Virtual light ray tracing method and light field dynamical refocusing display system

A technology of ray tracing and display system, applied in the field of image rendering, to achieve the effect of reducing computational complexity and simplifying the intersection retrieval process

Active Publication Date: 2017-12-08
PLEX VR DIGITAL TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to solve the existing problems, the present invention aims to provi

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  • Virtual light ray tracing method and light field dynamical refocusing display system
  • Virtual light ray tracing method and light field dynamical refocusing display system
  • Virtual light ray tracing method and light field dynamical refocusing display system

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Embodiment Construction

[0037] The present invention will be further described now in conjunction with accompanying drawing.

[0038] This embodiment is different from the traditional ray tracing algorithm. Only one full-focus photo and its corresponding depth map are needed to achieve the same effect, which greatly simplifies the calculation; the following will show the random retrieval algorithm of statistical prior probability, Finally, a complete description of the virtual ray tracing method that can generate the effect comparable to that of the SLR camera is given.

[0039]In the real world, when the human eye 310 is watching a three-dimensional world, the upper and lower rectus muscles, the medial and lateral rectus muscles and the upper and lower oblique muscles can control the rotation of the eyeball, so that the human eye 310 can see scenes in different directions or Target. However, because the existing virtual reality helmets cannot locate the rotation direction of the human eye, the dire...

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Abstract

The present invention relates to a virtual light ray tracing method and a light field dynamical refocusing display system. Light ray information acquisition is to randomly retrieve a pixel point on a full-focal image, so as to reduce a quantity of light ray samples; and/or a surface of an object is supposed to be smooth to simplify intersection retrieval. The system comprises a virtual reality display content processor, a virtual reality display, an eyeball tracker, an eyeball tracking information processor and a light field refocusing processor. The method and the system provided by the present invention reduce the complexity of calculation, wherein erroneous samples can be replaced automatically to obtain authentic and accurate refocusing, and dynamic focusing can be performed according to the direction of focus, and the user can focus on objects within different distances, which coincides with the observation features of human eyes.

Description

technical field [0001] The invention relates to the technical field of image rendering, in particular to a virtual ray tracing method and a light field dynamic refocusing display system. Background technique [0002] The ray tracing algorithm is a realistic graphics generation method proposed in 1980, which can generate high-quality realistic graphics. It is currently one of the commonly used algorithms for three-dimensional realistic graphics; the ray tracing algorithm is actually an approximate inverse of the physical process of light illumination. The process, which can track specular light rays and regular transmission between objects, simulates the propagation of light on an ideal surface. [0003] see Figure 1a , Figure 1a shows the ray-tracing method for the pinhole image and the depth map, assuming the depth range of the scene is [z 0 ,z 1 ](z 1 >z 0 >0), where z 1 It can be infinite, and the distance from the photosensitive sheet to the pinhole is s. s...

Claims

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Application Information

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IPC IPC(8): G06T7/50G06F3/01G02B27/01
CPCG02B27/0101G02B2027/014G06F3/013G06T2207/10052G02B27/0093G06F3/011G06F3/04815G06F1/163G06T7/20G06T15/06G06T2207/30201G02B30/34
Inventor 虞启铭曹煊
Owner PLEX VR DIGITAL TECH CO LTD
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