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WO2012056679A1 - Système et dispositif d'affichage d'images 3d - Google Patents

Système et dispositif d'affichage d'images 3d Download PDF

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Publication number
WO2012056679A1
WO2012056679A1 PCT/JP2011/005940 JP2011005940W WO2012056679A1 WO 2012056679 A1 WO2012056679 A1 WO 2012056679A1 JP 2011005940 W JP2011005940 W JP 2011005940W WO 2012056679 A1 WO2012056679 A1 WO 2012056679A1
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WO
WIPO (PCT)
Prior art keywords
image
stereoscopic
stereoscopic image
display device
image display
Prior art date
Application number
PCT/JP2011/005940
Other languages
English (en)
Japanese (ja)
Inventor
大田　恭義
孝夫 桑原
岡田　宏一
Original Assignee
富士フイルム株式会社
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 富士フイルム株式会社 filed Critical 富士フイルム株式会社
Publication of WO2012056679A1 publication Critical patent/WO2012056679A1/fr

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Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/46—Arrangements for interfacing with the operator or the patient
    • A61B6/461—Displaying means of special interest
    • A61B6/466—Displaying means of special interest adapted to display 3D data
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/022—Stereoscopic imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/46—Arrangements for interfacing with the operator or the patient
    • A61B6/461—Displaying means of special interest
    • A61B6/462—Displaying means of special interest characterised by constructional features of the display
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/46—Arrangements for interfacing with the operator or the patient
    • A61B6/461—Displaying means of special interest
    • A61B6/464—Displaying means of special interest involving a plurality of displays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
    • G02B30/25—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type using polarisation techniques

