WO2004082297A1 - Dispositif de presentation d'images stereoscopiques - Google Patents

Dispositif de presentation d'images stereoscopiques Download PDF

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Publication number
WO2004082297A1
WO2004082297A1 PCT/JP2003/002863 JP0302863W WO2004082297A1 WO 2004082297 A1 WO2004082297 A1 WO 2004082297A1 JP 0302863 W JP0302863 W JP 0302863W WO 2004082297 A1 WO2004082297 A1 WO 2004082297A1
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WO
WIPO (PCT)
Prior art keywords
image
eye
stereoscopic
information
video
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Application number
PCT/JP2003/002863
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English (en)
Japanese (ja)
Inventor
Seijiro Tomita
Original Assignee
Seijiro Tomita
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 Seijiro Tomita filed Critical Seijiro Tomita
Priority to AU2003221346A priority Critical patent/AU2003221346A1/en
Priority to PCT/JP2003/002863 priority patent/WO2004082297A1/fr
Priority to JP2004569333A priority patent/JPWO2004082297A1/ja
Publication of WO2004082297A1 publication Critical patent/WO2004082297A1/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
    • H04N13/398—Synchronisation thereof; Control 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
    • H04N13/128—Adjusting depth or disparity
    • 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
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/32—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using arrays of controllable light sources; using moving apertures or moving light sources

Definitions

  • the present invention relates to a stereoscopic video display device, and more particularly to a stereoscopic video display device capable of changing a stereoscopic degree according to a display screen size when shooting conditions of a stereoscopic image are different.
  • the positional relationship between the stereoscopic image display device and the observer is not always constant, and the observer is not always at the position intended by the content creator, and the observer is shifted from the predetermined observation position of the stereoscopic image device. In this case, a correct stereoscopic image cannot be observed. For this reason, when producing stereoscopic video content, the screen size (display or screen size) to be finally displayed is assumed, and the cross-point of the stereoscopic camera for shooting and the amount of parallax in computer graphics are adjusted. However, once the content has been produced, the stereoscopic effect changes when the screen size of the stereoscopic video display device changes, so it was necessary to recreate the stereoscopic video according to the screen size. Also, when creating a 3D image using CG (Computer Graphics), rendering had to be redone.
  • CG Computer Graphics
  • an object of the present invention is to provide a stereoscopic video display device that can automatically obtain a stereoscopic video with a natural pop-out amount even when video generation conditions and video reproduction conditions are different.
  • the invention according to claim 1 is a stereoscopic video display device that displays different video images to the left and right eyes of an observer to display a stereoscopically visible video, and a stereoscopic video signal including a left-eye video and a right-eye video.
  • a three-dimensional video signal generation circuit for generating a three-dimensional video signal, a display means for displaying a three-dimensional video image, and a drive circuit for driving the display means.
  • Information acquisition means for acquiring image information relating to the stereoscopically visible image, and display device information relating to a display area of the display means; and the left eye image and the right eye image based on the image information and the display device information.
  • the stereoscopic video display device is characterized in that the driving circuit displays a stereoscopic video on the display means based on a stereoscopic video signal output from the stereoscopic video signal generation circuit. According to the present invention, it is possible to obtain a stereoscopic image in which the optimal stereoscopic degree (depth amount) corresponding to the stereoscopic image display device is adjusted.
  • an observer position detecting unit that acquires observation position information regarding a positional relationship between the display screen and the observer
  • a storage unit configured to store display screen size information relating to a display screen size and the observation position information as information relating to a display area of the display unit, wherein the information acquisition unit includes the display screen size information and the observation position from the storage unit. And information.
  • the present invention it is possible to obtain a stereoscopic image in which the optimal stereoscopic degree (depth amount) corresponding to the screen size of the display is adjusted even if the display is replaced.
  • the invention according to claim 3 is characterized in that the observer position detecting means is arranged integrally with the stereoscopic video display device itself.
  • the observer position detecting means there is no need to separately install the observer position detecting means in addition to the main body of the stereoscopic video display device.
  • the invention according to claim 4 is characterized in that the observer position detecting means is arranged at a position distant from the main body of the three-dimensional image display device.
  • an observer position detection means can be arrange
  • the invention according to claim 5 is characterized in that the observer position detecting means includes an ultrasonic transmitter and an ultrasonic receiver.
  • ADVANTAGE OF THE INVENTION According to this invention, it is hard to be influenced by surrounding noise etc. compared with the detection of the observer by other means which uses an ultrasonic wave for the observer position detection means, and can perform accurate detection. It can be carried out.
