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Registered 영상 부호화 및 복호화 방법 및 장치

영상 부호화 및 복호화 방법 및 장치
이미지 확대
Inventors
Kim Hui Yong, Jinho Lee, Sung-Chang Lim, Choi Jin Soo, Jin Woong Kim
Application No.
10-2013-0005653 (2013.01.18) KIPRIS
Publication No.
10-2013-0085013 (2013.07.26)
Registration No.
10-1366649-0000 (2014.02.18)
Country
KOREA
Project Code
11PR1700, Development of Multiview 3D Compatible UHDTV Broadcasting Technology, Jin Woong Kim
Abstract
본 발명에 따른 영상 복호화 장치는 엔트로피 복호화된 잔차 블록 정보를 역양자화 및 역변환하여 잔차 블록을 복원하는 잔차 블록복원부; 현재 블록에 대해 화면내 예측을 수행하여 예측 블록을 생성하는 예측 블록 생성부; 및 상기 예측 블록에 상기 잔차 블록을 더하여 영상을 복원하는 영상 복원부를 포함하되, 상기 예측 블록 생성부는상기 복원된 현재 블록에 포함된 예측 대상 화소의1차 예측값과, 상기 예측 대상 화소의 초기 보정값을 이진자릿수 1만큼 산술적 우측 이동 시켜 계산된 최종 보정값을 기반으로 상기 예측 대상 화소의 최종 예측값을 생성할 수 있다. 따라서, 영상 부호화/복호화시 연산 복잡도를 감소시킬 수 있다.
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