Definitions

  • the present invention relates to a stereoscopic image display system and a stereoscopic image display device that display a stereoscopic image using two images, a right-eye image and a left-eye image.
  • stereoscopic viewing can be performed using parallax by displaying a combination of two images, a right-eye image and a left-eye image.
  • a stereoscopically viewable image hereinafter referred to as a stereoscopic image or a stereo image
  • a stereoscopic image or a stereo image is generated based on a plurality of images having parallax obtained by photographing the same subject from different positions.
  • stereoscopic images is used not only in the fields of digital cameras and televisions, but also in the field of radiographic imaging. That is, the subject is irradiated with radiation from different directions, the radiation transmitted through the subject is detected by the radiation image detector, and a plurality of radiation images having parallax are obtained, and based on these radiation images A stereoscopic image is generated. And by generating a stereoscopic image in this way, a radiographic image with a sense of depth can be observed, and a radiographic image more suitable for diagnosis can be observed. (For example, see Patent Document 1)
  • a stereoscopic image display device for displaying a stereoscopic image as described above, it is provided with two display screens arranged side by side and a half mirror, and displays a right eye image and a left eye image on each display screen.
  • a monitor that displays a stereoscopic image by optically combining a right-eye image and a left-eye image with a half mirror.
  • the display screen in the stereoscopic image display apparatus of this type can be the same as that for displaying a normal image, a normal monitor that has been used by the user up to now can be used as a right-eye image or If one of the left-eye images can be used as a display, a stereoscopic image display system for displaying a stereoscopic image can be constructed with little additional investment. A system is desired.
  • the present invention aims to provide a stereoscopic image display system that displays a stereoscopic image using two images, a right-eye image and a left-eye image, that meets the above-mentioned demand.
  • a stereoscopic image display system is a stereoscopic image display system capable of displaying both a stereoscopic image and a normal image using two images of a right-eye image and a left-eye image.
  • a stereoscopic image display device for displaying one of the left-eye images, a half mirror that optically combines the right-eye image and the left-eye image so as to be viewed as a stereoscopic image, and a stereoscopic image
  • a dual-purpose display device for displaying the other image of the right-eye image or the left-eye image and a normal image, and the half mirror is in the vertical direction of the stereoscopic image display device.
  • the stereoscopic image display device Near the display surface of the stereoscopic image display device from an intermediate position between the display surface of the stereoscopic image display device and the display surface of the dual-purpose display device, with the vertical side of the half mirror as the rotation axis. And it is characterized in that it freely attached to the display device for stereoscopic picture rotated to.
  • the stereoscopic image display system of the present invention includes a half mirror position detecting means for detecting that the half mirror is in the vicinity of the display surface of the stereoscopic image display device, and the half mirror in the vicinity of the display surface of the stereoscopic image display device.
  • display control means for displaying a normal image on the dual-purpose display device.
  • the display resolution of the stereoscopic image display device need not be the same as the display resolution of the dual-purpose display device, and may be lower than the display resolution of the dual-purpose display device.
  • the stereoscopic image display device of the present invention is a stereoscopic image display used for a stereoscopic image display system capable of displaying both a stereoscopic image using a right eye image and a left eye image and a normal image.
  • the half mirror is attached to the edge portion extending in the vertical direction of the image display unit so as to be rotatable about one side in the vertical direction of the half mirror as a rotation axis.
  • a user in a stereoscopic image display system capable of displaying both a stereoscopic image and a normal image using two images of a right-eye image and a left-eye image, a user conventionally uses Can be used as a dual-purpose display device that combines the display of one of the right-eye image and the left-eye image and the normal image.
  • Displays a stereoscopic image display device to which a half mirror that optically synthesizes a right-eye image and a left-eye image so as to be viewed as a stereoscopic image is displayed as the right-eye image or the other of the left-eye images.
  • half mirror position detecting means for detecting that the half mirror is in the vicinity of the display surface of the stereoscopic image display device, and the half mirror in the vicinity of the display surface of the stereoscopic image display device.
  • the dual-purpose display device is provided with a display control means for displaying a normal image, the image displayed on the dual-purpose display device can be automatically switched with the movement of the half mirror.
  • the display resolution of the stereoscopic image display device does not have to be the same as the display resolution of the dual-purpose display device. If the display resolution is lower than that of the dual-purpose display device, the cost of the stereoscopic image display device can be reduced. it can.
  • a breast imaging and display system has conventionally been provided with two display devices for displaying normal images, and displaying a right breast radiation image and a left breast radiation image on a dedicated display device. ing.
  • two display devices for displaying normal images if a stereoscopic image display device is combined and one of the two display devices is used as a dual-purpose display device. Therefore, it is possible to construct a stereoscopic image display system for easily displaying a stereoscopic image with a small investment.
  • the stereoscopic image display device of the present invention is a stereoscopic image display used for a stereoscopic image display system capable of displaying both a stereoscopic image using a right eye image and a left eye image and a normal image.
  • This half-view image display is provided with a mirror, and the half mirror is attached to the edge portion extending in the vertical direction of the image display unit so as to be rotatable about the vertical side of the half mirror as a rotation axis.
  • Perspective view of the stereoscopic image display system The top view which shows the state at the time of the stereoscopic image display of the said stereoscopic vision image display system
  • FIG. 1 is a schematic configuration diagram of a breast stereoscopic image photographing / displaying system using the stereoscopic image displaying system of the present embodiment
  • FIG. 2 is a diagram illustrating an arm portion of the breast stereoscopic image photographing / displaying system shown in FIG.
