CN112859373A - 3D display method based on discrete composite image element array - Google Patents
3D display method based on discrete composite image element array Download PDFInfo
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- 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
- G02B30/26—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 autostereoscopic type
- G02B30/30—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 autostereoscopic type involving parallax barriers
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- 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
- G02B30/26—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 autostereoscopic type
- G02B30/30—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 autostereoscopic type involving parallax barriers
- G02B30/32—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 autostereoscopic type involving parallax barriers characterised by the geometry of the parallax barriers, e.g. staggered barriers, slanted parallax arrays or parallax arrays of varying shape or size
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- H—ELECTRICITY
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- 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
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Abstract
The invention discloses a 3D display method based on a discrete composite image element array, which realizes 3D display through integrated imaging display equipment; the integrated imaging display device comprises a display screen and a composite pinhole array; the display screen is used for displaying the discrete composite image element array; the discrete composite image element array comprises a plurality of discretely arranged one-dimensional image elements and two-dimensional image elements; the one-dimensional image element reconstructs a one-dimensional 3D image through the corresponding one-dimensional pinhole, and light rays emitted by the two-dimensional image element adjacent to the one-dimensional image element cannot interfere with the one-dimensional 3D image reconstructed by the one-dimensional image element; the two-dimensional image element reconstructs a two-dimensional 3D image through the corresponding two-dimensional pinhole, and light rays emitted by the one-dimensional image element adjacent to the two-dimensional image element cannot interfere with the two-dimensional 3D image reconstructed by the two-dimensional image element; the one-dimensional 3D image and the two-dimensional 3D image are combined into one 3D image at the viewing area.
Description
Technical Field
The present invention relates to 3D display, and more particularly, to a 3D display method based on a discrete composite image element array.
Background
The integrated imaging 3D display has the characteristic of being watched by naked eyes, the shooting and displaying processes are relatively simple, and 3D images with full parallax and full true colors can be displayed, so that the integrated imaging 3D display is one of the main modes of the current 3D display. Compared with the integrated imaging 3D display based on the micro-lens array, the integrated imaging 3D display based on the pinhole array has the advantages of low cost, light weight, thin device thickness, no limitation of the manufacturing process on the pitch and the like. However, the bottleneck problem of insufficient 3D resolution seriously affects the experience of the viewer. The prior art solution uses a composite pinhole array and a composite image element array to solve the above problems. However, the prior art solutions have the following problems:
(1) and reconstructing a one-dimensional 3D image by each one-dimensional image element through the one-dimensional pinhole corresponding to the one-dimensional image element. However, a portion of the light rays emitted by two-dimensional image elements adjacent to the one-dimensional image element also pass through the one-dimensional pinhole and interfere with the one-dimensional 3D image reconstructed by the one-dimensional image element.
(2) Each two-dimensional image element reconstructs a two-dimensional 3D image through the two-dimensional pinholes corresponding to the two-dimensional image element. However, a portion of the light rays emitted by one-dimensional image elements adjacent to the two-dimensional image element also pass through the two-dimensional pinhole and interfere with the two-dimensional 3D image reconstructed by the two-dimensional image element.
(3) The optical efficiency is still low.
Thus, the viewing perspective of the prior art solutionsθAnd optical efficiencyφAre respectively as
Wherein,pis the pitch of the one-dimensional pinholes and the two-dimensional pinholes,wis the aperture width of the one-dimensional pinholes and the two-dimensional pinholes,lis the viewing distance, the distance between the viewer,gis the distance between the display screen and the composite pinhole array,mis the sum of the number of one-dimensional pinholes and two-dimensional pinholes in the horizontal direction.