  • the invention according to claim 6 is the stereoscopic video signal generation circuit according to claims 1 to 5, wherein the information acquiring means is configured to reproduce the stereoscopic video defined in association with the stereoscopic video. Acquisition of suitable screen size information on a suitable screen size and suitable position information on a position up to a display screen suitable for an observer at the time of playback as the video information, and display screen information on a screen size of the stereoscopic video display device. Acquiring the size information and the observation position information as the display device information, and the offset setting unit is configured to perform the offset setting based on the optimal screen size information, the adaptive viewing distance information, the display screen size information, and the observation position information. The offset of the left-eye image and the right-eye image is set to adjust the stereoscopic effect of the displayed image.
  • the present invention even if the screen size of the stereoscopic video display device changes or the viewing distance of the observer changes due to the information related to the reproduction of the stereoscopic video defined in association with the stereoscopic video, these changes occur. It is possible to obtain a stereoscopic image adjusted to the optimal stereoscopic degree (depth amount) corresponding to the image.
  • the invention according to claim 7 is the stereoscopic image display device according to claims 1 to 5, wherein the information acquisition unit is configured to determine an optical axis of a left-eye image camera and a right-eye image defined in association with a stereoscopic image. Camera distance information on the distance from the optical axis of the camera for camera, and cross point information on the distance to the intersection between the optical axis of the left-eye video camera and the optical axis of the right-eye video camera as the video information.
  • the offset setting means sets an offset between a left-eye image and a right-eye image based on the camera distance information and the cross point information, and adjusts a three-dimensional effect of an image displayed on the display means.
  • the present invention it is possible to obtain a stereoscopic image in which the optimal stereoscopic degree (depth amount) corresponding to the screen size is adjusted by using the cross-point information recorded when the stereoscopic image is recorded.
  • the invention according to claim 8 is the stereoscopic video display device according to any one of claims 1 to 7, further comprising an input means for allowing a viewer to input information regarding a stereoscopic effect, wherein the offset is provided.
  • the image setting means sets an offset between a left-eye image and a right-eye image based on the information input to the input means, and sets an image displayed on the display means. The stereoscopic effect of the image is adjusted.
  • the present invention it is possible to obtain a stereoscopic image in which the stereoscopic degree (depth amount) is adjusted according to the viewer's preference.
  • the invention according to claim 9 is the stereoscopic image display device according to any one of claims 1 to 8, wherein the left-eye image frame memory that stores the left-eye image and the right-eye image are displayed.
  • the offset of the left and right eye images can be set with a simple circuit.
  • An invention according to claim 10 is the stereoscopic video signal generation circuit according to any one of claims 1 to 9, wherein: a stereoscopic video frame memory that stores a stereoscopic video; and the left-eye video frame.
  • ADVANTAGE OF THE INVENTION According to this invention, it can synthesize
  • the invention according to claim 11 is the stereoscopic image display device according to any one of claims 1 to 10, wherein a horizontal phase between the left-eye image and the right-eye image is advanced or delayed. The offset between the left-eye image and the right-eye image is set.
  • the invention described in claim 12 is any one of claims 1 to 11
  • an offset between the left-eye video and the right-eye video is set, an area where information is missing at left and right edges of the left-eye video and the right-eye video is a missing area.
  • One or both of the neighboring left-eye image and right-eye image are enlarged and displayed in the horizontal and vertical directions.
  • the present invention even when the left and right eye images are shifted, it is possible to display a stereoscopic image without a sense of incongruity without missing the screen.
  • the invention according to claim 13 is the stereoscopic image display device according to any one of claims 1 to 5, wherein the display unit includes: an image display unit configured to display an image using transmitted light; and a light source. And a light source device comprising an LED array in which white LEDs or RGB LEDs are integrally arranged, and the offset setting means sets the white LEDs or RGB LEDs of the LED array based on the offset. It is equipped with LED control means for controlling lighting.
  • a white LED or an RGB LED which consumes little power and has a fast on / off switching speed, is used as a light source, so that the light source can be freely turned on by controlling the LED control means. Electric power can be reduced.
  • the invention according to claim 14 is the stereoscopic image display device according to claim 13, wherein the LED control means of the offset setting means is configured to display an observation image of the observer based on the observer position information. Lighting control of the white LED or the RGB LED so as to maintain the above.
  • an appropriate image can be displayed even if the observer moves and the observer is located at a plurality of different positions.
  • the light according to claim 15 is the stereoscopic image display according to claim 13, wherein each of the LED arrays provided above and below the light source device has a right-eye image display unit and a left-eye image display. It is characterized in that it forms a part.
  • display control of a stereoscopic image can be performed with a high degree of freedom by controlling light emission of the right-eye image display unit and the left-eye image display unit of the LED array by the LED control unit.
  • FIG. 1 is a block diagram showing a configuration of a stereoscopic video display device according to one embodiment of the present invention.
