본 논문에서는 비대칭적 화질을 갖는 양안식 3DTV 시스템에서 좌우영상간의 화질차이가 크게 발생하는 경우, 열화된 우영상의 화질을 보상하기위한 부가정보로 양안시차 벡터맵을 사용하는데, 이때 넓은 대역폭을 갖는 부가정보를 효율적으로 부호화하여 전송하기위한 방법을 제안한다. 공간적인 중복성을 피하기 위해 쿼드트리 분해방식을 적용하였고, 양안시차 벡터의 시간적 중복성을 고려하여 부호화 효율을 높였다. 제안된 압축 알고리듬인 가변블록 부호화 방안을 적용한 복원영상은 비슷한 전송률을 갖는 고정블록 복원영상에 비해 개선된 PSNR을 가짐을 실험을 통해 확인하였다.
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