  • FIG. 3 is a block diagram showing a schematic configuration inside the computer of the stereoscopic image capturing and displaying system for breast shown in FIG.
  • a breast stereoscopic imaging and displaying system 1 includes a breast imaging apparatus 10, a computer 8 connected to the breast imaging apparatus 10, and a stereoscopic connected to the computer 8.
  • a visual image display system 40 and an input unit 7 are provided.
  • the mammography apparatus 10 includes a base 11, a rotary shaft 12 that can move in the vertical direction (Z direction) with respect to the base 11, and can rotate.
  • the arm part 13 connected with the base 11 is provided.
  • FIG. 2 shows the arm 13 viewed from the right direction in FIG.
  • the arm section 13 has an alphabet C shape, and a radiation table 16 is attached to one end of the arm section 13 so as to face the imaging table 14 at the other end.
  • the rotation and vertical movement of the arm unit 13 are controlled by an arm controller 31 incorporated in the base 11.
  • a radiation image detector 15 such as a flat panel detector and a detector controller 33 that controls reading of a charge signal from the radiation image detector 15.
  • a charge amplifier that converts the charge signal read from the radiation image detector 15 into a voltage signal
  • a correlated double sampling circuit that samples the voltage signal output from the charge amplifier
  • a circuit board provided with an AD conversion unit for converting a voltage signal into a digital signal is also installed.
  • the photographing table 14 is configured to be rotatable with respect to the arm unit 13, and even when the arm unit 13 rotates with respect to the base 11, the direction of the photographing table 14 is fixed to the base 11. can do.
  • the radiation image detector 15 can repeatedly perform recording and reading of a radiation image, and may use a so-called direct type radiation image detector that directly receives radiation and generates charges. Alternatively, a so-called indirect radiation image detector that converts radiation once into visible light and converts the visible light into a charge signal may be used.
  • a radiation image signal readout method a radiation image signal is read out by turning on / off a TFT (thin film transistor) switch, or by irradiating reading light. It is desirable to use a so-called optical readout system from which a radiation image signal is read out, but the present invention is not limited to this, and other systems may be used.
  • a radiation source 17 and a radiation source controller 32 are accommodated in the radiation irradiation unit 16.
  • the radiation source controller 32 controls the timing of irradiating radiation from the radiation source 17 and the radiation generation conditions (tube current, tube voltage, time, etc.) in the radiation source 17.
  • a compression plate 18 that is disposed above the imaging table 14 and presses and compresses the breast M, a support portion 20 that supports the compression plate 18, and a support portion 20 that extends in the vertical direction.
  • a moving mechanism 19 for moving in the (Z direction) is provided. The position of the compression plate 18 and the compression pressure are controlled by the compression plate controller 34.
  • the computer 8 includes a central processing unit (CPU), a storage device such as a semiconductor memory, a hard disk, and an SSD.
  • the control unit 8a, the data storage unit 8b, and the image processing unit shown in FIG. Part 8c is configured.
  • the controller 8a outputs predetermined control signals to the various controllers 31 to 34 to control the entire system. A specific control method will be described in detail later.
  • the data storage unit 8b stores radiation image data and the like for each imaging angle acquired by the radiation image detector 15.
  • the image processing unit 8c is for performing various image processing.
  • the input unit 7 is composed of a pointing device such as a keyboard and a mouse, for example, and is used to accept input of a movement operation of a three-dimensional cursor, shooting conditions, operation instructions, and the like.
  • FIG. 4 is a perspective view of the stereoscopic image display system of the present embodiment
  • FIG. 5 is a top view showing a state of the stereoscopic image display system when displaying a stereoscopic image
  • FIG. 6 is a normal view of the stereoscopic image display device. It is a top view which shows the state at the time of image display.
  • the stereoscopic image display system 40 can display both a stereoscopic image and a normal image using two images of a right eye image and a left eye image.
  • a second monitor 42, and a stereoscopic monitor 43 to which a half mirror 44 that optically synthesizes the right-eye image and the left-eye image so as to be seen as a stereoscopic image is attached.
  • the first monitor 41, the second monitor 42, and the stereoscopic viewing monitor 43 are each independently configured and are individually connected to the computer 8.
  • an image capturing and displaying system for breasts is provided with two monitors, and displays a right breast radiation image and a left breast radiation image on dedicated monitors.
  • two conventional monitors can be used as the first monitor 41 and the second monitor 42 of the stereoscopic image display system 40.
  • the first monitor 41 among them is used as a dual-purpose display device for displaying a left-eye image and a normal image constituting a stereoscopic image.
  • the stereoscopic monitor 43 is for displaying a right-eye image that constitutes a stereoscopic image. As shown in FIG. 5, the stereoscopic monitor 43 is positioned on the right side of the first monitor 41 with the display surface 41 a of the first monitor 41. It is arranged at a position where the angle formed with the display surface 43a of the visual monitor 43 is less than 180 °. The angle is not particularly limited as long as it is less than 180 °, but is preferably about 80 ° to 120 °, and most preferably 90 °.
  • the display resolution of the stereoscopic monitor 43 is preferably the same as the display resolution of the dual-purpose display device. However, even when the display resolution of the stereoscopic monitor 43 and the display resolution of the dual-purpose display device are different, stereoscopic display is possible. Since it can be done, it is not necessarily the same. For example, if the display resolution is lower than that of the dual-purpose display device, the cost of the stereoscopic monitor 43 can be reduced.
  • a sensor (not shown) that detects that the half mirror 44 is in the vicinity of the display surface 43 a of the stereoscopic monitor 43 is provided in the hinge 45, and the half mirror 44 displays on the stereoscopic monitor 43 by this sensor. When it is detected that it is in the vicinity of the surface 43a, the fact is notified to the computer 8 from the sensor.
  • a driver (not shown) that displays a normal image on the first monitor 41 and the second monitor 42 when the sensor detects that the half mirror 44 is in the vicinity of the display surface 43a. Control means) is installed.
  • the polarization direction of the display light in the stereoscopic monitor 43 (for right-eye image display) is configured to be orthogonal to the polarization direction of the display light in the first monitor 41 (for left-eye image display).
