18401537. DETERMINING LIGHTING INFORMATION FOR RENDERING A SCENE IN COMPUTER GRAPHICS USING ILLUMINATION POINT SAMPLING simplified abstract (Imagination Technologies Limited)

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DETERMINING LIGHTING INFORMATION FOR RENDERING A SCENE IN COMPUTER GRAPHICS USING ILLUMINATION POINT SAMPLING

Organization Name

Imagination Technologies Limited

Inventor(s)

Cuneyt Ozdas of San Francisco CA (US)

Luke Tilman Peterson of San Francisco CA (US)

DETERMINING LIGHTING INFORMATION FOR RENDERING A SCENE IN COMPUTER GRAPHICS USING ILLUMINATION POINT SAMPLING - A simplified explanation of the abstract

This abstract first appeared for US patent application 18401537 titled 'DETERMINING LIGHTING INFORMATION FOR RENDERING A SCENE IN COMPUTER GRAPHICS USING ILLUMINATION POINT SAMPLING

Simplified Explanation: The patent application describes a rendering system that combines point sampling and volume sampling operations to generate rendering outputs in a 3-D scene.

Key Features and Innovation:

  • Point sampling operations are conducted in a volume around a surface location to determine color information.
  • Volumetric light transport data sampling operations are performed farther from the surface location.
  • A transition zone blends point and volume sampling operations.
  • Data from both sampling operations are blended to determine color information for the surface location.
  • Point samples are obtained by tracing rays to identify intersections with other surfaces, while volume samples are obtained from nested 3-D grids of volume elements expressing light transport data.

Potential Applications: This technology can be used in computer graphics, virtual reality, augmented reality, and simulation applications.

Problems Solved: The system addresses the challenge of accurately determining color information for surface locations in complex 3-D scenes.

Benefits:

  • Improved rendering quality in 3-D scenes.
  • Enhanced realism in computer-generated imagery.
  • More efficient rendering processes.

Commercial Applications: Potential commercial applications include video game development, movie production, architectural visualization, and medical imaging.

Prior Art: Readers can explore prior art related to rendering systems, point sampling, volume sampling, and light transport data in computer graphics and visualization.

Frequently Updated Research: Stay informed about the latest advancements in rendering techniques, sampling algorithms, and light transport simulations relevant to this technology.

Questions about Rendering Systems: 1. How does the blending of point and volume sampling operations improve rendering quality? 2. What are the key differences between point sampling and volume sampling in rendering systems?


Original Abstract Submitted

Rendering system combines point sampling and volume sampling operations to produce rendering outputs. For example, to determine color information for a surface location in a 3-D scene, one or more point sampling operations are conducted in a volume around the surface location, and one or more sampling operations of volumetric light transport data are performed farther from the surface location. A transition zone between point sampling and volume sampling can be provided, in which both point and volume sampling operations are conducted. Data obtained from point and volume sampling operations can be blended in determining color information for the surface location. For example, point samples are obtained by tracing a ray for each point sample, to identify an intersection between another surface and the ray, to be shaded, and volume samples are obtained from a nested 3-D grids of volume elements expressing light transport data at different levels of granularity.

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