  • FIG. 2 is a block diagram showing a display control circuit of the stereoscopic video display device shown in FIG.
  • FIG. 3 is a diagram showing how a viewer sees a stereoscopic image.
  • FIG. 4 is a diagram showing how a viewer sees a stereoscopic image.
  • FIG. 5 is a diagram showing how a viewer sees a stereoscopic image.
  • FIG. 6 is a diagram illustrating how a viewer sees a stereoscopic image.
  • FIG. 7 is a view showing how a viewer sees a stereoscopic image.
  • FIG. 8 is a diagram showing a configuration of the display means.
  • FIG. 9 is an exploded perspective view showing a detailed configuration of the display device.
  • FIG. 10 is a diagram showing a display state of the liquid crystal of the display device.
  • FIG. 11 is a diagram illustrating the polarization direction of the checkerboard of the display device.
  • FIG. 12 is a diagram showing a state in which an appropriate image is displayed to observers at different positions.
  • FIG. 13 is a diagram showing a configuration of a stereoscopic video display device according to another embodiment of the present invention.
  • FIG. 14 is a diagram showing a configuration of a stereoscopic video display device according to still another embodiment of the present invention.
  • FIG. 1 to 13 show an example of a configuration of a stereoscopic video display device according to an embodiment of the present invention.
  • FIG. 1 is a block diagram showing a configuration of the stereoscopic video display device according to the present embodiment
  • FIG. 2 is a block diagram showing a display control circuit of the stereoscopic video display device shown in FIG. 1
  • FIGS. 6 and 7 show the appearance position of the stereoscopic image
  • FIG. 8 shows the configuration of the display means
  • FIG. 9 shows details of the display device.
  • FIG. 10 is a diagram showing the display state of the liquid crystal of the display device
  • FIG. 9 is a diagram showing the polarization direction of the checkerboard of the display device
  • FIG. Appropriate for the observer It It is a figure showing the state where an image is displayed.
  • the stereoscopic video display device 1 includes a display control circuit 100 and a display unit 121 formed of, for example, a liquid crystal display device.
  • the display control circuit 100 includes a stereoscopic video signal generating circuit 101 for generating a stereoscopic video signal composed of a left-eye video and a right-eye video, and a driving circuit 1002 for driving the display means 121.
  • the stereoscopic video signal generation circuit 101 includes video information related to the stereoscopically visible video, that is, a size of a display image assumed at the time of production, a position of an observer, and cross-point information.
  • Image information acquiring means 10 3 for acquiring the information of the display area of the display means, ie, the image size actually displayed, and the information acquiring means 10 4 of acquiring the position information of the observer with respect to the display device.
  • An offset value for shifting and displaying the left-eye image and the right-eye image based on the image information and the display device information is set to be the same for an observer for image information and display information under different conditions.
  • the stereoscopic video signal generation circuit 101 includes, as data recorded at the time of shooting, left-eye video 10, right-eye video 11, and a cross-point at the time of shooting.
  • Distance (CP information) 13 is input.
  • the left-eye image 10 is shot by the left-eye camera
  • the right-eye image 11 is shot by the right-eye camera arranged side by side with the left-eye camera.
  • the left-eye camera and the right-eye camera are arranged at an angle from the position where the optical axes are parallel so that their optical axes intersect with each other, and a point where the optical axes intersect exists on the imaging target surface.
  • Cross point (CP) is input.
  • the shooting device measures the distance to the CP when shooting stereoscopic images by laser distance measurement, the inclination between the left-eye camera and the right-eye camera, and a cross-point data input device that the photographer inputs. 2 is provided, and when shooting a 3D image, information on the distance to the CP is recorded along with the 3D image as CP information.
  • the distance between the left-eye camera and the right-eye camera (interocular distance) is also recorded as CP information.
  • This interocular distance information corresponds to the distance between the human eyes, and is generally selected between 63 mm and 68 mm.
  • the left-eye video 1 ⁇ input to the stereoscopic video signal generation circuit is digitized by the AD converter 20 and recorded in the left-eye video frame memory 30.
  • the input right-eye video 11 is digitized by the AD converter 21 and recorded in the right-eye video frame memory 31.
  • the AD converters 20 and 21 are supplied with a feedback signal 22 for AD conversion from the switching control unit 41.
  • the left-eye video and right-eye video digitized and recorded in the frame memories 30 and 31 are input to the signal switch 40.
  • the signal switch 40 records the combined stereoscopic video in the composite frame memory 50 by switching and reading the left-eye video and the right-eye video, and generates a composite stereoscopic video signal.
  • the signal switch 40 is a switch (semiconductor switching element) that operates according to a timing signal specified by the switching control section 41.
