JP5608996B2 - ADJUSTMENT DEVICE AND ADJUSTMENT METHOD FOR ADJUSTING A STEREO IMAGE DISPLAY DEVICE, AND ADJUSTMENT DEVICE AND ADJUSTMENT METHOD FOR ADJUSTING A STEREO IMAGE CAPTURE DEVICE - Google Patents

Description

The present invention relates to an adjustment device and an adjustment method for adjusting a stereoscopic image display device that displays a stereoscopic image using a large number of projectors, and captures a parallax image for displaying a stereoscopic image using a large number of imaging devices. The present invention relates to an adjustment device and an adjustment method for adjusting a stereoscopic image photographing device.

  Humans perceive a solid by synthesizing in their heads parallax images viewed with their left and right eyes. As a method for displaying a stereoscopic image, a binocular stereoscopic display method has been used for a long time. This method uses left eyeglasses and right eyeglasses and perceives a solid by observing different two-dimensional images between the left and right eyes.

  However, in this binocular stereoscopic display system, not only it is necessary to wear special glasses incorporating a mirror, but also because a stereoscopic image is formed with only one set of parallax images, a human moved his head. It is impossible to perceive moving object parallax that sometimes changes the appearance of an object. Further, since the focus of the human eye is not on the object but on the plane of the two-dimensional image viewed through the mirror, fatigue occurs due to the mismatch of the focal positions.

  A multi-view stereoscopic display system has been developed as a system for solving the disadvantages of the binocular stereoscopic display system. In this method, multiple parallax images viewed from different directions are displayed simultaneously in the corresponding directions, and it is not necessary to wear special glasses, depending on the position of the observer's head. Since the visible images are switched, the moving object parallax can be perceived.

  Various types of stereoscopic image display devices adopting a multi-view stereoscopic display method have been proposed.

  For example, in Patent Document 1, a large number of projectors are arranged, and different parallax images generated by the projectors are projected onto a screen at the same time so that a stereoscopic image is perceived. In this case, the parallax images generated by the projectors arranged at the peripheral edge are projected onto the screen via a mirror or projected onto the screen from an oblique direction. For this reason, there is a problem that not only the image must be generated in consideration of the fact that the parallax image is inverted by the mirror, but also the size of the apparatus is increased due to the need for the mirror. In addition, when an attempt is made to project a parallax image in an oblique direction, distortion occurs in the image, and complicated correction processing is required to remove the distortion.

  As a stereoscopic image display apparatus capable of solving these problems, there is an apparatus disclosed in Patent Document 2. FIG. 7 is a schematic configuration diagram of a stereoscopic image display device disclosed in Patent Document 2. In this apparatus, a number of projectors 2a to 2i, which are two-dimensional image display devices, are arranged in a horizontal direction (arrow x direction) and a vertical direction (arrow y direction), respectively, as shown in FIG. Different parallax images generated by 2i are projected onto the screen 6 via projection lenses 4a to 4i that are decentered by a predetermined amount with respect to the optical axes of the projectors 2a to 2i. Further, the projectors 2a to 2i arranged in the direction of the arrow y are arranged with their positions shifted with respect to the direction of the arrow x. The screen 6 includes a shared lens 8 made of a Fresnel lens or the like, and a vertical diffusion plate 10 that diffuses incident light only in the vertical direction (arrow y direction).

  FIG. 9 shows display ranges 12a to 12i of parallax images generated by the projectors 2a to 2i. The display ranges 12a to 12i form a range 14 in which the light from the projectors 2a to 2i is diffused in the vertical direction by the vertical diffusing plate 10 so as to overlap in the arrow y direction. The same effect as when densely arranged (in the direction of the arrow x) can be obtained.

