방송의 디지털 전환 완료 후, 세계 각국은 3DTV 및 UHDTV(Ultra High Definition Television)로 대표되는 실감방송서비스 및 기술개발에 박차를 가하고 있다. 특히 3DTV의 경우, 현재 시판되고 있는 평면TV의 필수기능으로 포함되어 있으며, 우리나라를 비롯한 선진 각국에서는 상용 3DTV 방송서비스가 제공되고 있다. 또한, UHDTV의 등장으로 무안경 다시점 3DTV의 걸림돌이던 해상도 저하문제가 해결되면서 시점당 해상도가 향상된 다시점 3D 디스플레이 상용품 및 시제품들이 속속 발표되고 있다. 이에 따라, 무안경 다시점 3DTV 방송 서비스도 가시화 될 것으로 보며, 이를 위해서는 다시점 디스플레이뿐만 아니라 다시점 비디오 부호화 등의 표준기술이 필요하다. 본고에서는 무안경 다시점 3DTV 기술의 핵심이 되는 디스플레이 기술과 다시점 3D 비디오 부복호화 기술을 중심으로 알아본다.
KSP Keywords
High definition television(HDTV), Ultra High Definition
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