영화 “아바타”가 개봉되면서 입체 콘텐츠 특히 입체 영화에 대해 많은 사람들이 관심을 갖게 되었다. 초기 국내에서, 스테레오 영상 제작 시도는 많았지만, 입체 영상을 단순히 한 쌍의 영상을 보여주는 것으로 생각하여 잘못 제작되는 경우가 많았다. 입체영상 제작 기술은 한 쌍의 영상을 인간의 양안에 각각의 영상을 보여주면 3차원으로 인식한다는 데 기술적 근간을 두고 있으나, 초기엔 실세계에서 인간이 인식하는 것과 유사하게 처리되지 않아 시각피로를 유발하는 경우가 많았다. 그래서, 본 원고에서는 “아바타” 영화와 같은 입체 영상을 제작하기 위해 어떠한 기술과 고려되어야 할 사항들이 있는지 살펴본다. 현재 입체 영상 획득 방식인 두 대의 카메라를 이용하여 실사로 촬영하는 데 필요한 기술과, 그 결과 영상을 후반작업에서 보정하고 합성하여 시각피로를 최소화하는 방법 및 기술들을 중심으로 살펴본다.
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