated video frame image is displayed on the screen of the smart mobile terminal;
  • the screen of the smart mobile terminal rotates clockwise with the y direction as the axis, the currently played video frame image is translated to the right, and then the translated video frame image is displayed on the screen of the smart mobile terminal;
  • the screen of the smart mobile terminal rotates counterclockwise with the y direction as the axis, the currently played video frame image is translated to the left, and then the translated video frame map is displayed on the screen of the smart mobile terminal.
  • an acceleration sensor or/and a gyroscope that is capable of sensing the movement or/and tilt of the smart mobile terminal that is provided in the smart mobile terminal is turned on, and the acceleration sensor or/and the gyroscope are turned on.
  • the data collected by the instrument detects whether the screen of the smart mobile terminal moves up and down, left and right, back and forth, or/and rotates.
  • the smart mobile terminal still has pan or rotation, and continues to slide some distance portions while leaving the background of the video screen displayed in smart mobile On the screen of the terminal, it seems that there is a kind of movement that hits the bottom.
  • the video file is played by the smart mobile terminal, if the video picture is detected to be jittery, the video picture is offset in the opposite direction when the video is displayed, thereby eliminating the image jitter and making the viewer more comfortable.
  • the invention has the advantages that the viewer feels that the video plane floats under the screen of the mobile phone, and can control the placement position by physical intuition, and the smart mobile terminal moves to realize the up, down, left and right sliding of the video, and the intelligence
  • the mobile terminal moves forward and backward to realize zooming and zooming of the video screen; the movement of the video display screen can be realized without finger touch, and the viewer can actively select the region of interest.
  • FIG. 1A and FIG. 1B are schematic diagrams showing a video presentation method using a mobile phone as an example, FIG. 1A is a schematic diagram of a top view mobile phone, and FIG. 1B is a schematic diagram of a side view mobile phone;
  • FIG. 2A and FIG. 2B are schematic diagrams showing a video presentation method of a horizontal size screen using a mobile phone as an example in the embodiment of the present invention, wherein FIG. 2A is a schematic diagram of reduction to a minimum, and FIG. 2B is a schematic diagram of enlargement to maximum; FIG.
  • FIG. 3B is a schematic diagram of zooming in to a maximum
  • FIG. 4A and FIG. 4B are schematic diagrams showing a perspective distortion of a mobile phone when a mobile phone is rotated as an example of the present invention, wherein FIG. 4A is a schematic diagram of a side view mobile phone, and FIG. 4B is a schematic view of a top view mobile phone;
  • FIG. 5A and FIG. 5B are schematic diagrams showing a movement of a screen when a mobile phone is rotated by using a mobile phone as an example in the embodiment of the present invention, wherein the mobile phone rotates with an animated surface and the picture has no perspective distortion;
  • FIG. 6 is a schematic diagram of a mobile phone as an example when a mobile phone is rotated according to an embodiment of the present invention
  • FIG. 7A, 7B, and 7C are schematic diagrams showing a display when a mobile phone is rotated or translated to the end in the embodiment of the present invention
  • FIG. 8 is a schematic diagram of a state machine using a mobile phone as an example according to an embodiment of the present invention.
  • FIG. 9A, FIG. 9B, and FIG. 9C are schematic diagrams showing a process of removing jitter on a screen by using a mobile phone as an example in the embodiment of the present invention, wherein FIG. 9A is a schematic diagram of a first frame, and FIG. 9B is a schematic diagram of a second frame, FIG. 9C A schematic illustration of the lines in Figures 9A, 9B.
  • the immersive video presentation method of the smart mobile terminal provides an acceleration sensor capable of sensing the movement or/and inclination of the smart mobile terminal provided by the smart mobile terminal when the smart mobile terminal plays the video file.
  • the gyroscope the data collected by the acceleration sensor or/and the gyroscope is used to detect whether the screen of the smart mobile terminal has movement or/and rotation, and the direction of movement or/and rotation is defined by three directions of x, y, and z;
  • the x, y, and z directions are defined as the reference point origin of the intelligent mobile terminal placed horizontally, as shown in Figure 6.
  • the x direction is the horizontal direction of the smart mobile terminal, and the right is positive;
  • the y direction is the horizontal and vertical direction of the smart mobile terminal, and the front is positive;
  • the z direction is the vertical direction of the space of the intelligent mobile terminal, the direction of the sky is positive, and the direction of the earth is negative;
  • the screen of the smart mobile terminal moves forward on the z-axis, the currently-played video frame image is enlarged, and then the enlarged video frame image is displayed on the screen of the smart mobile terminal;
  • the smart mobile terminal screen moves backward on the z-axis, the currently played video frame image is reduced, and then the reduced video frame image is displayed on the screen of the smart mobile terminal;
  • the smart mobile terminal screen moves to the left on the x-axis, the currently played video frame image is translated to the right, and then the translated video frame image is displayed on the screen of the smart mobile terminal;
  • the smart mobile terminal screen moves to the right on the x-axis, the currently played video frame image is translated to the left, and then the translated video frame image is displayed on the screen of the smart mobile terminal;
  • the smart mobile terminal screen moves upward on the y-axis, the currently played video frame image is translated downward, and then the panned video frame image is displayed on the screen of the smart mobile terminal;
  • the smart mobile terminal screen moves downward on the y-axis, the currently played video frame image is translated upward, and then the translated video frame image is displayed on the screen of the smart mobile terminal;
  • the screen of the smart mobile terminal rotates clockwise with the y direction as the axis, the currently played video frame image is translated to the right, and then the translated video frame image is displayed on the screen of the smart mobile terminal;
  • the screen of the smart mobile terminal rotates counterclockwise with the y direction as the axis, the currently played video frame image is translated to the left, and then the translated video frame map is displayed on the screen of the smart mobile terminal.
  • the smart mobile terminal screen is regarded as the observer's eyes to some extent, and the eye has the ability to rotate, move, and stabilize, so the video screen presented on the mobile phone screen can mimic the behavior of the eye, having one The degree of initiative, perceived space and the ability to prevent jitter allow the viewer to feel that the video plane floats below the screen of the mobile phone of the smart mobile terminal, and the spatial position and motion behavior of the video plane relative to the screen simulates the real physical world, thereby realizing a kind of Immersive viewing and control experience.
  • the video picture is viewed as a plane independent of the screen from the screen of the mobile phone, and the plane is visually located at the bottom of the screen.
  • the up and down movement of the mobile phone realizes the enlargement and reduction effect of the video picture;
  • the left and right movement of the video picture is realized by the left and right movement or rotation of the mobile phone;
  • the front and rear movement of the video picture is realized by the back and forth movement of the mobile phone.
  • the degree of enlargement and reduction of the video picture reflects the perceived distance between the picture and the screen of the mobile phone.
  • the amplitude of the slight perspective deformation when the offset should be defined according to the perceived distance.
  • the specific implementation needs to grasp the sensitivity.
  • the video picture is translated in the opposite direction inside the mobile phone; if the mobile phone rotates clockwise in the physical space in the y-axis of FIG. 6, the video screen slides to the right, and if the video screen is rotated counterclockwise, it slides to the left. If you slide to the end, there is still translation or rotation, you should continue to slide a few distances to leave the background of the video picture, the more intense the motion (L in Figure 7A), the background distance of the video picture will be restored to 0 after stopping the motion. ( Figure 7B), it seems that there is a kind of movement that hits the bottom. If the video picture is reduced to the minimum state (as shown in Figure 2A), there should also be a slight dynamic response to the translation or rotation of the phone. As shown in Figure 7C, the more intense the motion, the more obvious the response.
  • the video picture is shifted in the opposite direction when the video is displayed (see Fig. 9A), thereby eliminating jitter.
  • Set the maximum offset range to avoid the real motion as jitter. If the video of the previous frame is already in the offset state, the offset of the current frame is detected in the same direction. If the offset distance exceeds the preset maximum range, the offset direction is unchanged, and the distance is up to the maximum range (see FIG. 9B). If the next frame is required to be offset in other directions to eliminate the jitter, the normal operation is performed.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Telephone Function (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Controls And Circuits For Display Device (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

