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:
Sep. 20, 2022

Filed:

Aug. 18, 2020
Applicant:

Tencent Technology (Shenzhen) Company Limited, Shenzhen, CN;

Inventors:

Xinwei Gao, Shenzhen, CN;

Xunan Mao, Shenzhen, CN;

Chenchen Gu, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/146 (2014.01); H04N 19/124 (2014.01); H04N 19/132 (2014.01); H04N 19/172 (2014.01); H04N 19/42 (2014.01);
U.S. Cl.
CPC ...
H04N 19/146 (2014.11); H04N 19/124 (2014.11); H04N 19/132 (2014.11); H04N 19/172 (2014.11); H04N 19/42 (2014.11);
Abstract

A video coding method is provided. The method includes obtaining an input video frame, obtaining a sampling parameter corresponding to the input video frame, determining downsampling information according to the sampling parameter, and encoding the input video frame according to the downsampling information to obtain encoded data corresponding to the input video frame, where determining the downsampling information includes: in response to determining the input video frame includes a B-frame, selecting a first downsampling proportion for the B-frame; and in response to determining the input video frame includes a P-frame, selecting a second downsampling proportion for the P-frame, the second downsampling proportion is lower than the first downsampling proportion, and the first and the second downsampling proportions are part of the downsampling information.


Find Patent Forward Citations

Loading…