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:
May. 27, 2025
Filed:
Apr. 13, 2023
Applicant:
Fraunhofer-gesellschaft Zur Förderung Der Angewandten Forschung E.v., Munich, DE;
Inventors:
Heiko Schwarz, Berlin, DE;
Thomas Wiegand, Berlin, DE;
Phan Hoang Tung Nguyen, Berlin, DE;
Detlev Marpe, Berlin, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/13 (2014.01); H04N 19/169 (2014.01); H04N 19/18 (2014.01); H04N 19/46 (2014.01); H04N 19/91 (2014.01);
U.S. Cl.
CPC ...
H04N 19/13 (2014.11); H04N 19/18 (2014.11); H04N 19/1887 (2014.11); H04N 19/46 (2014.11); H04N 19/91 (2014.11);
Abstract
Concepts are presented which achieve a more efficient coding of coefficients of a transform block by use of dependent quantization and context adaptive entropy coding or achieve a coding of coefficients of a transform block in a manner which allows a more efficient coding even if a usage of dependent quantization is combined with the usage of context adaptive entropy coding.