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:
Feb. 18, 2025
Filed:
Jul. 13, 2023
Sun Patent Trust, New York, NY (US);
Hisao Sasai, Kanagawa, JP;
Takahiro Nishi, Nara, JP;
Youji Shibahara, Osaka, JP;
Toshiyasu Sugio, Osaka, JP;
Kyoko Tanikawa, Osaka, JP;
Toru Matsunobu, Osaka, JP;
SUN PATENT TRUST, New York, NY (US);
Abstract
The image decoding method includes: determining a context for use in a current block to be processed, from among a plurality of contexts; and performing arithmetic decoding on a bit sequence corresponding to the current block, using the determined context, wherein in the determining: the context is determined under a condition that control parameters of neighboring blocks of the current block are used, when the signal type is a first type, the neighboring blocks being a left block and an upper block of the current block; and the context is determined under a condition that the control parameter of the upper block is not used, when the signal type is a second type, and the second type is one of 'ref_idx_l0' and “ref_idx_l1”.