  • the user wears polarizing glasses having a right-eye polarizing lens for observing the right-eye image and a left-eye polarizing lens for observing the left-eye image, and observes the left-eye image and the right-eye image with the left and right eyes, respectively. Visual images can be observed.
  • the half mirror 44 when displaying a stereoscopic image, the half mirror 44 is placed between the display surface 41a of the first monitor 41 and the display surface 43a of the stereoscopic monitor 43 as shown in FIG. Move to be located at.
  • the half mirror 44 may be moved manually by the user, or an input unit such as a switch for receiving an instruction input for stereoscopic image display is provided in the stereoscopic monitor 43, and an instruction from the input unit is provided.
  • the image may be automatically moved based on the image data, or may be automatically moved based on the radiographic image signal or the control signal input from the computer 8 to the stereoscopic monitor 43.
  • Observation of the stereoscopic image displayed on the stereoscopic image display system 40 can be performed from either the right side or the left side in FIG. 5, but here, the mechanism of the stereoscopic image display will be described as observing from the right side. .
  • FIG. 5 when a stereoscopic image is observed from the right side of the stereoscopic image display system 40, the right-eye image displayed on the display surface 43 a of the stereoscopic monitor 43 is reflected by the half mirror 44, and the first The left-eye image displayed on the display surface 41a of the monitor 41 is transmitted through the half mirror 44.
  • the right-eye image and the left-eye image are optically combined and displayed as a stereoscopic image.
  • the same stereoscopic image as that when observing the stereoscopic image from the right side is displayed only by reversing the reflected image and the transmitted image. Is done.
  • the right-eye image is displayed on the stereoscopic monitor 43 disposed on the right side
  • the left-eye image is displayed on the first monitor 41 disposed on the left side.
  • the left-eye image and the first monitor are displayed on the stereoscopic monitor 43. Even if the image for the right eye is displayed on 41, the stereoscopic image can be displayed in exactly the same way.
  • the movement of the half mirror 44 may be manually performed by the user, or an input unit such as a switch for receiving an instruction input for normal image display is provided in the stereoscopic monitor 43, and based on an instruction from the input unit. It may be automatically moved, or may be automatically moved based on a radiographic image signal or a control signal input from the computer 8 to the stereoscopic monitor 43.
  • the breast M is installed on the imaging table 14, and the breast M is compressed by the compression plate 18 with a predetermined pressure.
  • the control unit 8 a outputs information about the convergence angle ⁇ and the imaging angle ⁇ ′ constituting the convergence angle ⁇ to the arm controller 31.
  • ⁇ 4 ° is set as information on the convergence angle ⁇ at this time
  • the present invention is not limited to this, and the photographer can set an arbitrary convergence angle ⁇ at the input unit 7.
  • the arm unit 13 rotates to a position of + 2 °.
  • the control unit 8a outputs a control signal to the radiation source controller 32 and the detector controller 33 so as to perform radiation irradiation and readout of the radiation image signal.
  • radiation is emitted from the radiation source 17, and a radiation image obtained by photographing the breast M from the direction in which the imaging angle ⁇ ′ is + 2 ° is detected by the radiation detector 15. Is read and stored in the data storage unit 8b of the computer 8.
  • a control signal that outputs an imaging angle ⁇ ′ in which the arm unit 13 is inclined by ⁇ 2 ° with respect to a direction perpendicular to the detection surface 15a is output.
  • the arm unit 13 rotates to a position of -2 °.
  • the control unit 8a outputs a control signal to the radiation source controller 32 and the detector controller 33 so as to perform radiation irradiation and readout of the radiation image signal.
  • radiation is emitted from the radiation source 17, and a radiation image obtained by photographing the breast M from the direction in which the imaging angle ⁇ ′ is ⁇ 2 ° is detected by the radiation detector 15.
  • the signal is read out and stored in the data storage unit 8b of the computer 8.
  • the half mirror 44 when the half mirror 44 is moved to the display surface 43 a of the stereoscopic monitor 43, the half mirror 44 is near the display surface 43 a of the stereoscopic monitor 43 by a sensor (not shown) in the hinge 45. Is detected, and this is notified from the sensor to the computer 8.
  • the control unit 8a of the computer 8 Upon receiving this notification, the control unit 8a of the computer 8 displays a normal image on the first monitor 41 and the second monitor 42.
  • the normal image to be displayed here is a two-dimensional image, including a two-dimensional image for observing the right-eye radiographic image and the left-eye radiographic image individually, and what kind of image is displayed based on an instruction from the user. May be.
  • the present invention is not limited to the above embodiment.
  • the half mirror 44 is attached to the stereoscopic monitor 43 (stereoscopic image display device).
  • the position may be the right side edge instead of the left side edge.
  • the stereoscopic monitor 43 may be disposed on the left side of a conventional monitor (combined display device).
  • the size, aspect ratio, and display resolution of the display surface 43a of the stereoscopic monitor 43 (stereoscopic image display device), and the size, aspect ratio, and display of the display surface of a conventional monitor (combined display device).
  • the resolution is not necessarily the same.
  • the display resolution (for example, a dual-purpose display device) of a conventional monitor 46 is compared with the display resolution (for example, 1600 ⁇ 1200 dots) of the stereoscopic monitor 43 (stereoscopic image display device).
  • 3200 ⁇ 1200 dots) is horizontally long, when displaying a stereoscopic image, the right-eye image is displayed on the stereoscopic monitor 43 (stereoscopic image display device), and the conventional monitor 46 (combined display device) is displayed.
  • the left-eye image is displayed using only the area corresponding to the stereoscopic monitor 43, that is, the right half of the display area (1600 ⁇ 1200 dots from the right side), the stereoscopic image is displayed without any problem.
  • a visual image can be displayed.
  • the attachment of the half mirror is not limited to being performed via a hinge, but from an intermediate position between the display surface of the stereoscopic image display device and the display surface of the dual-purpose display device with one side in the vertical direction of the half mirror as a rotation axis. Any mechanism that can rotate the half mirror to the vicinity of the display surface of the stereoscopic image display device may be used.
  • the present invention is limited to the stereoscopic image display system for breasts. Instead, it can be combined with any system, for example, a radiographic imaging device that images the chest, head, and the like.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • High Energy & Nuclear Physics (AREA)
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  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