  In the apparatus disclosed in Patent Document 2, as shown in FIGS. 8, 10, and 11, the positions of the projection lenses 4a to 4i with respect to the optical axes of the projectors 2a to 2i excluding the central projector 2e. Are arranged eccentrically by a predetermined amount in the horizontal direction (arrow x direction) and the vertical direction (arrow y direction), so that the parallax images generated by the projectors 2a to 2i arranged in the peripheral part are passed through the mirror. Without being projected on the screen 6. Therefore, not only complicated correction processing for the image is not required, but also the stereoscopic image display device can be easily reduced in size.

Special table 2000-509591 JP 2007-309975 A

  By the way, each projection lens 4a-4i is formed on the screen 6 via the parallax image formed on the screen 6 via the center projection lens 4e, and other projection lenses 4a-4i except the projection lens 4e. It is necessary to adjust the positions of the projection lenses 4a to 4i with high accuracy so that the parallax images to be formed are formed at the same position on the screen 6. However, in order to adjust the positions of the projection lenses 4a to 4i with high accuracy, skilled techniques and a lot of adjustment time are required.

  On the other hand, the stereoscopic image capturing device that generates the parallax images supplied to the projectors 2a to 2i in which the projection lenses 4a to 4i are arranged as illustrated in FIG. 8 is configured in the same manner as the stereoscopic image display device. That is, in the stereoscopic image capturing apparatus, a plurality of imaging apparatuses that capture parallax images are arranged in the same arrangement as the projectors 2a to 2i, and the imaging lenses are arranged in the same positional relationship as the projection lenses 4a to 4i in front of each imaging apparatus. Configured. In this case, like the projection lenses 4a to 4i, the position of the photographing lens needs to be adjusted with high accuracy.

The present invention has been made to solve the above-described problems, and easily and accurately adjusts the position of a projection lens constituting a stereoscopic image display device or a photographing lens constituting a stereoscopic image photographing device. and to provide can Ru adjustment device and adjust how the things.