Disclosure of Invention
The invention provides a 3D display method based on a discrete composite image element array, which realizes 3D display through integrated imaging display equipment; the integrated imaging display device is characterized by comprising a display screen and a composite pinhole array; the composite pinhole array is positioned in front of the display screen, as shown in figure 1; the center of the composite pinhole array is correspondingly aligned with the center of the display screen; the display screen is used for displaying the discrete composite image element array, as shown in the figure 2; the discrete composite image element array comprises a plurality of discretely arranged one-dimensional image elements and two-dimensional image elements; the one-dimensional image elements and the two-dimensional image elements are alternately arranged in a separated mode in the horizontal direction and the vertical direction; the composite pinhole array comprises one-dimensional pinholes and two-dimensional pinholes, as shown in figure 3; the one-dimensional pinholes and the two-dimensional pinholes are alternately arranged in the horizontal direction and the vertical direction; the centers of the one-dimensional image elements are correspondingly aligned with the centers of the corresponding one-dimensional pinholes; the one-dimensional image element reconstructs a one-dimensional 3D image through the corresponding one-dimensional pinhole, and light rays emitted by the two-dimensional image element adjacent to the one-dimensional image element cannot interfere with the one-dimensional 3D image reconstructed by the one-dimensional image element; the centers of the two-dimensional image elements are correspondingly aligned with the centers of the corresponding two-dimensional pinholes; the two-dimensional image element reconstructs a two-dimensional 3D image through the corresponding two-dimensional pinhole, and light rays emitted by the one-dimensional image element adjacent to the two-dimensional image element cannot interfere with the two-dimensional 3D image reconstructed by the two-dimensional image element; the one-dimensional 3D image and the two-dimensional 3D image are combined into one 3D image at the viewing area.
Preferably, the one-dimensional image elements and the two-dimensional image elements have the same width; the pitches of the one-dimensional pinholes and the two-dimensional pinholes are the same; the spacing widths of the adjacent one-dimensional image elements and the two-dimensional image elements are the same; the aperture widths of the one-dimensional pinholes and the two-dimensional pinholes are the same; spacing width between adjacent one-dimensional image elements and two-dimensional image elementsaSatisfies the following formula:
wherein,wis the aperture width of the one-dimensional pinholes and the two-dimensional pinholes,lis the viewing distance, the distance between the viewer,gis the distance between the display screen and the composite pinhole array.
Preferably, the width of a one-dimensional picture elementqAnd the spacing width between adjacent one-dimensional image elements and two-dimensional image elementsaRespectively as follows:
wherein,pis the pitch of the one-dimensional pinholes and the two-dimensional pinholes,wis the aperture width of the one-dimensional pinholes and the two-dimensional pinholes,lis the viewing distance, the distance between the viewer,gis the distance between the display screen and the composite pinhole array.
Preferably, the viewing perspective of the integrated imaging 3D displayθAnd optical efficiencyφRespectively as follows:
wherein,pis the pitch of the one-dimensional pinholes and the two-dimensional pinholes,wis the aperture width of the one-dimensional pinholes and the two-dimensional pinholes,qis the width of the one-dimensional picture element,gis the distance between the display screen and the composite pinhole array,lis the viewing distance, the distance between the viewer,mis the sum of the number of one-dimensional pinholes and two-dimensional pinholes in the horizontal direction.
Preferably, the width of a one-dimensional picture elementqAnd the spacing width between adjacent one-dimensional image elements and two-dimensional image elementsaRespectively as follows:
wherein,pis the pitch of the one-dimensional pinholes and the two-dimensional pinholes,wis the aperture width of the one-dimensional pinholes and the two-dimensional pinholes,lis the viewing distance, the distance between the viewer,gis the distance between the display screen and the composite pinhole array.
Preferably, the viewing perspective of the integrated imaging 3D displayθAnd optical efficiencyφRespectively as follows:
wherein,pis the pitch of the one-dimensional pinholes and the two-dimensional pinholes,wis the aperture width of the one-dimensional pinholes and the two-dimensional pinholes,qis the width of the one-dimensional picture element,gis the distance between the display screen and the composite pinhole array,lis the viewing distance, the distance between the viewer,mis the sum of the number of one-dimensional pinholes and two-dimensional pinholes in the horizontal direction.
Drawings
FIG. 1 is a schematic view of the present invention
FIG. 2 is a schematic diagram of a discrete composite image element array according to the present invention
FIG. 3 is a schematic diagram of a composite pinhole array of the present invention
The reference numbers in the figures are:
1. the display screen, 2, compound pinhole array, 3, one-dimensional image element, 4, two-dimensional image element, 5, one-dimensional pinhole, 6, two-dimensional pinhole, 7, the interval between the adjacent one-dimensional image element and the two-dimensional image element.
