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. 02, 2025

Filed:

Mar. 25, 2020
Applicant:

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

Inventors:

Louis Kerofsky, San Diego, CA (US);

Yuwen He, San Diego, CA (US);

Philippe Hanhart, La Conversion, CH;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/12 (2014.01); H04N 19/126 (2014.01); H04N 19/14 (2014.01); H04N 19/176 (2014.01); H04N 19/18 (2014.01); H04N 19/60 (2014.01);
U.S. Cl.
CPC ...
H04N 19/12 (2014.11); H04N 19/126 (2014.11); H04N 19/14 (2014.11); H04N 19/176 (2014.11); H04N 19/18 (2014.11); H04N 19/60 (2014.11);
Abstract

Systems, methods, and instrumentalities are disclosed for obtaining coded video data comprising quantized transform coefficients for a plurality of blocks, obtaining a first precision factor associated with a first block for performing at least one decoding function on the first block, obtaining a second precision factor associated with a second block for performing the at least one decoding function on the second block, and performing the at least one decoding function on the quantized transform coefficients for the first block using the first precision factor and on the quantized transform coefficients for the second block using the second precision factor.


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