US Patent 11889108 Gradient computation in bi-directional optical flow
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US Patent 11889108 Gradient computation in bi-directional optical flow
Article
Patent abstract
Gradient computation in Bi-directional optical flow are described. In a representative aspect, a method of video processing including: modifying temporal gradients in a motion vectors refinement process of a video block or sub-blocks within the video block; and performing the motion vectors refinement process of the video block or the sub-blocks within the video block based on the modified temporal gradients.
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Patent Number
Patent Inventor Names
Hongbin Liu0
Kai Zhang0
Li Zhang0
Yue Wang0
Date of Patent
January 30, 2024
0Patent Application Number
172255040
Date Filed
April 8, 2021
0Patent Citations
Patent Primary Examiner
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