It should be understood that the above-described figures are merely schematic and are not drawn to scale.
Detailed Description
The present invention will be described in further detail below with reference to an exemplary embodiment of a 3D display method based on a discrete composite image element array according to the present invention. It should be noted that the following examples are only for illustrative purposes and should not be construed as limiting the scope of the present invention, and that the skilled person in the art may make modifications and adaptations of the present invention without departing from the scope of the present invention.
The invention provides a 3D display method based on a discrete composite image element array, which realizes 3D display through integrated imaging display equipment; the integrated imaging display device is characterized by comprising a display screen and a composite pinhole array; the composite pinhole array is positioned in front of the display screen, as shown in figure 1; the center of the composite pinhole array is correspondingly aligned with the center of the display screen; the display screen is used for displaying the discrete composite image element array, as shown in the figure 2; the discrete composite image element array comprises a plurality of discretely arranged one-dimensional image elements and two-dimensional image elements; the one-dimensional image elements and the two-dimensional image elements are alternately arranged in a separated mode in the horizontal direction and the vertical direction; the composite pinhole array comprises one-dimensional pinholes and two-dimensional pinholes, as shown in figure 3; the one-dimensional pinholes and the two-dimensional pinholes are alternately arranged in the horizontal direction and the vertical direction; the centers of the one-dimensional image elements are correspondingly aligned with the centers of the corresponding one-dimensional pinholes; the one-dimensional image element reconstructs a one-dimensional 3D image through the corresponding one-dimensional pinhole, and light rays emitted by the two-dimensional image element adjacent to the one-dimensional image element cannot interfere with the one-dimensional 3D image reconstructed by the one-dimensional image element; the centers of the two-dimensional image elements are correspondingly aligned with the centers of the corresponding two-dimensional pinholes; the two-dimensional image element reconstructs a two-dimensional 3D image through the corresponding two-dimensional pinhole, and light rays emitted by the one-dimensional image element adjacent to the two-dimensional image element cannot interfere with the two-dimensional 3D image reconstructed by the two-dimensional image element; the one-dimensional 3D image and the two-dimensional 3D image are combined into one 3D image at the viewing area.
Preferably, the one-dimensional image elements and the two-dimensional image elements have the same width; the pitches of the one-dimensional pinholes and the two-dimensional pinholes are the same; the spacing widths of the adjacent one-dimensional image elements and the two-dimensional image elements are the same; the aperture widths of the one-dimensional pinholes and the two-dimensional pinholes are the same; spacing width between adjacent one-dimensional image elements and two-dimensional image elementsaSatisfies the following formula:
wherein,wis the aperture width of the one-dimensional pinholes and the two-dimensional pinholes,lis the viewing distance, the distance between the viewer,gis the distance between the display screen and the composite pinhole array.
Preferably, the width of a one-dimensional picture elementqAnd the spacing width between adjacent one-dimensional image elements and two-dimensional image elementsaRespectively as follows:
wherein,pis the pitch of the one-dimensional pinholes and the two-dimensional pinholes,wis the aperture width of the one-dimensional pinholes and the two-dimensional pinholes,lis the viewing distance, the distance between the viewer,gis the distance between the display screen and the composite pinhole array.
Preferably, the viewing perspective of the integrated imaging 3D displayθAnd optical efficiencyφRespectively as follows:
wherein,pis the pitch of the one-dimensional pinholes and the two-dimensional pinholes,wis the aperture width of the one-dimensional pinholes and the two-dimensional pinholes,qis the width of the one-dimensional picture element,gis the distance between the display screen and the composite pinhole array,lis the viewing distance, the distance between the viewer,mis the sum of the number of one-dimensional pinholes and two-dimensional pinholes in the horizontal direction.
