깊이감, 시점 등의 3차원 영상정보 제공 방법에는 양안 시차에 의한 스테레오 방식, 다시점 기반의 스테레오 방식, 라이트필드 기반의 스테레오 방식, 체적 내에 실제 발광점들을 물리적으로 형성하는 체적형 방식, 빛의 간섭과 회절현상을 이용하여 실제 물체의 파면을 재현하는 홀로그래피 방식 등이 존재한다. 본고에서는, 3차원 영상기술로써 최근 이슈화되고 있는 플렌옵틱 영상기술의 개념을 다시점 영상생성 및 재초점 기능의 관점에서 소개하고, 동시에 관련 국내외 기술개발 동향을 파악하고자 한다. 또한, 플렌옵틱 영상기술의 고도화를 위한 최신 연구개발 이슈 및 응용 가능한 서비스 시나리오에 대해 탐구해 봄으로써, 향후 플렌옵틱 영상처리 기술의 발전 및 활용도를 전망해 보고자 한다.
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