본 논문에서는 좌우 해상도가 서로 다른 융합형 3DTV 시스템에서 합성된 3D 영상의 화질을 개선하는 방법인 조건부 대체 알고리듬에 적용하기 위한 비트율 제어기법을 제안한다. 조건부 대체 알고리듬에서는 쿼드트리 형태의 가변크기 블록마다 좌우 영상간의 양안시차 정보를 활용하되, 이 정보의 전송을 위해서 부가적인 대역폭이 요구되기 때문에 전송 대역폭의 상황에 따라 부가 정보의 양을 효율적으로 조절할 필요가 있다. 이를 위해 비용함수를 정의하고 가중치를 적용하여 최적의 모드를 결정하는 방법을 제안한다.
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