Preferably, the width of a one-dimensional picture elementqAnd the spacing width between adjacent one-dimensional image elements and two-dimensional image elementsaRespectively as follows:
wherein,pis aThe pitch of the dimensional pinholes and the two-dimensional pinholes,wis the aperture width of the one-dimensional pinholes and the two-dimensional pinholes,lis the viewing distance, the distance between the viewer,gis the distance between the display screen and the composite pinhole array.
Preferably, the viewing perspective of the integrated imaging 3D displayθAnd optical efficiencyφRespectively as follows:
wherein,pis the pitch of the one-dimensional pinholes and the two-dimensional pinholes,wis the aperture width of the one-dimensional pinholes and the two-dimensional pinholes,qis the width of the one-dimensional picture element,gis the distance between the display screen and the composite pinhole array,lis the viewing distance, the distance between the viewer,mis the sum of the number of one-dimensional pinholes and two-dimensional pinholes in the horizontal direction.
The pitch of the one-dimensional pinholes and the two-dimensional pinholes is 10mm, the aperture width of the one-dimensional pinholes and the aperture width of the two-dimensional pinholes are 2mm, the distance between the display screen and the composite pinhole array is 10mm, the viewing distance is 500mm, and the sum of the number of the one-dimensional pinholes and the number of the two-dimensional pinholes in the horizontal direction is 10, so that the width of the one-dimensional image element and the spacing width between the adjacent one-dimensional image element and the two-dimensional image element are respectively 7.96mm and 2.04mm through calculation in the formulas (2) and (3); the viewing angle and the optical efficiency of the integrated imaging 3D display are respectively 44 degrees and 15.7 percent through calculation of the formulas (4) and (5); the viewing angle and optical efficiency of the prior art solutions based on the above parameters are 34 °, 12%, respectively.
The pitch of the one-dimensional pinholes and the two-dimensional pinholes is 10mm, the aperture width of the one-dimensional pinholes and the aperture width of the two-dimensional pinholes are 2mm, the distance between the display screen and the composite pinhole array is 10mm, the viewing distance is 500mm, and the sum of the number of the one-dimensional pinholes and the number of the two-dimensional pinholes in the horizontal direction is 10, so that the width of the one-dimensional image element and the spacing width between the adjacent one-dimensional image element and the two-dimensional image element are respectively 5.96mm and 4.04mm through calculation in the formulas (6) and (7); the viewing angle and the optical efficiency of the integrated imaging 3D display are respectively 34 degrees and 22.4 percent through calculation of the formulas (8) and (9); the viewing angle and optical efficiency of the prior art solutions based on the above parameters are 34 °, 12%, respectively.
Claims (6)
1. The 3D display method based on the discrete composite image element array realizes 3D display through integrated imaging display equipment; the integrated imaging display device is characterized by comprising a display screen and a composite pinhole array; the composite pinhole array is positioned in front of the display screen; the center of the composite pinhole array is correspondingly aligned with the center of the display screen; the display screen is used for displaying the discrete composite image element array; the discrete composite image element array comprises a plurality of discretely arranged one-dimensional image elements and two-dimensional image elements; the one-dimensional image elements and the two-dimensional image elements are alternately arranged in a separated mode in the horizontal direction and the vertical direction; the composite pinhole array comprises one-dimensional pinholes and two-dimensional pinholes; the one-dimensional pinholes and the two-dimensional pinholes are alternately arranged in the horizontal direction and the vertical direction; the centers of the one-dimensional image elements are correspondingly aligned with the centers of the corresponding one-dimensional pinholes; the one-dimensional image element reconstructs a one-dimensional 3D image through the corresponding one-dimensional pinhole, and light rays emitted by the two-dimensional image element adjacent to the one-dimensional image element cannot interfere with the one-dimensional 3D image reconstructed by the one-dimensional image element; the centers of the two-dimensional image elements are correspondingly aligned with the centers of the corresponding two-dimensional pinholes; the two-dimensional image element reconstructs a two-dimensional 3D image through the corresponding two-dimensional pinhole, and light rays emitted by the one-dimensional image element adjacent to the two-dimensional image element cannot interfere with the two-dimensional 3D image reconstructed by the two-dimensional image element; the one-dimensional 3D image and the two-dimensional 3D image are combined into one 3D image at the viewing area.