[Problème] Permette l'utilisation d'un moniteur normal, jusqu'à maintenant utilisé par un utilisateur, comme un moniteur à usage combiné pour l'affichage d'une image de l'oeil droit ou d'une image de l'oeil gauche dans un système d'affichage d'images 3D pour afficher une image 3D à l'aide de deux images constituées d'une image de l'oeil droit et d'une image de l'oeil gauche. [Solution] Utiliser un premier moniteur (41), qui a été utilisé par l'utilisateur, pour afficher une image de l'oeil gauche et également pour afficher une image normale, positionner un moniteur 3D (43) du côté droit du premier moniteur (41), auquel un miroir semi-transparent (44) est fixé, et utiliser le moniteur 3D (43) pour afficher l'image de l'oeil droit.
PCT/JP2011/005940 2010-10-29 2011-10-24 Système et dispositif d'affichage d'images 3d WO2012056679A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010-244430 2010-10-29
JP2010244430A JP2012098402A (ja) 2010-10-29 2010-10-29 立体視画像表示システムおよび立体視画像用表示装置

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WO2012056679A1 true WO2012056679A1 (fr) 2012-05-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103957803A (zh) * 2012-11-20 2014-07-30 株式会社东芝 X射线诊断装置、医用图像处理装置、图像处理装置、x射线诊断装置控制程序、医用图像处理程序、以及图像处理程序

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005062784A (ja) * 2003-08-08 2005-03-10 Shoji Odagiri 二個のデジタルカメラを左右対称に結合した折りたたみ式立体カメラ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005062784A (ja) * 2003-08-08 2005-03-10 Shoji Odagiri 二個のデジタルカメラを左右対称に結合した折りたたみ式立体カメラ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103957803A (zh) * 2012-11-20 2014-07-30 株式会社东芝 X射线诊断装置、医用图像处理装置、图像处理装置、x射线诊断装置控制程序、医用图像处理程序、以及图像处理程序

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