고정된 위치를 중심으로 회전운동만 체험할 수 있는 3 자유도(DoF: Degrees of Freedom)를 넘어 위치를 변경하며 운동시차까지 포함된 6 자유도를 지원하는 몰입형 미디어에 대한 연구가 지속해서 진행되고 있다. 특히 부드러운 시점 변경을 제공하기 위해 특정 위치에서 샘플링 된 여러 개의 텍스쳐(또는 컬러) 및 깊이맵 영상(MVD: Multiview Video plus Depth)으로 구성된 다시점 영상을 통해 실제로 획득되지 않은 위치에서의 영상을 만들어내는 가상시점 합성(virtual view synthesis) 기술이 많이 사용되고 있다. 본 논문에서는 몰입형 미디어의 대표적인 데이터 형식인 다시점 영상을 실사 및 컴퓨터 그래픽스(CG: Computer Graphics) 환경에서 획득하는 방법에 관해 설명한다.
KSP Keywords
Computer graphics, Degrees of freedom(DOF), multi-view video plus depth(MVD), virtual view synthesis
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