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.
Patent No.:
Date of Patent:
Nov. 18, 2025
Filed:
Dec. 23, 2021
Applicant:
Beijing Dajia Internet Information Technology Co., Ltd., Beijing, CN;
Inventors:
Yi-Wen Chen, San Diego, CA (US);
Tsung-Chuan Ma, San Diego, CA (US);
Xianglin Wang, San Diego, CA (US);
Xiaoyu Xiu, San Diego, CA (US);
Assignee:
Beijing Dajia Internet Information Technology Co., Ltd., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/156 (2014.01); H04N 19/157 (2014.01); H04N 19/176 (2014.01); H04N 19/70 (2014.01);
U.S. Cl.
CPC ...
H04N 19/157 (2014.11); H04N 19/176 (2014.11); H04N 19/70 (2014.11);
Abstract
Methods and apparatuses are provided for video coding with lossless coding modes. The method includes: partitioning a video picture into a plurality of CUs comprising a lossless CU; determining a residual coding block size of the lossless CU; and in response to determining that the residual coding block size of the lossless CU is greater than a predefined maximum value, splitting the residual coding block into two or more residual blocks for residual coding.