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Based on spherical holographic two -dimensional angle reuse method

A two-dimensional angle, holographic technology, applied in the field of generation and reconstruction of computational holography, to achieve high reconstruction quality, improve the efficiency of angle multiplexing, and expand the reproduction perspective.

Active Publication Date: 2022-01-11
SICHUAN UNIV
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Problems solved by technology

[0003] Aiming at the problem of angle multiplexing in the above-mentioned calculation hologram generation and reconstruction process, the present invention proposes a two-dimensional angle multiplexing method based on spherical holography

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  • Based on spherical holographic two -dimensional angle reuse method
  • Based on spherical holographic two -dimensional angle reuse method
  • Based on spherical holographic two -dimensional angle reuse method

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Embodiment Construction

[0020] A typical embodiment of a spherical holography-based two-dimensional angle multiplexing method of the present invention will be described in detail below, and the method will be further described in detail. It is necessary to point out here that the following examples are only used to further illustrate the method, and cannot be interpreted as limiting the protection scope of the method. Those skilled in the art make some non-essential aspects of the method according to the method content above. Improvements and adjustments still belong to the protection scope of the present invention.

[0021] The invention proposes a two-dimensional angle multiplexing method based on spherical holography, which includes two parts: a spherical diffraction calculation model based on phase compensation and a two-dimensional angle multiplexing and reconstruction method.

[0022] The described spherical diffraction calculation model based on phase compensation is as follows: figure 1 and ...

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Abstract

The invention proposes a two-dimensional angle multiplexing method based on spherical holography. The method includes two parts: a spherical diffraction calculation model based on phase compensation and a two-dimensional angle multiplexing and reconstruction method. In this method, the phase compensation method is used to obtain the diffraction field distribution of the target spherical segment quickly. In the two-dimensional angle multiplexing, it is only necessary to use the change of the two-dimensional opening angle parameters of the spherical hologram to realize the two-dimensional angle multiplexing, and directly superimpose multiple holograms to obtain the final hologram; when reconstructing It only needs to reproduce and reconstruct according to different opening angle parameters to obtain images of different perspectives of the object. The beneficial effect of this method is that compared with the traditional angle multiplexing method, the two-dimensional angle multiplexing method based on spherical holography can effectively improve the efficiency of angle multiplexing, and the reconstruction quality is high, which is an effective way to expand the reproduction angle of view .

Description

technical field [0001] The invention relates to a holographic display technology, in particular to a calculation holographic generation and reconstruction method. Background technique [0002] As an ideal true three-dimensional display technology, holographic display has been receiving great attention. Computational holography has become a recent research hotspot because it can record both real objects and virtual objects. However, computational holography has a technical problem that needs to be solved urgently. This problem is that computational holography is inevitably troubled by the reproduction perspective. The reason for the limitation of the reproduction viewing angle is that the pixel of the spatial light modulation device used in reproduction has a certain physical size, which inevitably determines the reproduction viewing angle. The angle multiplexing of incident light has a certain effect on expanding the viewing angle, but it is still not ideal. Therefore, in...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03H1/08G03H1/00G06T15/06
CPCG03H1/0866G03H1/0005G06T15/06G03H2001/0088G03H2001/0883
Inventor 王君刘婵娟
Owner SICHUAN UNIV
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