A plurality of projectors arranged in a parallax direction and capable of generating a plurality of parallax images obtained by photographing an object from different directions of the parallax directions, and arranged eccentrically with respect to the optical axes of the plurality of projectors is, an adjustment device for adjusting the stereoscopic image display device including a plurality of projection lenses that can form an afocal optical system for projecting the plurality of parallax images cleans, the plurality of projectors And an opening member disposed between the projection lens of the projector disposed at the reference position and the screen, the opening member having an opening centered on the optical axis of the projector disposed at the reference position A projection lens generated by a projector arranged at a reference position and corresponding to the projector arranged at the reference position and the front through the opening. Based on the test pattern image projected on the screen, to move the projection lenses corresponding to the projector disposed on the reference position and an adjustment unit, the adjustment section corresponds to the projector disposed on the reference position It is determined whether or not the test pattern image projected onto the screen through the projection lens and the opening is missing by the opening, and if the test pattern image is missing, the test pattern image is not dropped at the reference position. Provided is an adjusting device for moving a projection lens corresponding to a projector to be arranged .
In addition, a plurality of projectors arranged in the parallax direction and capable of generating a plurality of parallax images obtained by photographing an object from different directions of the parallax direction, and the respective projectors are decentered with respect to the optical axes It is disposed, a method of adjusting the stereoscopic image display device including a plurality of projection lenses that can form an afocal optical system for projecting the plurality of parallax images cleans, the reference A projection lens generated by a projector disposed at a position and corresponding to a projector disposed at a reference position among the plurality of projectors, and an opening centered on an optical axis of the projector disposed at the reference position Projection corresponding to the projector arranged at the reference position based on the test pattern image projected onto the screen via Possess an adjustment step of moving the lens, in the adjusting step, the projection lens and a test pattern image projected on the screen through the opening corresponding to the projector disposed on the reference position, by the opening An adjustment method is characterized in that it is determined whether or not the image is missing, and in the case where the image is missing, a projection lens corresponding to the projector arranged at the reference position is moved so that the test pattern image is not lost .
In addition, a plurality of photographing devices arranged in the parallax direction and capable of obtaining a plurality of parallax images by photographing an object from different directions of the parallax direction, and each of the plurality of photographing devices are eccentrically arranged with respect to the optical axes of the plurality of photographing devices. And an adjustment device that adjusts a stereoscopic image photographing device including a plurality of photographing lenses that can form an afocal optical system that forms each of the plurality of parallax images on each of the plurality of photographing devices. And an imaging device having an opening centered on the optical axis of the imaging device arranged at a reference position among the plurality of imaging devices, and an imaging lens corresponding to the imaging device, An opening member disposed between the imaging member, a photographing lens corresponding to the photographing device disposed at the reference position, and a test pattern photographed by the photographing device disposed at the reference position via the opening. Based on the emission image, the moving corresponding imaging lens to the imaging device located at the reference position and an adjustment unit, the adjustment unit, the taking lens and the corresponding photographing apparatus is disposed in the reference position It is determined whether or not the test pattern image photographed by the photographing device arranged at the reference position through the opening is missing due to the opening. An adjustment device is provided that moves a photographing lens corresponding to the photographing device arranged at the reference position .
In addition, a plurality of photographing devices arranged in the parallax direction and capable of obtaining a plurality of parallax images by photographing an object from different directions of the parallax direction, and each of the plurality of photographing devices are eccentrically arranged with respect to the optical axes of the plurality of photographing devices. An adjustment method for adjusting a stereoscopic image photographing apparatus provided with a photographing lens configured to form an afocal optical system for forming each of the plurality of parallax images on each of the plurality of photographing apparatuses, Photographed by the photographing device disposed at the reference position and centered on the photographing lens corresponding to the photographing device disposed at the reference position among the plurality of photographing devices and the optical axis of the photographing device disposed at the reference position An imaging lens corresponding to the imaging device disposed at the reference position based on a test pattern image captured by the imaging device disposed at the reference position through the opening. Possess an adjustment step of moving, in the adjustment step, via the taking lens and the opening corresponding to the imaging device located on the reference position, the test that is photographed by the photographing device which is disposed in the reference position It is determined whether or not a pattern image is missing due to the opening, and when the pattern image is missing, a photographing lens corresponding to the photographing device disposed at the reference position is moved so that the test pattern image is not missing. An adjustment method is provided.

In the present invention, the adjusting device and the adjusting method for adjusting the stereoscopic image display device can be adjusted easily and highly accurately the position of the projecting shadow lens.

Further, in the present invention, the adjusting device and the adjusting method for adjusting the stereoscopic image photographing apparatus, it is possible to adjust the position of the shooting lens easily and accurately.

It is a block diagram of the configuration of an adjustment device for adjusting a stereoscopic image display device to which the present invention is applied. 2A is a front view of the aperture member that constitutes the adjusting device shown in FIG. 1, and FIG. 2B is a cross-sectional view of the aperture member in FIG. 2A. FIG. 3A to FIG. 3D are explanatory diagrams of test pattern images generated by the projector that constitutes the adjusting device shown in FIG. It is a flowchart of the adjustment method which adjusts the stereo image display apparatus with which this invention is applied. 5A to 5D are explanatory diagrams of images projected on the screen based on the test pattern images shown in FIGS. 3A to 3D. 1 is a configuration block diagram of an adjustment device that adjusts a stereoscopic image capturing device to which the present invention is applied. FIG. It is a schematic block diagram of the stereo image display apparatus which concerns on a prior art. It is explanatory drawing of the arrangement | sequence of the projector and projection lens which comprise the stereo image display apparatus shown in FIG. It is explanatory drawing of the display range of the parallax image by the projector which consists of an arrangement | sequence shown in FIG. It is explanatory drawing of the parallax image projected on a horizontal direction by the three-dimensional image display apparatus shown in FIG. FIG. 8 is an explanatory diagram of a parallax image projected in the vertical direction by the stereoscopic image display device shown in FIG. 7.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a configuration block diagram of an adjustment device 20 that adjusts a stereoscopic image display device to which the present invention is applied. The stereoscopic image display device 22 that is an adjustment target adjusted by the adjustment device 20 is configured in the same manner as the stereoscopic image display device shown in FIG.