2. The method for 3D display based on discrete composite image element array as claimed in claim 1, wherein the width of the one-dimensional image element and the two-dimensional image element are the same; the pitches of the one-dimensional pinholes and the two-dimensional pinholes are the same; the spacing widths of the adjacent one-dimensional image elements and the two-dimensional image elements are the same; the aperture widths of the one-dimensional pinholes and the two-dimensional pinholes are the same; spacing width between adjacent one-dimensional image elements and two-dimensional image elementsaSatisfies the following formula:
wherein,wis the aperture width of the one-dimensional pinholes and the two-dimensional pinholes,lis the viewing distance, the distance between the viewer,gis the distance between the display screen and the composite pinhole array.
3. The method of claim 2, wherein the width of one-dimensional image elements is larger than that of the discrete composite image elementsqAnd the spacing width between adjacent one-dimensional image elements and two-dimensional image elementsaRespectively as follows:
wherein,pis the pitch of the one-dimensional pinholes and the two-dimensional pinholes,wis the aperture width of the one-dimensional pinholes and the two-dimensional pinholes,lis the viewing distance, the distance between the viewer,gis the distance between the display screen and the composite pinhole array.
4. The method of claim 3, wherein the viewing perspective of the 3D display is integrated with the imaging 3D displayθAnd optical efficiencyφRespectively as follows:
wherein,pis the pitch of the one-dimensional pinholes and the two-dimensional pinholes,wis the aperture width of the one-dimensional pinholes and the two-dimensional pinholes,qis the width of the one-dimensional picture element,gis the distance between the display screen and the composite pinhole array,lis the viewing distance, the distance between the viewer,mis the sum of the number of one-dimensional pinholes and two-dimensional pinholes in the horizontal direction.
5. The method of claim 2, wherein the width of one-dimensional image elements is larger than that of the discrete composite image elementsqAnd the spacing width between adjacent one-dimensional image elements and two-dimensional image elementsaRespectively as follows:
wherein,pis the pitch of the one-dimensional pinholes and the two-dimensional pinholes,wis the aperture width of the one-dimensional pinholes and the two-dimensional pinholes,lis the viewing distance, the distance between the viewer,gis the distance between the display screen and the composite pinhole array.
6. The method of claim 5, wherein the viewing perspective of the 3D display is integrated with the imaging 3D displayθAnd optical efficiencyφRespectively as follows:
wherein，pIs the pitch of the one-dimensional pinholes and the two-dimensional pinholes,wis the aperture width of the one-dimensional pinholes and the two-dimensional pinholes,qis the width of the one-dimensional picture element,gis the distance between the display screen and the composite pinhole array,lis the viewing distance, the distance between the viewer,mis the sum of the number of one-dimensional pinholes and two-dimensional pinholes in the horizontal direction.
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| CN110325892A (en) * | 2017-05-26 | 2019-10-11 | 谷歌有限责任公司 | Nearly eye with sparse sampling super-resolution is shown |
| CN111781737A (en) * | 2020-08-30 | 2020-10-16 | 成都工业学院 | High-resolution double-view 3D display device and method |
| CN112106354A (en) * | 2018-04-25 | 2020-12-18 | 拉修姆有限公司 | Architecture for light emitting elements in light field displays |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20050259323A1 (en) * | 2004-02-10 | 2005-11-24 | Rieko Fukushima | Three-dimensional image display device |
| CN110325892A (en) * | 2017-05-26 | 2019-10-11 | 谷歌有限责任公司 | Nearly eye with sparse sampling super-resolution is shown |
| CN112106354A (en) * | 2018-04-25 | 2020-12-18 | 拉修姆有限公司 | Architecture for light emitting elements in light field displays |
| CN108681091A (en) * | 2018-08-13 | 2018-10-19 | 成都工业学院 | With vision area high-resolution double vision 3D display device and method |
| CN111781737A (en) * | 2020-08-30 | 2020-10-16 | 成都工业学院 | High-resolution double-view 3D display device and method |
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