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. 24, 2024

Filed:

Sep. 19, 2019
Applicant:

Interdigital Vc Holdings, Inc., Wilmington, DE (US);

Inventors:

Philippe De Lagrange, Betton, FR;

Karam Naser, Mouaze, FR;

Philippe Bordes, Laille, FR;

Assignee:

InterDigital VC Holdings, Inc., Wilmington, DE (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/156 (2014.01); H04N 19/105 (2014.01); H04N 19/132 (2014.01); H04N 19/164 (2014.01); H04N 19/172 (2014.01); H04N 19/176 (2014.01); H04N 19/186 (2014.01); H04N 19/187 (2014.01); H04N 19/31 (2014.01); H04N 19/37 (2014.01); H04N 19/46 (2014.01); H04N 19/587 (2014.01); H04N 19/70 (2014.01);
U.S. Cl.
CPC ...
H04N 19/132 (2014.11); H04N 19/105 (2014.11); H04N 19/176 (2014.11); H04N 19/186 (2014.11); H04N 19/70 (2014.11);
Abstract

A decoding method is disclosed. A quantization parameter of at least one luma block is obtained. The at least one luma block comprises a luma sample co-located with at least one chroma sample selected in a current chroma block. The luma and chroma blocks are coded in dual tree mode. A quantization parameter of the current chroma block is then determined responsive to the quantization parameter of the at least one luma block. Finally, the current chroma block is decoded using the quantization parameter of the current chroma block.


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