  That is, the stereoscopic image display device 22 includes a plurality of projectors 24a to 24i that generate parallax images when the object is viewed from different directions, a screen 26 that displays a stereoscopic image, and a two-dimensional image generated by each projector 24a to 24i. Projection lenses 28 a to 28 i for projecting images onto the screen 26. The projection lenses 28 a to 28 i constitute an afocal optical system with respect to the screen 26. The screen 26 includes a shared lens 30 made of a Fresnel lens or the like, and a vertical diffusion plate 32 that diffuses light incident on the screen 26 only in the vertical direction. The projectors 24a to 24i correspond to the projectors 2a to 2i shown in FIG. 7 and are arranged as shown in FIG.

  The adjusting device 20 is a device that automatically adjusts the positions of the projection lenses 28a to 28i with respect to the projectors 24a to 24i. An aperture member 36 (FIGS. 2A and 2B) having a circular opening 34, a single camera device 38 for taking an image projected on the screen 26, projectors 24a to 24i, and a projection lens 28a To 28i and the camera device 38 to adjust the position of the projection lenses 28a to 28i. The aperture member 36 is attached only when the position of the projection lenses 28a to 28i is adjusted, and is removed when displaying a stereoscopic image.

  The adjustment unit 40 drives the test pattern generation unit 42 that generates a test pattern for adjusting the position of the projection lenses 28a to 28i, the projector drive unit 44 that drives the projectors 24a to 24i according to the test pattern, and the camera device 38. A camera driving unit 46, a camera image acquisition unit 48 that acquires a test pattern image taken by the camera device 38, and the positions of the projection lenses 28a to 28i based on the acquired test pattern image, and the projection lenses 28a to 28i. The position determination processing unit 50 that performs necessary processing such as moving 28i, the test pattern switching unit 52 that switches test patterns, and the projection lenses 28a to 28i are moved in a plane orthogonal to the optical axes of the projectors 24a to 24i. A projection lens moving unit 54.

  Here, FIGS. 3A to 3D are test pattern images generated by the projectors 24 a to 24 i based on the test pattern generated by the test pattern generation unit 42. The test pattern images 56a to 56c are images set so that the diameter of a perfect circle gradually decreases, and the test pattern image 56d is a cross bright line image. The diameters of the test pattern images 56 a and 56 b projected on the screen 26 are set larger than the diameter of the image of the circular opening 34 of the aperture member 36 projected on the screen 26. Further, the diameter of the test pattern image 56 c projected onto the screen 26 is set smaller than the diameter of the image of the circular opening 34 of the aperture member 36 projected onto the screen 26. These test pattern images 56a to 56d are set so that the center coincides with the optical axis of the projector 24e.

  The adjustment device 20 of the present embodiment is basically configured as described above. Next, a method for adjusting the stereoscopic image display device 22 will be described with reference to the flowchart shown in FIG.

  First, the adjustment unit 40 controls the test pattern switching unit 52 to generate a test pattern for generating the test pattern image 56a having the largest diameter (FIG. 3A) from the test pattern generation unit 42 (step S1). ), The projector driving unit 44 drives the projector 24e disposed in the center of the stereoscopic image display device 22 (step S2). The projector 24e generates a test pattern image 56a.

  On the other hand, the adjustment unit 40 controls the camera driving unit 46 and images the screen 26 by the camera device 38 (step S3). The camera image acquisition unit 48 acquires the captured image on the screen 26 from the camera device 38 and supplies the acquired image to the position determination processing unit 50.

  Further, the adjustment unit 40 moves the projection lens 28e left and right in the horizontal direction by the projection lens moving unit 54 while photographing the screen 26 by the camera device 38 (step S4).