  • the stereoscopic video signal generation circuit of the present embodiment generates a composite stereoscopic video signal in which the left-eye video 10 and the right-eye I-video 11 are synthesized for each horizontal line from the left-eye video 10 and the right-eye video 11 I do. That is, in the case of the interlaced system, an image is displayed every other scanning line, so that the signal switching unit 40 uses the signal switching unit 40 for each field (for example, NTSC type vertical synchronization timing of 16.6833.3 m). The video signal to be written to the composite frame memory 50 is changed every second). On the other hand, in the case of the non-interlace method, since the scanning lines are displayed in order, the left-eye image and the right-eye image are displayed every other scanning line. The video signal to be written to the composite frame memory 50 is switched at the horizontal synchronization timing of 63.55.555 ⁇ sec).
  • the timing at which the right-eye video data for writing to the composite frame memory 50 is read from the right-eye video frame memory 31 is controlled by the read timing control unit 32.
  • the read timing control unit 32 receives the CP information 13, the timing signal of the signal switch 40 from the switching control unit 41, the screen size information, and the stereoscopic degree adjustment signal.
  • the read timing control unit 32 calculates the timing of reading from the right-eye video frame memory 31 from the information, generates a clock for reading data from the right-eye video frame memory 31, and generates the right-eye video. By reading out later (or earlier) from the correct timing, proper Adjust the timing of giving the amount of parallax that gives a bodily sensation.
  • the timing of reading the right-eye signal from the right-eye video frame memory 31 is controlled with respect to the timing of reading the left-eye signal based on the CP information 13 and the screen size information, so that the stereoscopic effect is optimized. It is read out.
  • the switching control section 41 controls the signal switch 40, and outputs a horizontal synchronizing signal 71, a vertical synchronizing signal 72, a dot synchronizing signal 73 and a left / right signal input from the synchronizing signal generator 70.
  • the operation of the signal switch 40 is controlled based on the reference signal 74. That is, as described above, the signal switch 40 is switched at what timing to set the timing of writing the video data to the composite frame memory 50 in order to generate a composite stereoscopic video signal.
  • the synchronizing signal generator 70 generates a horizontal synchronizing signal 71 and a vertical synchronizing signal 72 based on a video synchronizing signal 82 input from outside of the stereoscopic video signal generating circuit (for example, a display controller). Further, a dot synchronization signal 73 is generated based on a dot sampling link signal 83 input from the outside. Further, a left and right reference signal 74 is generated based on the video synchronization signal 82. When displaying and transmitting a stereoscopic video signal using a general video signal such as a video signal, the left and right reference signals 74 are used to identify whether the video signal is for a left video or a right video. This signal is input to the switching control unit 41 and output to the outside of the stereoscopic video signal generation circuit. ⁇
  • the DA converter 60 converts the digitized video signal into an analog signal and outputs it as a composite stereoscopic video signal.
  • the stereoscopic video signal supplied to the above-described stereoscopic video signal generation circuit is captured by a stereoscopic video photographing apparatus having a pair of left and right cameras (lens and image element) while simultaneously recording the left and right images.
  • the distance between the elements (interocular distance) and the distance to the intersection (cross point) between the optical axis of the left-eye video camera and the optical axis of the right-eye video camera are determined by It is recorded by a stereoscopic video photographing device having a function of recording as event information. That is, the three-dimensional image capturing apparatus records data relating to a three-dimensional effect together with a three-dimensional image.
  • the stereoscopic video signal supplied to the above-described stereoscopic video signal generation circuit is converted into a left-right image together with the left-right video image using a stereoscopic video production device having a function of producing a pair of right and left images by computer graphic (CG). It is generated by a stereoscopic video production device equipped with a function that records the distance between the camera and the optical cross point of the left and right images (the point where the left and right eyes intersect) as cross point information. That is, the three-dimensional image production apparatus generates and records data relating to the three-dimensional effect together with the three-dimensional CG image.
  • FIGS. 3 to 5 are diagrams illustrating the adjustment of the stereoscopic degree by changing the relative positions of the left and right images according to the embodiment of the present invention.
  • FIG. 3 shows a case where the right-eye image and the left-eye image are at the positions at the time of shooting.
  • the original stereoscopic image 300 is composed of a left-eye image 301 and a right-eye image 302.
  • the position of the left-eye image 301 and the position of the right-eye image 302 are the same as those at the time of shooting, and the relative positions of the left and right images are correctly reproduced. Therefore, cross point 303 is located at the time of shooting (original cross point).
  • Figure 4 shows a state where the right-eye image is displayed shifted to the right.
  • the stereoscopic image 310 is composed of a left-eye image 311 and a right-eye image 312. If the right-eye image read timing is delayed with respect to the left-eye image read timing (the right-eye signal phase is delayed), and an offset is set to shift the right-eye image to the right with respect to the left-eye image, and displayed.
