WO2012056677A1 - Dispositif d'affichage d'image tridimensionnelle - Google Patents

Dispositif d'affichage d'image tridimensionnelle Download PDF

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Publication number
WO2012056677A1
WO2012056677A1 PCT/JP2011/005936 JP2011005936W WO2012056677A1 WO 2012056677 A1 WO2012056677 A1 WO 2012056677A1 JP 2011005936 W JP2011005936 W JP 2011005936W WO 2012056677 A1 WO2012056677 A1 WO 2012056677A1
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WO
WIPO (PCT)
Prior art keywords
eye image
image display
display means
image
half mirror
Prior art date
Application number
PCT/JP2011/005936
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English (en)
Japanese (ja)
Inventor
孝夫 桑原
大田　恭義
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 WO2012056677A1 publication Critical patent/WO2012056677A1/fr

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    • 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
    • A61B6/02—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
    • 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
    • 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 device that displays 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 synthesizing a right-eye image and a left-eye image with a half mirror.
  • the display screen in the stereoscopic image display apparatus of such a system can be the same as that for displaying a normal image, the display of the stereoscopic image and the display of the normal image can be combined.
  • the half mirror interferes with display during normal image display.
  • the present invention aims to provide a stereoscopic image display device that displays a stereoscopic image using two images, a right-eye image and a left-eye image, in which the above-described problems are solved.
  • a stereoscopic image display device is a stereoscopic image display device capable of displaying both a stereoscopic image and a normal image using two images of a right-eye image and a left-eye image.
  • the right-eye image display means for displaying the normal image and the right-eye image display means are arranged side by side, and the left-eye image display means for displaying the left-eye image and the normal image, and the right-eye image and the left-eye image are stereoscopically viewed.
  • the stereoscopic image display apparatus of the present invention may be provided with only one half mirror, or may be provided with two half mirrors, and the half mirror for the right eye image display means may include a display surface of the right eye image display means.
  • the half mirror for the left-eye image display means and the display surface of the right-eye image display means are held so as to be movable from an intermediate position with respect to the display surface of the left-eye image display means to the vicinity of the display surface of the right-eye image display means. It may be held so as to be movable from an intermediate position with respect to the display surface of the left-eye image display means to the vicinity of the display surface of the left-eye image display means.
  • half mirror position detecting means for detecting that the half mirror is in the vicinity of the display surface of the right-eye image display means and / or the display surface of the left-eye image display means, and the half mirror is the display surface of the right-eye image display means It is preferable to include display control means for increasing the display brightness of the image in the image display means having a half mirror near the display surface when in the vicinity and / or in the vicinity of the display surface of the left-eye image display means.
  • the stereoscopic image display device of the present invention in the stereoscopic image display device capable of displaying both a stereoscopic image and a normal image using two images of a right eye image and a left eye image,
  • the right-eye image display means for displaying the normal image and the right-eye image display means are arranged side by side, and the left-eye image display means for displaying the left-eye image and the normal image, and the right-eye image and the left-eye image are stereoscopically viewed.
  • the half mirror when the half mirror is moved to the vicinity of the display surface of the right-eye image display means and / or the display surface of the left-eye image display means, the right-eye image and the left-eye image are optically Since only the image that is not synthesized and displayed on the image display means close to the half mirror is transparently displayed, the stereoscopic image display and the normal image display can be combined.
  • the image displayed on the image display means close to the half mirror during normal image display is observed through the half mirror. It is displayed darker than the image displayed on the image display means. Therefore, two half mirrors are provided, and the half mirror for the right-eye image display means is in the vicinity of the display surface of the right-eye image display means from an intermediate position between the display face of the right-eye image display means and the display face of the left-eye image display means. The half mirror for the left-eye image display means is in the vicinity of the display surface of the left-eye image display means from an intermediate position between the display face of the right-eye image display means and the display face of the left-eye image display means. If the image is held so as to be movable, the state of the appearance of the images displayed on both the image display means during normal image display can be made substantially equal.
  • half mirror position detecting means for detecting that the half mirror is in the vicinity of the display surface of the right-eye image display means and / or the display surface of the left-eye image display means, and the half mirror is the display surface of the right-eye image display means If it is provided with a display control means for increasing the display brightness of the image in the image display means having a half mirror in the vicinity of the display surface when in the vicinity and / or in the vicinity of the display surface of the left-eye image display means, the half mirror It is possible to display an easy-to-see image that compensates for the decrease in luminance due to the above.
  • FIG. 1 is a schematic configuration diagram of a breast stereoscopic image photographing display system using a stereoscopic image display apparatus according to a first embodiment of the present invention.
  • the figure which looked at the arm part of the stereoscopic vision image photographing display system for breasts shown in FIG. 1 from the right direction of FIG. 1 is a block diagram showing a schematic configuration inside a computer of the breast stereoscopic image capturing and displaying system shown in FIG.
  • Perspective view of the stereoscopic image display device The top view which shows the state at the time of the stereoscopic image display of the said stereoscopic vision image display apparatus.
  • the top view which shows the state at the time of the normal image display of the said stereoscopic vision image display apparatus The top view which shows the state at the time of the stereoscopic image display of the stereoscopic image display apparatus of the 2nd Embodiment of this invention.
  • FIG. 1 is a schematic configuration diagram of a breast stereoscopic image photographing / displaying system using the stereoscopic image display device of the present embodiment
  • FIG. 3 is a block diagram showing a schematic configuration inside a computer of the breast stereoscopic image photographing display system shown in FIG. 1
  • FIG. 4 is a perspective view of the stereoscopic image display device
  • FIG. 6 is a top view showing a state of the stereoscopic image display device when displaying a stereoscopic image
  • FIG. 1 is a schematic configuration diagram of a breast stereoscopic image photographing / displaying system using the stereoscopic image display device of the present embodiment
  • FIG. 3 is a block diagram showing a schematic configuration inside a computer of the breast stereoscopic image photographing display system shown in FIG. 1
  • FIG. 4 is a perspective view of the stereoscopic image display device
  • FIG. FIG. 6 is a top view showing a state of the stereoscopic image display device when displaying a stere