  The position determination processing unit 50 determines the position of the projection lens 28e based on the image on the screen 26 acquired by moving the projection lens 28e left and right in the horizontal direction (see FIG. 5A) (step S5). In this case, when the test pattern image 56a deviates from the circular opening 34 of the aperture member 36 and the projection image 58 of the perfect circular opening 34 cannot be obtained, that is, as shown in FIG. When a part of the projection image 58 of the unit 34 is missing, it is determined that the vertical position of the projection lens 28e within the horizontal movement range is not appropriate. Therefore, the position determination processing unit 50 moves the projection lens 28e up and down in the vertical direction by a predetermined amount by the projection lens moving unit 54 (step S6), and then repeats the processes of steps S4 to S6.

  The adjustment unit 40 repeats the processes of steps S4 to S6, and obtains the moving range of the projection lens 28e when the projected image 58 of the perfect circular opening 34 without any missing portion is projected on the screen 26 by the test pattern image 56a. . Since the appropriate position of the projection lens 28e when the optical axis of the projection lens 28e coincides with the optical axis of the projector 24e is within this movement range, the adjustment unit 40 projects the projection lens with respect to the horizontal direction and the vertical direction at this time. The movement range of 28e is set to the movement range of the projection lens 28e using the next test pattern image 56b.

  Next, the test pattern switching unit 52 switches the test pattern by controlling the test pattern generating unit 42 (steps S7 and S8), and repeats the processing from step S1. The projector 24e generates a test pattern image 56b having a smaller diameter than the test pattern image 56a. The adjustment unit 40 moves the projection lens 28e in the horizontal direction and the vertical direction within the movement range of the projection lens 28e set previously using the test pattern image 56a, and shoots the image projected on the screen 26. Then, the position of the projection lens 28e is determined (see FIG. 5B). Then, the movement range of the projection lens 28e from which the projection image 58 of the circular opening 34 of the perfect aperture member 36 is obtained is obtained, and this movement range is set as the movement range of the projection lens 28e using the next test pattern image 56c. To do.

  Further, the test pattern switching unit 52 switches the test pattern by controlling the test pattern generating unit 42 and repeats the processing from step S1. The projector 24e generates a test pattern image 56c having a diameter smaller than the diameter of the projection image 58 of the circular opening 34. The adjustment unit 40 moves the projection lens 28e in the horizontal direction and the vertical direction within the movement range of the projection lens 28e set previously by using the test pattern image 56b, and based on the image projected on the screen 26, the projection lens 28e is determined (see FIG. 5C). Then, the movement range of the projection lens 28e when the perfect test pattern image 56c is projected on the screen 26 is obtained, and this movement range is set as the movement range of the projection lens 28e using the next test pattern image 56d. .

  In this way, the projection lens 28e can be moved to an appropriate range by narrowing down the movement range of the projection lens 28e using the test pattern images 56a to 56c set so that the diameter gradually decreases. it can.

  Furthermore, the test pattern switching unit 52 switches the test pattern by controlling the test pattern generation unit 42 and repeats the processing from step S1. The projector 24e generates a test pattern image 56d composed of a cross bright line pattern. The adjustment unit 40 is a test pattern image 56d projected on the screen 26 by moving the projection lens 28e in the horizontal direction and the vertical direction within the movement range of the projection lens 28e set previously using the test pattern 56c. The position of the projection lens 28e is adjusted so that the center of the cross bright line (see FIG. 5D) coincides with the center of the projection image 58 of the circular opening 34 of the aperture member 36. As a result, the optical axis of the projection lens 28e can be easily and accurately matched with the optical axis of the projector 24e.

  Next, the projectors 24a to 24i are switched (steps S9 and S10), and the positions of the other projection lenses 28a to 28i other than the projection lens 28e are sequentially adjusted. In this case, the position of each of the projection lenses 28a to 28i is adjusted so that the image is projected at the same position as the image projected onto the screen 26 by the projector 24e whose position of the projection lens 28e has been adjusted.