  • the line of sight looking at the left-eye image with the left eye and the line of sight looking at the right-eye image with the right eye intersect on the far side of the display screen, and the cross point 3 13 moves farther than the shooting position. Therefore, the degree of projection is weaker than in the original stereoscopic image, the sense of depth is emphasized, and the image is farther away from the whole.
  • Figure 5 shows a state where the right-eye image is displayed shifted to the left.
  • the stereoscopic image 320 is composed of a left-eye image 3221 and a right-eye image 3222.
  • the right-eye image is read earlier than the left-eye image is read (the phase of the right-eye signal is advanced)
  • the right-eye image is shifted to the left with respect to the left-eye image.
  • the right eye with the right eye The line of sight intersects the line of sight of the image on the near side of the display screen, and the cross point 3 2 3 is closer to the position at the time of shooting. Therefore, the degree of protrusion is emphasized, the sense of depth is reduced, and the image is closer to the front than the original stereoscopic image.
  • the offset from the display screen can be obtained.
  • a natural three-dimensional image can be displayed without causing a region in which no image is displayed (a region displayed in black) due to lack of the reproduced image.
  • FIG. 6 shows the relationship between the amount of parallax of the original stereoscopic video and the appearance position of the stereoscopic image.
  • the right-eye image and the left-eye image are in a positional relationship at the time of shooting as shown in FIG.
  • the appearance position of the stereoscopic image (the distance between the position where the stereoscopic image can be viewed and the observer) is displayed on the display screen as Ld
  • the viewing distance the distance between the observer and the display screen
  • Fig. 7 shows the relationship between the amount of parallax of the left and right eye images and the stereoscopic image appearance position when an offset is given to the left and right eye images.
  • the appearance position of the stereoscopic image (the distance between the position where the stereoscopic image can be seen and the observer) is L d
  • the viewing distance (the distance between the observer and the display screen) is L s
  • the offset of the left and right eye images is X o
  • the left eye image and the right eye image displayed on the display screen Assuming that the amount of parallax between is XI and the interocular distance is de (approximately 65 mm), the above parameters are expressed by equation (2) shown in Fig. 7.
  • L d obtained by equation (1) shown in FIG. 6 is substituted into equation (2).
  • the offset Xo of the left and right eye images is obtained.
  • the display means 122 is composed of a display device using liquid crystal, and as shown in FIGS. 8 and 9, a right-eye polarization filter section 6 a whose polarization direction is orthogonal to the left and right of the light emitting surface of the flat light source 5. And a left-eye polarization filter section 6b.
  • a light emitting element and a polarizing filter it is sufficient to irradiate light of different polarizations from different positions.For example, two light emitting elements that generate light of different polarizations are provided and different polarizations are provided. The light may be applied to the Fresnel lens 3 from different positions.
  • reference numeral 3 denotes a Fresnel lens, and each light that has passed through each of the filter portions 6a and 6b is irradiated on the liquid crystal display element 2 as parallel light by the Fresnel lens 3.
  • the display panel 2a of the liquid crystal display element 2 displays the pixels (L, R) constituting the first and second images viewed stereoscopically as shown in FIG. They are arranged so as to form a checkered pattern that is arranged alternately.
  • Polarizing panels 2b and 2c are attached to both sides of the display panel on the light source side and on the observer side, respectively.
  • the liquid crystal display panel 2 has a liquid crystal that is oriented by being twisted at a predetermined angle (for example, 90 degrees) between two transparent plates (for example, a glass plate).
  • a predetermined angle for example, 90 degrees
  • the liquid crystal display panel is emitted with the polarization of the incident light shifted by 90 degrees when no voltage is applied to the liquid crystal.
  • the liquid crystal is untwisted, and the incident light is emitted with the same polarization.
  • a checkered filter 7 is attached to the light source side of the display panel 2.
  • the light that has passed through the right polarizing filter part a and the light that has passed through the left polarizing filter part b of the polarizing filter 6 enter the Fresnel lens 3 at different angles, The light is refracted by the Fresnel lens 3 and is radiated from the liquid crystal display panel 2 through different paths.
  • the polarization axis of the light transmitted through the right polarization filter unit a is rotated by 90 degrees to be equal to the polarization of the light transmitted through the left polarization filter unit b.
  • the region 7b where the half-wavelength plate 72 is not provided transmits light having the same polarization as that of the polarizing plate 2b that has passed through the left polarizing filter portion b.
  • the region 7a where the half-wavelength plate 72 is provided becomes equal to the polarization axis of the polarizing plate 2b when the light whose polarization axis is orthogonal to that of the polarizing plate 21 that has passed through the right-side polarization filter portion a. And emit light.
