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Holographic image generation and display method and device

A technology of holographic image and display method, which is applied in the field of holographic system, achieves great flexibility and realizes the effect of holographic display at all viewpoints

Inactive Publication Date: 2018-09-14
香港光云科技有限公司
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Problems solved by technology

The above method can only be used for the holographic display of a predetermined few viewpoints, which has great limitations in the design of 3D display

Method used

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  • Holographic image generation and display method and device
  • Holographic image generation and display method and device
  • Holographic image generation and display method and device

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Embodiment Construction

[0027] In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

[0028] refer to figure 1 , the present invention discloses a holographic image generation method 100, comprising the following steps: (11) acquiring depth image data according to the original image; (12) acquiring simulated light field data: establishing a light field model based on the depth image data (such as figure 2 shown), the light field model includes at least one display surface, a 3D image located in front of the display surface, and a corresponding observation surface located in front of the 3D image, and at least two virtual viewpoints are set on the observation surface, with the display surface as Illumination of the starting point, establishing several ray models emitted from the display surface through each pixel of the 3D ...

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Abstract

The invention discloses a holographic image generation method, and the method comprises the following steps: (1), acquiring depth image data according to an original image; (2), acquiring simulated light field data: establishing a light field model according to the depth image data (the light field model including at least one display surface, a 3D image located in front of the display surface, and a corresponding viewing surface located in front of the 3D image), setting at least two virtual viewpoints on the viewing surface, taking the display surface as an illumination starting point, building a plurality of ray models with rays starting from the display surface to pass through each pixel of the 3D image to each virtual viewpoint, determining a vector of rays passing through the pixel according to the light intensity of the corresponding pixel, and acquiring simulated light field data including angle, position and length data of the plurality of rays; (3), generating holographic image data based on simulated light field data. According to the invention, the light field model is taken as a general architecture for generating holographic image data, thereby providing the high flexibility for the design of 3D display.

Description

technical field [0001] The invention relates to a holographic system, in particular to a method and device for generating and displaying a holographic image. Background technique [0002] The known holographic image display device utilizes the holographic feeling produced by the image viewer's binocular observation of the image with correct parallax. From the appearance of the display device, it can be simply divided into a glasses system and a naked-eye system. The glasses system directly inputs parallax images to the left and right eyes, while the glasses-free system is a holographic display device that can be observed without glasses. [0003] The glasses holographic system adopts a separate (active and passive) method, so that the binoculars can observe the correct left and right views, and there is no problem of holographic image arrangement. In the holographic image display device of the naked eye system, except for the holographic projection device, the others can be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/50G06T15/50G06T17/00
CPCG06T15/50G06T17/00G06T7/50
Inventor 谢永明
Owner 香港光云科技有限公司
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