컴퓨터 생성 홀로그래피(CGH)는 광파의 진행을 수치적으로 시뮬레이션하여 홀로그램 영상을 합성하는 연구분야이다. 실물 기반 홀로그램으로는 제작하기 어려운 다양한 가상 장면을 다룰 수 있으며 복잡한 광학계 구축 문제로부터 자유로운 장점 등으로 인하여 많은 연구가 진행되고 있다. 특히 대규모 병렬 처리가 가능한 범용 GPU의 발전은 CGH 실용화의 견인차가 되고 있다. 본 고에서는 CGH의 원리 소개와 함께 GPU에 기반한 CGH 고속화의 이슈 및 향후 전망을 살펴보고자 한다.
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