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Title:
METHOD AND APPARATUS FOR SUPPORTING IMAGE RENDERING USING RAY TRACING 
Document Type and Number:
WIPO Patent Application WO/2023/116559
Kind Code:
A1
Abstract:
There is provided a method and apparatus for supporting an image rendering using ray tracing. For at least some elements (e.g. pixels), ray tracing results for previously evaluated elements are used to predict ray tracing results for the current element. These previously evaluated elements can be elements which are proximate to the current element. Feasibility testing and prediction can be performed to determine whether a prediction can be made, and the ray hit test and the opaqueness testing can determine whether the prediction is valid. If testing fails, a full ray tracing operation can be performed for the current element. The operations can be implemented using multithreading. Ray tracing patterning and resolution of elements used for prediction purposes can be adjusted based on prior performance.

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WO/2023/129286COMMON CIRCUITRY FOR TRIANGLE INTERSECTION AND INSTANCE TRANSFORMATION FOR RAY TRACING
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Inventors:
NOWICKI TYLER BRYCE (CA)
PANKRATZ DAVID (CA)
Application Number:
PCT/CN2022/139480
Publication Date:
June 29, 2023
Filing Date:
December 16, 2022
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G06T15/06
Foreign References:
US20150042651A12015-02-12
US10360720B12019-07-23
CN109215106A2019-01-15
US20210335031A12021-10-28
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