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:
Dec. 05, 2023

Filed:

Jul. 28, 2020
Applicant:

Alibaba Group Holding Limited, Grand Cayman, KY;

Inventors:

Xinwei Li, San Mateo, CA (US);

Ru-Ling Liao, Beijing, CN;

Yamei Chen, Beijing, CN;

Jie Chen, Beijing, CN;

Yan Ye, San Mateo, CA (US);

Jiancong Luo, San Mateo, CA (US);

Assignee:

Alibaba Group Holding Limited, Grand Cayman, KY;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/176 (2014.01); H04N 19/593 (2014.01);
U.S. Cl.
CPC ...
H04N 19/593 (2014.11); H04N 19/176 (2014.11);
Abstract

The present disclosure provides methods for performing simplified matrix weighted intra prediction. The method can include: determining a classification of a target block; and generating, based on the classification, a matrix-weighted intra prediction (MIP) signal, wherein determining the classification of the target block comprises: in response to the target block having a size of 4×4, determining that the target block belongs to a first class; or in response to the target block having a size of 8×8, 4×N or N×4, N being an integer between 8 and 64, determining that the target block belongs to a second class.


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