  • the repetition of the polarization characteristic of the ⁇ -pine filter 7 is transmitted at the same pitch as the display unit of the liquid crystal display panel 2 for each display unit (ie, the horizontal horizontal line and the vertical vertical line of the display unit).
  • the polarization of the light to be emitted is different.
  • the polarization characteristics of the fine retardation plate corresponding to each display unit in the scanning direction and the sub-scanning direction of the liquid crystal display panel 2 become different, and the direction of light emitted from each adjacent pixel is different.
  • the light emitted from the checkered filter 7 has the same polarization as the light transmitted through the left polarizing filter part b, and enters the polarizing plate 2 b provided on the light source side of the liquid crystal display panel 2.
  • the polarizing plate 2b functions as a second polarizing plate, and has a polarization characteristic of transmitting the same polarized light as the light transmitted through the pine filter 7. That is, the light transmitted through the left polarizing filter portion b of the polarizing filter 6 transmits through the second polarizing plate 2c, and the light transmitted through the right polarizing filter portion a of the polarizing filter 6 has its polarization axis rotated 90 degrees.
  • the polarizing plate 2c functions as a first polarizing plate, and has a polarization characteristic of transmitting light having a polarization 90 degrees different from that of the polarizing plate 21.
  • the left and right images are displayed so as to form a checkerboard pattern in a plane, and the filters are also arranged on the plane in a checkerboard pattern.
  • the stereoscopic video signal generation circuit 101 generates a synthetic stereoscopic video signal from the input stereoscopic video signal, and outputs the generated synthetic stereoscopic video signal via the driving circuit 102 to display means.
  • Supply 1 2 1 Display size information relating to the size of the displayable area of the display element provided in the display means 121 is output from the display means 122.
  • This screen size information is set for each display means, and is information on the number of dots in the vertical and horizontal directions and the size of the display area stored in a storage unit (memory) provided in the display means. Further, the display means 122 outputs viewing distance information relating to the distance at which the observer views the image displayed on the display means 122. This viewing distance information may be determined according to the size of the display area, or an observer position detecting means 122 for detecting an observer is provided on the display means 122, and observation is performed on the display means 122. The positional relationship between the user 90 and the display means 122 is measured to obtain positional information.
  • the screen size information and viewing distance position information output from the display means 121 are input to the display information acquisition means 104 and converted into data in a format required by the stereoscopic video signal generation circuit 101. Then, it is supplied to the stereoscopic video signal generation circuit 101.
  • the stereoscopic video signal generation circuit 101 receives a stereoscopic degree adjustment signal from the input unit 105, and according to the stereoscopicity instructed by the viewer to the input unit 105, the left and right eye images are formed. The image is offset and displayed, and the stereoscopic degree of the stereoscopic image displayed on the display means 121 can be changed.
  • the left-eye video reaching the viewer's left eye and the right-eye video reaching the right eye are alternately displayed in a checkerboard pattern on the display means 122. Then, the stereoscopic video signal generation circuit 101 controls to delay or advance the timing of reading the right-eye video from the right-eye frame memory 31 to delay or advance the horizontal phase of the left-eye video and the right-eye video, and Adjust the binocular disparity by setting the amount of offset (offset) between the image and the right-eye image to adjust the stereoscopic effect.
  • FIGS. 13 and 14 show another embodiment of the present invention, in which the light source 5 of the liquid crystal display device is changed.
  • a plurality of white LEDs 201 are arranged side by side in a horizontal direction, and two rows of LED arrays 2 3 1L and 2 3 1R serving as left and right light sources and image display means (liquid crystal display) Plate) 2 32 and a Fresnel lens 2 14 acting as a convex lens and two polarizing elements 2 6 6 which form polarization directions perpendicular to each other and correspond to the LED arrays 2 3 1 L and 2 3 1 R.
  • the LED array 211 is controlled to be turned on and off by LED control means 2.13 provided in the display control circuit 100.
  • LED control means 2.13 provided in the display control circuit 100.
  • the LED that emits light is represented by “up”, and the LED that does not emit light is represented by “ ⁇ ”.
  • the displacement d1 of the image display device (light source device 230 for the image display device) of the observer 90 from the optical axis O and the distance d2 from the image display means 232 are measured.
  • An observer position judging means 2 3 4 for emitting a measurement signal is provided.
  • the observer position determination means 2 3 4 may use an ultrasonic method, an infrared method, or any other means. it can.
  • the LED control means 233 controls the lighting locations 235, 236 of the white LED 1 of the LED array 231 based on the above-mentioned measurement signal, and the LED array 233.
  • the light emission position of 1 can be quickly moved (shown by arrow D) to a position corresponding to the movement of the observer 90 (shown by arrow d), and a natural stereoscopic image is always provided to the observer 90. Can be displayed.
