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:
Jan. 23, 2024
Filed:
Jan. 31, 2022
Electronics and Telecommunications Research Institute, Daejeon, KR;
Kwangwoon University Industry-academic Collaboration Foundation, Seoul, KR;
University-industry Cooperation Group of Kyung Hee University, Seoul, KR;
Hae Chul Choi, Daejeon, KR;
Se Yoon Jeong, Daejeon, KR;
Sung-Chang Lim, Daejeon, KR;
Jin Soo Choi, Daejeon, KR;
Jin Woo Hong, Daejeon, KR;
Dong Gyu Sim, Daejeon, KR;
Seoung-Jun Oh, Seongnam-si, KR;
Chang-Beom Ahn, Seoul, KR;
Gwang Hoon Park, Seongnam-si, KR;
Seung Ryong Kook, Suwon-si, KR;
Sea-Nae Park, Seoul, KR;
Kwang-Su Jeong, Seoul, KR;
Abstract
The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.