  For example, the aperture member 36 is removed from the projector 24e in which the position of the projection lens 28e is adjusted with high accuracy, and the test pattern images 56a to 56d are sequentially projected onto the screen 26 using the projector 24e. And each projection lens 28a-28i is moved so that the position of the corresponding test pattern image 56a-56d by each projector 24a-24i may correspond with respect to each test pattern image 56a-56d formed by the projector 24e. Thus, the positions of the projection lenses 28a to 28i can be adjusted with high accuracy.

  In the above description, the projection image projected on the screen 26 is taken by the camera device 38 and the position adjustment of the projection lenses 28a to 28i is automatically adjusted. However, the operator visually confirms the projection image. However, the adjustment may be made.

  In addition, the projection lens for adjusting the position by attaching the aperture member 36 does not necessarily have to be disposed in the central projector 24e, and selects a projection lens disposed in a projector in the vicinity thereof. May be. In this case, after adjusting the position of the selected projection lens, the position of another projection lens is adjusted with reference to the projection lens.

  Next, a case where the present invention is applied to an adjustment device of a stereoscopic image photographing device will be described. FIG. 6 is a block diagram illustrating the configuration of the adjustment device 62 that adjusts the stereoscopic image capturing device 60. In FIG. 6, the same components as those of the adjusting device 20 shown in FIG. 1 are denoted by the same reference numerals, and detailed description thereof is omitted.

  The stereoscopic image capturing device 60 includes a plurality of camera devices 64a to 64i arranged in the same positional relationship as the projectors 24a to 24i constituting the stereoscopic image display device 22 shown in FIG. 1, and a test pattern image to each camera device 64a. The photographing lenses 68a to 68i, which are afocal optical systems for photographing with .about.64i, are configured.

  The adjustment device 62 is arranged between one projector 66 that is a test pattern image generation unit that projects a test pattern image on the screen 26, and a camera device 64e that is disposed at the center that is a reference position and the photographing lens 68e. An aperture member 36 (FIGS. 2A and 2B) that is inserted and has a circular opening 34 centered on the optical axis of the camera device 64e, a projector 66, photographing lenses 68a to 68i, and camera devices 64a to 64a. 64i is provided to adjust the position of the taking lenses 68a to 68i.

  Note that the test pattern image generation unit does not necessarily have to be the projector 66, and may be, for example, a test pattern image directly formed on a panel. Similarly to the adjustment device 20, the aperture member 36 is attached only when the position of the photographing lens 68e is adjusted, and is removed when the parallax images are captured by the camera devices 64a to 64i. It is.

  The adjusting unit 70 includes a photographic lens moving unit 72 that moves the photographic lenses 68a to 68i of the stereoscopic image photographing device 60, instead of the projection lens moving unit 54 that moves the projection lenses 28a to 28i of the stereoscopic image display device 22. The configuration is the same as that of the adjustment unit 40 of the stereoscopic image display device 22.

  The adjustment unit 70 drives the projector 66 to project the test pattern image 56a on the screen 26. Next, the camera device 64e disposed at the center captures an image on the screen 26 via the aperture member 36 and the imaging lens 68e. The adjustment unit 70 moves the photographic lens 68e in the horizontal direction and the vertical direction by the photographic lens moving unit 72, and moves the position of the test pattern image 56a with respect to the circular opening 34 of the aperture member 36.

  In this case, similarly to the stereoscopic image display device 22, the movement range of the photographing lens 68e when the projection image 58 of the perfect circular opening 34 without any missing portion is photographed by the camera device 64e is obtained by the test pattern image 56a. Since the appropriate position of the photographic lens 68e when the optical axis of the photographic lens 68e coincides with the optical axis of the camera device 64e is within this movement range, the adjustment unit 70 shoots the horizontal and vertical directions at this time. The moving range of the lens 68e is set to the moving range of the photographing lens 68e using the next test pattern image 56b.