  • control of the light source device for the image display device does not involve any mechanical operation, it can be made high-speed, high-precision, and highly durable. It can be simple.
  • the number of observers and the position of each observer with respect to the image display device are measured by the position judging means 34 and output as a position signal, and the LED array 23 1 is turned on by the LED control means 23 3 If controlled, an appropriate stereoscopic image can be displayed to observers at a plurality of different positions.
  • the LED array 351 of the light source 5 is configured in two stages of an upper stage 351U and a lower stage 351D.
  • the left and right portions corresponding to the upper portion 35 1 U and the lower portion 35 1 D are located at positions corresponding to the white LEDs 301 of the upper portion 35 1 U and the lower portion 35 1 D, respectively.
  • the polarizing filters 3 5 4 are arranged.
  • This polarizing filter includes polarizing filters 354U and 354D through which light from the upper section 351U and the lower section 351D of the LED array 351 passes.
  • the polarization filters 354U and 354D are composed of polarization filters whose polarization directions are orthogonal to each other.
  • the LED control means 353 controls the blinking of each LED array 351U and 351D.
  • the position of the observer 90 is determined by the above-described observer position detecting means 122, and the upper and lower LED arrays 354U and 354D emit light at the light-emitting portions 373, and the observer 90 receives a three-dimensional image. Display an image. At this time, the light emitting point is moved using the observer position detecting means 122 shown in the above embodiment so that a stereoscopic image corresponding to the position of the observer 90 can be displayed.
  • there are multiple observers for example, two observers 90, 91. I do.
  • the LED control means 3 53 3 obtains a signal from the observer position detecting means 1 2 2 and sets two light emitting areas 3 7 3 and 3 7 4 on the two LED arrays 35 1. The lighting control of these light emitting regions is alternately performed at high speed.
  • the distance between the LEDs for displaying the left and right is increased, and the interference of light from each LED is reduced. Reduced crosstalk between left and right images.
  • the above-described three-dimensional image display device is applicable to various three-dimensional display devices such as a mobile phone, a three-dimensional television receiver, and a three-dimensional projector. Further, the present invention can be applied to a three-dimensional movie theater, a moving image reproducing device for reproducing three-dimensional images distributed via the Internet, a standing game machine, and a simulator for an airplane or a vehicle.
  • the observer position detecting means can be arranged at an appropriate position for detecting the position of the observer, and the position of the observer can be accurately detected.
  • the ultrasonic wave is used for the observer position detecting means, and is less susceptible to the influence of ambient noise and the like as compared to the detection of the observer by other means. Accurate detection can be performed.
  • the information acquisition means includes: adaptive screen size information relating to a screen size suitable for reproducing the stereoscopic video defined in association with the stereoscopic video; and Acquiring suitable position information on a position up to a suitable display screen as the image information, acquiring display screen size information on a surface size of the stereoscopic image display device, and observation position information as the display device information;
  • the offset setting means is configured to set an offset between a left-eye image and a right-eye image based on the optimum screen size information, the adaptive viewing distance information, the display screen size information, and the observation position information, and display the image.
  • the stereoscopic effect of the 3D image display device is adjusted according to the information on the 3D image playback defined in association with the 3D image. Even if the image changes or the viewing distance of the observer changes, a stereoscopic image adjusted to the optimal stereoscopic degree (depth amount) corresponding to these changes can be obtained.
  • the information acquisition means is a camera distance that is determined in relation to the stereoscopic image and that is related to the distance between the optical axis of the left-eye video camera and the optical axis of the right-eye video camera.
  • Information, and cross-point information about the distance to the intersection of the optical axis of the left-eye video camera and the optical axis of the right-eye video camera is obtained as the video information
  • the offset setting means includes the camera distance information and the The offset of the left-eye image and the right-eye image is set based on the cross-point information, and the stereoscopic effect of the image displayed on the display means is adjusted.
  • the optimal stereoscopic degree (depth amount) corresponding to the screen size is adjusted.
  • the offset setting means includes a left-eye image and a right-eye image based on the information input to the input means.
  • a left-eye video frame memory for storing a left-eye video
  • a right-eye video frame memory for storing the right-eye video.
  • Timing control means for controlling the timing of reading video data from the video frame memory and / or the right-eye video frame memory, wherein the timing control means is provided from one of the left-eye video frame memory and the right-eye video frame memory
  • the offset between the left-eye image and the right-eye image is set by making the timing of reading the video data earlier or later than the timing of reading the video data from the other frame memory. Video offset can be set.
  • a stereoscopic video frame memory for storing a stereoscopic video, left-eye video data read from the left-eye video frame memory, and read from the right-eye video frame memory
  • Signal switching means for switching between the right-eye video data and the 3D video frame memory. It is possible to compose a video with an image offset set and store it in the frame memory.
