The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 07, 2023

Filed:

Jul. 01, 2021
Applicant:

Tencent America Llc, Palo Alto, CA (US);

Inventors:

Yiming Li, Wuhan, CN;

Xiaozhong Xu, State College, PA (US);

Zhenzhong Chen, Wuhan, CN;

Shan Liu, San Jose, CA (US);

Assignee:

TENCENT AMERICA LLC, Palo Alto, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/11 (2014.01); H04N 19/129 (2014.01); H04N 19/159 (2014.01); H04N 19/176 (2014.01);
U.S. Cl.
CPC ...
H04N 19/159 (2014.11); H04N 19/11 (2014.11); H04N 19/129 (2014.11); H04N 19/176 (2014.11);
Abstract

A method of controlling intra prediction for decoding or encoding of a video sequence, is by at least one processor and includes obtaining an index of an intra prediction mode of a current block of the video sequence, obtaining a coefficient scanning direction based on the obtained index, using a first look up table indicating a mapping between a plurality of indices of a plurality of intra prediction modes and respective coefficient scanning directions, and performing a coefficient scanning of the current block, based on the obtained coefficient scanning direction.


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