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:
Jan. 02, 2024

Filed:

Jan. 15, 2021
Applicant:

Dolby International Ab, Amsterdam Zuidoost, NL;

Inventors:

Jiuhuai Lu, Palos Verdes, CA (US);

Tao Chen, Diamond Bar, CA (US);

Yoshiichiro Kashiwagi, Arcadia, CA (US);

Shinya Kadono, Nishinomiya, JP;

Chong Soon Lim, Singapore, SG;

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

A moving picture coding apparatusincludes: a quantization matrix holding unit () that holds a quantization matrix (WM) which has already been transmitted in a parameter set and a matrix ID for identifying the quantization matrix (WM), which are associated with each other; and a variable length coding unit () that obtains the matrix ID corresponding to the quantization matrix (WM) used for quantization from the quantization matrix holding unit () and places the matrix ID in a coded stream Str.


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