  • the display means includes an image display means for displaying an image by transmitted light and a light source device, and the light source device is an LED in which white LEDs or RGB LEDs are integrally arranged.
  • the offset setting means is provided with an LED control means for controlling the white LED or the RGB LED of this LED array based on the offset, so that the free light source can be controlled by the LED control means. Lighting can be performed, and power consumption can be reduced.
  • the LED control means of the offset setting means controls the lighting of the white LED or the RGB LED based on the observer position information so as to maintain the observer's observation image. Therefore, even if the observer moves, and even if the observer is at a plurality of different positions, an appropriate image can be displayed.
  • each LED array provided above and below the light source device forms a right-eye image display portion and a left-eye image display portion
  • the right-eye LED array By controlling the light emission of the image display unit and the left-eye image display unit by the LED control means, the display control of the stereoscopic image can be performed with a high degree of freedom.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

L'invention concerne un dispositif de présentation d'images stéréoscopiques pouvant acquérir une image stéréoscopique ayant un nombre de protubérances naturelles, même lorsque les conditions de génération de l'image et de reproduction de l'image sont différentes. Le dispositif comprend un circuit de génération de signal d'image stéréoscopique pour générer un signal d'image stéréoscopique; un moyen d'affichage pour afficher une image stéréoscopique; et un circuit de commande pour commander le moyen d'affichage. Le circuit de génération de signal d'image stéréoscopique comprend un moyen d'acquisition de données pour acquérir des données d'une image pouvant être visualisée en stéréoscopie et des données du dispositif de présentation sur une zone d'affichage du moyen d'affichage; et un moyen de réglage de décalage pour fixer une valeur du décalage permettant de présenter une image de l'oeil gauche et une image de l'oeil droit décalées l'une de l'autre, et pour amener le moyen d'affichage à présenter un signal d'image stéréoscopique procurant à l'observateur la sensation de visualiser une image stéréoscopique uniforme pour des données d'image et des données de présentation dont les conditions sont différentes.
PCT/JP2003/002863 2003-03-11 2003-03-11 Dispositif de presentation d'images stereoscopiques WO2004082297A1 (fr)

Priority Applications (3)

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AU2003221346A AU2003221346A1 (en) 2003-03-11 2003-03-11 Stereoscopic image display device
PCT/JP2003/002863 WO2004082297A1 (fr) 2003-03-11 2003-03-11 Dispositif de presentation d'images stereoscopiques
JP2004569333A JPWO2004082297A1 (ja) 2003-03-11 2003-03-11 立体映像表示装置

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JP2008262157A (ja) * 2007-03-20 2008-10-30 Epson Imaging Devices Corp ２画面表示装置
JP4586845B2 (ja) * 2007-03-20 2010-11-24 エプソンイメージングデバイス株式会社 ２画面表示装置
JP2009210840A (ja) * 2008-03-05 2009-09-17 Fujifilm Corp 立体画像表示装置および方法並びにプログラム
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JP4657313B2 (ja) * 2008-03-05 2011-03-23 富士フイルム株式会社 立体画像表示装置および方法並びにプログラム
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WO2009157198A1 (fr) 2008-06-26 2009-12-30 パナソニック株式会社 Support d’enregistrement, dispositif de reproduction, dispositif d’enregistrement, procédé de reproduction, procédé d’enregistrement et programme
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JP2010183154A (ja) * 2009-02-03 2010-08-19 Casio Hitachi Mobile Communications Co Ltd 端末装置及びプログラム
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JP4737573B2 (ja) * 2009-02-05 2011-08-03 富士フイルム株式会社 ３次元画像出力装置及び方法
JP2010206774A (ja) * 2009-02-05 2010-09-16 Fujifilm Corp ３次元画像出力装置及び方法
CN102308590B (zh) * 2009-02-05 2014-04-16 富士胶片株式会社 三维图像输出装置和三维图像输出方法
JP2011211657A (ja) * 2010-03-30 2011-10-20 Toshiba Corp 電子機器及び画像出力方法
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WO2012157540A1 (fr) * 2011-05-19 2012-11-22 ソニー株式会社 Appareil de traitement d'image, procédé de traitement d'image et programme associé
CN103518372A (zh) * 2011-05-19 2014-01-15 索尼公司 图像处理装置、图像处理方法和程序
CN103518372B (zh) * 2011-05-19 2015-12-02 索尼公司 图像处理装置、图像处理方法和程序
US9710955B2 (en) 2011-05-19 2017-07-18 Sony Corporation Image processing device, image processing method, and program for correcting depth image based on positional information
JP2013258705A (ja) * 2013-06-26 2013-12-26 Nec Casio Mobile Communications Ltd 端末装置及びプログラム

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