L'invention concerne un procédé de présentation de vidéo immersive pour un terminal mobile intelligent. Lorsqu'un terminal mobile intelligent lit un fichier vidéo, il est détecté si un écran de terminal mobile intelligent se déplace et/ou tourne, et s'il se déplace et/ou tourne, un traitement de zoom arrière ou de zoom avant ou de déplacement vers la droite ou de déplacement vers la gauche ou de déplacement vers le haut ou de déplacement vers le bas est réalisé sur une image de trame vidéo lue actuellement, et l'image de trame vidéo traitée est ensuite affichée sur l'écran de terminal mobile intelligent. Par comparaison avec l'état de la technique, dans la présente invention, un observateur peut sentir qu'un plan vidéo flotte au-dessous d'un écran de téléphone mobile, et un emplacement de positionnement de celui-ci peut être commandé par l'intermédiaire d'une intuition physique ; un terminal mobile intelligent se déplace pour mettre en œuvre le glissement vers le haut/vers le bas/vers la gauche/vers la droite d'une vidéo ; le terminal mobile intelligent se déplace vers l'avant et vers l'arrière pour mettre en œuvre le zoom avant/zoom arrière d'une image vidéo ; le déplacement d'une image d'affichage vidéo peut être mis en œuvre sans commande de toucher au doigt ; et l'observateur peut sélectionner de manière active une région d'intérêt.
PCT/CN2015/000222 2014-12-05 2015-03-31 Procédé de présentation de vidéo immersive pour un terminal mobile intelligent WO2016086492A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410739611.8A CN104394452A (zh) 2014-12-05 2014-12-05 一种智能移动终端的浸入式视频呈现方法
CN201410739611.8 2014-12-05

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CN104394452A (zh) * 2014-12-05 2015-03-04 宁波菊风系统软件有限公司 一种智能移动终端的浸入式视频呈现方法

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CN110418059A (zh) * 2019-07-30 2019-11-05 联想(北京)有限公司 应用于电子设备的图像处理方法、装置、电子设备、介质

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