Dynamic mesh vertex displacements coding

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12256100
APP PUB NO 20240007670A1
SERIAL NO

18315020

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Abstract

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A method and apparatus that derives a curve of a mesh sequence from a frame of a video bitstream, the curve comprising a plurality of vertices; subdivides the curve by adding a plurality of subdivided vertices; calculates one or more displacement vectors between each of the plurality of vertices on the curve and each of the plurality of subdivided vertices on the subdivided curve; transforms the one or more displacement vectors to output one or more original coefficients; tracks the current frame with a previous frame to obtain a one-to-one correspondence between the plurality of vertices of the current frame and a plurality of vertices of the previous frame; predicts one or more coefficients of each of the plurality of vertices in current frame based on the one-to-one correspondence; performs entropy coding on one or more prediction residues; and encodes the one or more prediction residues.

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Patent Owner(s)

  • TENCENT AMERICA LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huang, Chao Palo Alto, US 185 921
Liu, Shan Palo Alto, US 2032 11274
Tian, Jun Palo Alto, US 339 2974
Xu, Xiaozhong Palo Alto, US 624 4669
Zhang, Xiang Palo Alto, US 387 2583

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