  • a breast stereoscopic imaging and displaying system 1 includes a breast imaging device 10, a computer 8 connected to the breast imaging device 10, and a monitor 9 connected to the computer 8. (Stereoscopic image display device) 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.
  • the monitor 9 is capable of displaying both a stereoscopic image and a normal image using two images of a right eye image and a left eye image. As shown in FIG. 4, the right eye image and the normal image are displayed.
  • 42 (dotted line display in the figure) is rotatably connected by a hinge 43, and a stand 44 is attached to the left-eye image display unit 41.
  • a sensor (not shown) that detects that the half mirror 42 is in the vicinity of the display surface 40 a of the right-eye image display unit 40 or the display surface 41 a of the left-eye image display unit 41 is provided in the hinge 43.
  • a display (not shown) that increases the display brightness of the image when the sensor detects that the half mirror 42 is in the vicinity of the display surface. Control means are provided.
  • the display light in the right-eye image display unit 40 and the left-eye image display unit 41 is configured to be polarized light orthogonal to each other.
  • 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 angle formed by the display surface 40a of the right-eye image display unit 40 and the display surface 41a of the left-eye image display unit 41 is less than 180 °.
  • the right-eye image display unit 40 is moved so that the half-eye mirror 42 is moved, and the half mirror 42 is moved so as to be positioned between the display surface 40a of the right-eye image display unit 40 and the display surface 41a of the left-eye image display unit 41. .
  • the angle formed between the display surface 40a of the right-eye image display unit 40 and the display surface 41a of the left-eye image display unit 41 during stereoscopic image display is not particularly limited as long as it is less than 180 °.
  • the angle is preferably about 120 °, and most preferably 90 °.
  • the movement of the right-eye image display unit 40 and the half mirror 42 may be manually performed by the user, or an input unit such as a switch for receiving a stereoscopic image display instruction input is provided. Or a radiographic image signal input to the monitor 9 or when it is detected that a signal for a stereoscopic image is input based on incidental information of the radiographic image signal or the like. Alternatively, it may be moved automatically.
  • the observation of the stereoscopic image displayed on the monitor 9 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 monitor 9, the right-eye image displayed on the display surface 40 a of the right-eye image display unit 40 is reflected by the half mirror 42, and the left-eye image display unit The left-eye image displayed on the display surface 41a of 41 passes through the half mirror 42, and as a result, the right-eye image and the left-eye image are optically combined and displayed as a stereoscopic image.
  • the half mirror 42 When displaying a normal image on the monitor 9, as shown in FIG. 6, the half mirror 42 is moved to the vicinity of the display surface 40 a of the right-eye image display unit 40 (or the vicinity of the display surface 41 a of the left-eye image display unit 41). Move.
  • the normal image includes not only a two-dimensional image other than the right-eye image and the left-eye image but also a case where the right-eye image and the left-eye image are individually observed as a two-dimensional image instead of a stereoscopic image.
  • a sensor (not shown) in the hinge 43 detects that the half mirror 42 is in the vicinity of the display surface 40a of the right-eye image display unit 40, a display control unit (not shown) in the right-eye image display unit 40. Thus, processing for increasing the display brightness of the image displayed on the display surface 40a is performed.
  • the luminance when the light passes through the half mirror 42, the luminance is approximately halved. Therefore, if the display luminance is increased by about twice, the luminance can be the same as that when the half mirror 42 is not transmitted, but this value is limited. Instead, any mode may be used.
  • the half mirror 42 may be moved manually by the user, or provided with an input unit such as a switch for receiving an instruction input for normal image display, and automatically moved based on the instruction from the input unit. Alternatively, it may be automatically moved when it is detected that a normal image signal has been input based on the radiation image signal input to the monitor 9 or incidental information of the radiation image signal. May be.
  • 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 controller 31 receives the information of the imaging angle ⁇ ′ output from the control unit 8a, and the arm controller 31 first uses the arm to capture a radiographic image for the right eye based on the information of the imaging angle ⁇ ′.
  • the controller 13 outputs a control signal with an imaging angle ⁇ ′ that is inclined + 2 ° with respect to a direction perpendicular to the detection surface 15a.
  • 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 right-eye image display unit 40 is set so that the angle formed between the display surface 40a of the right-eye image display unit 40 and the display surface 41a of the left-eye image display unit 41 is less than 180 °. If the half mirror 42 is moved so as to be positioned between the display surface 40a of the right-eye image display unit 40 and the display surface 41a of the left-eye image display unit 41, the stereoscopic image can be observed. Can do.
  • the half mirror 42 is moved to the vicinity of the display surface 40a of the right-eye image display unit 40 (or the vicinity of the display surface 41a of the left-eye image display unit 41), the right-eye image and the left-eye image are displayed.
  • the image can be observed as a two-dimensional image (normal image) individually rather than as a stereoscopic image.
  • an image other than the image for the right eye and the image for the left eye may be displayed.
  • FIG. 7 is a top view showing a state when displaying a stereoscopic image of the stereoscopic image display apparatus of the present embodiment
  • FIG. 8 is a top view showing a state of displaying a stereoscopic image of the stereoscopic image display apparatus of the present embodiment. It is.
  • FIGS. 7 and 8 the same elements as those in FIG. 4 are denoted by the same reference numerals, and description thereof will be omitted unless particularly required.
  • the monitor 9 ′ of the present embodiment is different from the first embodiment in that two half mirrors, a half mirror 45 for the right eye image display unit and a half mirror 46 for the left eye image display unit, are provided. It is different in comparison.
  • the angle formed by the display surface 40a of the right-eye image display unit 40 and the display surface 41a of the left-eye image display unit 41 is 180 °.
  • the right-eye image display unit 40 is moved so as to be less than the distance, and the half mirrors 45 and 46 are positioned between the display surface 40a of the right-eye image display unit 40 and the display surface 41a of the left-eye image display unit 41. Move to.
  • the half mirror 45 is near the display surface 40a of the right-eye image display unit 40, and the half mirror 46 is near the display surface 41a of the left-eye image display unit 41. Move.
  • the state of image display during normal image display can be made the same on the left and right, so that it is possible to provide a monitor with less discomfort for the user.
  • the right-eye image display unit 40 is arranged on the right side and the left-eye image display unit 41 is arranged on the left side in the above embodiment. Even when the right-eye image display unit 40 is arranged on the left side and the left-eye image display unit 41 is arranged on the right side, a stereoscopic image can be displayed in exactly the same manner.
  • the right-eye image display unit 40 and the left-eye image display unit 41 are arranged side by side has been shown as being arranged in the left-right direction, it may be in any form such as the vertical direction.
  • the present invention is limited to a stereoscopic image capturing / displaying system for breasts. Rather, it can be combined with any system.

