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Registered METHOD FOR ENCODING AND DECODING IMAGES BASED ON CONSTRAINED OFFSET COMPENSATION AND LOOP FILTER, AND APPARATUS THEREFOR

제한된 오프셋 보상 및 루프 필터를 기반으로 하는 영상 부호화 및 복호화 방법 및 그 장치
이미지 확대
Inventors
Jinho Lee, Sung-Chang Lim, Kim Hui Yong, Choi Jin Soo, Jin Woong Kim
Application No.
10-2018-0066357 (2018.06.08) KIPRIS
Publication No.
10-2018-0067487 (2018.06.20)
Registration No.
10-1977740-0000 (2019.05.07)
Country
KOREA
Project Code
11PR1700, Development of Multiview 3D Compatible UHDTV Broadcasting Technology, Jin Woong Kim
Abstract
제한된 오프셋 보상 및 루프 필터를 기반으로 하는 영상 부호화 및 복호화 방법 및 장치가 제공된다. 본 발명의 일 실시예에 따른 영상의 복호화를 위한 컴퓨터에 의해 실행되는 프로그램을 기록하는 기록매체에 있어서, 상기 프로그램은, 시퀀스(sequence), 픽쳐(picture), 프레임(frame), 타일(tile), 슬라이스(slice), 부호화 유닛(CU; coding unit), 예측 유닛(PU; prediction unit) 및 변환 유닛(TU; transform unit) 중 적어도 하나 이상이 제한된 오프셋 보상을 지원하는지 여부를 지시하는 제한된 오프셋 보상 지시자를 부호화기로부터 수신하는 단계; 화소 적응적 오프셋(SAO; sample adaptive offset) 보상의 수행 여부를 지시하는 SAO 보상 지시자를 상기 부호화기로부터 수신하는 단계; SAO 파라미터를 상기 부호화기로부터 수신하는 단계; 및 상기 SAO 보상 지시자 및 상기 SAO 파라미터를 기반으로 복원된 영상의 화소에 화소 적응적 오프셋 보상을 수행하는 단계를 포함할 수 있다.
KSP Keywords
Coding unit(CU), Encoding and decoding, Sample adaptive offset(SAO), Transform Unit, loop-filter(LF), offset compensation, prediction unit
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패밀리 특허 목록
Status Patent Country KIPRIS
Registered METHOD FOR ENCODING AND DECODING IMAGES BASED ON CONSTRAINED OFFSET COMPENSATION AND LOOP FILTER, AND APPARATUS THEREFOR
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