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US Patent 11509929 Multi-iteration motion vector refinement method for video processing

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Is a

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

Date of Patent

November 22, 2022

Patent Application Number

17225433

Date Filed

April 8, 2021

Patent Citations

US Patent 10341677 Method and apparatus for processing video signals using inter-view inter-prediction

US Patent 10477237 Decoder side motion vector refinement in video coding

US Patent 10523964 Inter prediction refinement based on bi-directional optical flow (BIO)

US Patent 10645382 Video processing method, encoding device, and decoding device

US Patent 10687069 Adjustments to encoding and decoding when switching color spaces

US Patent 10701366 Deriving motion vector information at a video decoder

US Patent 10764592 Inter-layer residual prediction

US Patent 10779002 Limitation of the MVP derivation based on decoder-side motion vector derivation

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Patent Citations Received

US Patent 12132885 Multiple inter predictors with decoder side motion vector derivation for video coding

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US Patent 11632566 Inter prediction with refinement in video processing

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US Patent 11641467 Sub-block based prediction

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US Patent 11838539 Utilization of refined motion vector

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US Patent 11843725 Using combined inter intra prediction in video processing

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US Patent 11889108 Gradient computation in bi-directional optical flow

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US Patent 11910004 Difference calculation based on partial position

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US Patent 11930165 Size dependent inter coding

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Patent Primary Examiner

Jessica M Prince

CPC Code

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A method for video processing includes: refining motion information of a video block by using a multi-step refinement processing, multiple refined motion vectors (MVs) of the video block being derived iteratively in respective steps of the multi-step refinement processing, and performing a video processing on the video block based on the multiple refined MVs of the video block.

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