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Abstract

[Problème] Permettre l'affichage d'une image tridimensionnelle et d'une image normale sur un dispositif d'affichage d'image tridimensionnelle pour afficher une image tridimensionnelle en utilisant une image d'oeil droit et une image d'oeil gauche. [Solution] Un dispositif d'affichage d'image tridimensionnelle est équipé d'une unité d'affichage d'image d'oeil droit (40) pouvant afficher une image d'oeil droit; d'une unité d'affichage d'image d'oeil gauche (41) adjacente sur le plan horizontal à l'unité d'affichage d'image d'oeil droit (40) et pouvant afficher une image d'oeil gauche; et d'un demi-miroir (42) pouvant afficher une image tridimensionnelle par synthèse optique de l'image d'oeil droit et de l'image d'oeil gauche. Le demi-miroir (42) est installé pivotant, au moyen d'une charnière (43), à proximité du centre, entre la surface d'affichage (41a) de l'unité d'affichage d'image d'oeil gauche (41) et à proximité de la surface d'affichage (40a) de l'unité d'affichage d'image d'oeil droit (40), si bien que le demi-miroir (42) peut se déplacer d'un emplacement central situé entre les surfaces d'affichage (40a, 41a) vers le voisinage respectif des surfaces d'affichage (40a, 41a).
PCT/JP2011/005936 2010-10-29 2011-10-24 Dispositif d'affichage d'image tridimensionnelle WO2012056677A1 (fr)

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Application Number Priority Date Filing Date Title
JP2010-244179 2010-10-29
JP2010244179A JP2012099927A (ja) 2010-10-29 2010-10-29 立体視画像表示装置

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WO2012056677A1 true WO2012056677A1 (fr) 2012-05-03

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CN103728826B (zh) * 2013-12-16 2017-04-12 山东鲁信睿浩视觉技术有限公司 一种全自动切换投影立体成像器3d/2d放映模式的控制系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002086595A1 (fr) * 2001-04-23 2002-10-31 Hyo-Seob Kim Visionneuse stereoscopique utilisant deux images completes de deux images plaines
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002086595A1 (fr) * 2001-04-23 2002-10-31 Hyo-Seob Kim Visionneuse stereoscopique utilisant deux images completes de deux images plaines
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

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