3차원 입체 영상은 기존의 2차원 평면 영상과는 달리 사람이 보고 느끼는 실제 영상과 유사하여 시각정보의 질적 수준을 몇 차원 향상시키는 새로운 개념의 실감 영상 미디어이다. 3차원 영상단말기 기술은 멀티미디어의 기술발전을 기반으로 하여 통신, 방송, 신호처리 등 다른 분야의 기술들이 모두 집약되어 있다. 방송의 경우 현재 DMB, DVB-H 및 FLO와 같은 모바일 방송 시스템을 통해서 3차원 TV 서비스가 가능하고 기존 이동 통신망이나 와이브로 또는 와이맥스 망을 통해서도 3차원 서비스의 제공이 가능하다. 본 고에서는 3차원 서비스의 제공이 가능한 모바일 방송 및 통신 시스템과 관련된 국내ㆍ국제 기술 동향을 소개하고자 한다.
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