  Thereafter, similarly to the stereoscopic image display device 22, the test pattern image 56a is sequentially switched to the test pattern images 56b, 56c, and 56d, thereby narrowing the position of the photographing lens 68e to an appropriate position. As a result, the optical axis of the photographing lens 68e can be easily and accurately matched with the optical axis of the camera device 64e.

  Next, position adjustment of the other photographic lenses 68a to 68i excluding the photographic lens 68e is sequentially performed. For example, with respect to the test pattern images 56b to 56d photographed using the camera device 64e in which the aperture member 36 is removed from the camera device 64e and the position of the photographing lens 68e is adjusted, the images photographed by the camera devices 64a to 64i By moving the photographing lenses 68a to 68i so that the positions coincide with each other, the positions of the photographing lenses 68a to 68i can be adjusted with high accuracy.

  Here, as in the case of the position adjustment of the projection lenses 28a to 28i of the stereoscopic image display device 22, the positions of the photographing lenses 68a to 68i are adjusted while visually confirming the images photographed by the camera devices 64a to 64i. May be.

  Further, the photographic lens for adjusting the position by attaching the aperture member 36 is not necessarily provided in the central camera device 64e, and the photographic lens provided in the camera device in the vicinity thereof is not necessarily provided. You may choose. In this case, after adjusting the position of the selected photographic lens, the position of the other photographic lens is adjusted based on the photographic lens.

  The present invention is not limited to the above-described embodiment, and can be modified without departing from the gist of the present invention. For example, the test pattern images 56a to 56d for adjusting the positions of the projection lenses 28a to 28i and the photographing lenses 68a to 68i do not necessarily have to be circular and cross-bright lines, and can have any shape that can detect a positional shift. It is.

20, 62 ... adjusting device 22 ... stereoscopic image display devices 24a-24i, 66 ... projector 26 ... screen 28a-28i ... projection lens 36 ... aperture member 38, 64a-64i ... camera device 40, 70 ... adjusting unit 42 ... test pattern Generation unit 50 ... position determination processing unit 52 ... test pattern switching unit 54 ... projection lens moving unit 60 ... stereoscopic image photographing devices 68a to 68i ... photographing lens 72 ... photographing lens moving unit

Claims (8)

