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:
Nov. 12, 2024

Filed:

Aug. 19, 2021
Applicant:

Alibaba Group Holding Limited, Grand Cayman, KY;

Inventors:

Jie Chen, Beijing, CN;

Yan Ye, San Diego, CA (US);

Ru-Ling Liao, Beijing, CN;

Xinwei Li, Beijing, CN;

Assignee:

Alibaba Group Holding Limited, Grand Cayman, KY;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/50 (2014.01); H04N 19/176 (2014.01);
U.S. Cl.
CPC ...
H04N 19/50 (2014.11); H04N 19/176 (2014.11);
Abstract

The present disclosure provides intra prediction methods for video or image coding. An exemplary method includes: performing an intra predicting process for a target block, wherein performing the intra predicting process comprises: determining an intra prediction mode for the target block; in response to the intra prediction mode is an angular mode, determining a filtered value by applying an N-tap interpolation filter to a plurality of reference samples surrounding the target block based on the angular mode, wherein N is an integer greater than 4; and determining a predicted value of a sample of the target block based on the filtered value.


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