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Multi-projection three-dimensional display device and method based on pupil compounding

A three-dimensional display and multi-projection technology, which is applied in projection devices, optics, photography, etc., can solve the problems of limited development and application, and cannot reach all scenes, so as to improve the narrow projection angle, satisfy multiple viewing angles, and expand the output The effect of the angle

Inactive Publication Date: 2017-01-04
ZHEJIANG UNIV +1
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Problems solved by technology

However, this device has certain defects: due to the limitation of the projection angle of the projector itself, the audience can only see a specific part of the reconstructed scene at a position, but cannot reach the theoretical whole scene, which greatly limits Further development and application of the technology

Method used

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  • Multi-projection three-dimensional display device and method based on pupil compounding

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but the protection scope of the present invention should not be limited thereby.

[0029] see first figure 1 , figure 1 It is a schematic diagram of the visible area of ​​the multi-projection three-dimensional display technology based on pupil compounding used in the present invention. The size of the visible area range W has the following relationship with the half-open angle θ of the projector:

[0030] W = 2 * D * tan ( arcsin ( R * sin θ D ) )

[0031] R is the radius of the arc surface where the multi-projection array is located, and D is the distance from the human eye to the longitudinally oriented scattering sc...

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Abstract

The invention discloses a multi-projection three-dimensional display device based on pupil recombination, which includes a multi-projection array arranged in sequence along the optical path, a longitudinally oriented scattering screen, and a controller connected to the multi-projection array; the multi-projection array consists of The projector combination units located on the same arc surface and arranged at equal intervals are composed of each projector combination unit consisting of a plurality of stacked projectors, and each projector has a different pupil orientation angle. The invention also discloses a multi-projection three-dimensional display method based on pupil compounding. The present invention effectively expands the output angle of the projector combination through the angle splicing of the projectors in the projector combination unit, improves the defect caused by the narrow projection angle of the projector, and increases the size of the area seen by the observer in the observation area. So that the observer can get a better visual experience.

Description

technical field [0001] The invention relates to the technical field of large-scale three-dimensional display, in particular to a multi-projection three-dimensional display device and method based on pupil recombination. Background technique [0002] Compared with other human senses, visual perception is considered to be one of the most important channels for people to obtain information. Therefore, the research on display technology has attracted more and more attention from the academic community. Reconstructing virtual 3D scenes in real space has always been the goal of human beings, because it can provide more intuitive visual experience, richer details, and more expressive scenes, which is the development trend of future display technology. At present, 3D display technologies are mainly divided into four categories: stereoscopic 3D display technology, auto-stereoscopic 3D display technology, volumetric 3D display technology, light field 3D display technology, and hologra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B35/20G03B21/56
Inventor 李海峰陈贝石钟擎刘旭于超杨陈楹夏军王保平
Owner ZHEJIANG UNIV
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