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:
Jul. 22, 2025
Filed:
Apr. 25, 2024
Applicant:
Kt Corporation, Gyeonggi-do, KR;
Inventor:
Bae Keun Lee, Gyeonggi-do, KR;
Assignee:
KT CORPORATION, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 11/02 (2006.01); H04N 19/132 (2014.01); H04N 19/176 (2014.01); H04N 19/60 (2014.01); H04N 19/88 (2014.01);
U.S. Cl.
CPC ...
H04N 19/60 (2014.11); H04N 19/132 (2014.11); H04N 19/176 (2014.11); H04N 19/88 (2014.11);
Abstract
An image decoding method according to the present invention can comprise the steps of: acquiring residual coefficients of a current block; dequantizing the residual coefficients; performing secondary inverse transformation on the dequantized residual coefficients; and performing primary inverse transformation on the performance result of the secondary inverse transformation. The secondary inverse transformation can be performed for a partial region of the current block.