A plurality of projectors arranged in a parallax direction and capable of generating a plurality of parallax images obtained by photographing an object from different directions of the parallax directions, and arranged eccentrically with respect to the optical axes of the plurality of projectors is, an adjustment device for adjusting the stereoscopic image display device including a plurality of projection lenses that can form an afocal optical system for projecting the scan clean the plurality of parallax images,
An opening having an opening centered on an optical axis of a projector disposed at a reference position among the plurality of projectors and disposed between a projection lens of the projector disposed at the reference position and the screen Members,
Generated by the projector arranged at the reference position, and arranged at the reference position based on the projection lens corresponding to the projector arranged at the reference position and the test pattern image projected onto the screen through the opening. An adjustment unit that moves the projection lens corresponding to the projector to be operated, and
The adjustment unit determines whether or not a test lens image projected onto the screen via the projection lens corresponding to the projector disposed at the reference position and the opening is missing by the opening. And an adjustment device that moves a projection lens corresponding to the projector arranged at the reference position so that the test pattern image is not lost . The adjustment device according to claim 1 ,
The adjustment unit is generated by a projector other than the projector disposed at the reference position, and is projected on the screen through the projection lens corresponding to the other projector and without passing through the opening. Based on the above, the projection lens corresponding to the other projector is moved,
An adjusting device characterized by that. The adjustment device according to claim 2 ,
The adjusting unit applies the test pattern image generated and projected by the projector arranged at the reference position to the other projector so that the test pattern image generated and projected by the other projector matches. Move the corresponding projection lens,
An adjusting device characterized by that. In the adjustment device according to any one of claims 1 to 3 ,
The projector arranged at the reference position generates a plurality of test pattern images in order of decreasing image size,
The adjustment unit determines the position of the projection lens based on the plurality of test pattern images sequentially projected on the screen, and adjusts the projection lens corresponding to the projector disposed at the reference position based on the determination result Narrow down the position,
An adjusting device characterized by that. In the adjustment device according to any one of claims 1 to 4 ,
A photographing device for photographing a test pattern image projected on the screen;
The adjustment unit adjusts the position of the projection lens based on the test pattern image photographed by the photographing device.
An adjusting device characterized by that. A plurality of projectors arranged in a parallax direction and capable of generating a plurality of parallax images obtained by photographing an object from different directions of the parallax directions, and arranged eccentrically with respect to the optical axes of the plurality of projectors is, a method of adjusting the stereoscopic image display device including a plurality of projection lenses that can form an afocal optical system for projecting the scan clean the plurality of parallax images,
A projection lens generated by the projector disposed at the reference position and corresponding to the projector disposed at the reference position among the plurality of projectors, and an opening centered on the optical axis of the projector disposed at the reference position An adjustment step of moving a projection lens corresponding to a projector arranged at the reference position based on a test pattern image projected on the screen via
I have a,
In the adjustment step, it is determined whether or not the projection pattern corresponding to the projector arranged at the reference position and the test pattern image projected onto the screen through the opening are missing by the opening. And a projection lens corresponding to the projector arranged at the reference position is moved so that the test pattern image is not lost when the test pattern image is missing . A plurality of photographing devices arranged in a parallax direction and capable of obtaining a plurality of parallax images by photographing an object from different directions of the parallax directions, and are arranged eccentrically with respect to the optical axes of the plurality of photographing devices. An adjustment device for adjusting a stereoscopic image photographing device including a plurality of photographing lenses capable of constituting an afocal optical system that forms each of the plurality of parallax images on the plurality of photographing devices,
An opening having an optical axis of a photographing device arranged at a reference position among the plurality of photographing devices as a center, and between a photographing lens arranged at the reference position and a photographing lens corresponding to the photographing device An opening member disposed in
An imaging device arranged at the reference position based on a test pattern image photographed by an imaging lens corresponding to the imaging device arranged at the reference position and an imaging device arranged at the reference position via the opening. an adjusting unit that moves the corresponding photographing lens,
The adjustment unit is configured such that a test pattern image photographed by the photographing device disposed at the reference position via the photographing lens corresponding to the photographing device disposed at the reference position and the opening is missing by the opening. An adjustment device that moves a photographic lens corresponding to the photographic device arranged at the reference position so that the test pattern image is not missing when it is missing . A plurality of photographing devices arranged in a parallax direction and capable of obtaining a plurality of parallax images by photographing an object from different directions of the parallax directions, and are arranged eccentrically with respect to the optical axes of the plurality of photographing devices. An adjustment method for adjusting a stereoscopic image photographing apparatus including a photographing lens capable of forming an afocal optical system that forms each of the plurality of parallax images on the plurality of photographing apparatuses,
Photographed by the photographing device disposed at the reference position and centered on the photographing lens corresponding to the photographing device disposed at the reference position among the plurality of photographing devices and the optical axis of the photographing device disposed at the reference position An adjustment step of moving a photographing lens corresponding to the photographing device disposed at the reference position based on a test pattern image photographed by the photographing device disposed at the reference position through the opening.
I have a,
In the adjustment step, the test pattern image photographed by the photographing device arranged at the reference position via the photographing lens corresponding to the photographing device arranged at the reference position and the opening is missing by the opening. An adjustment method comprising: moving an imaging lens corresponding to an imaging device arranged at the reference position so that a test pattern image is not lost when it is determined whether the test pattern image is missing .

Images