본 논문에서는 이동형 패럴랙스 배리어 방식의 모바일 3D 디스플레이에 응용하기 위해 개발된 시역계측알고리즘[1]을 실제 시스템에 구현한 후 문제점을 분석하고, 그 문제점을 해결할 수 있는 새로운 방법을 제안한다. 본 연구팀에서 이동형 패럴랙스 배리어 방식의 모바일 3D 디스플레이에 응용하기 위해 개발한 이전의 시역계측기술[1]은 기존의 비올라-존스 얼굴 검출기[2]에 의한 얼굴검출 결과와 비올라-존스 얼굴 검출기의 단점을 보완하기 위해 새롭게 추가된 옵티컬-플로우 특징점 추적 알고리즘[3]에 의한 얼굴검출의 두 결과를 선형적으로 결합하여 시청자의 시역위치를 예측하였다. 하지만, 모바일 3D 디스플레이의 특성한 급격한 조명의 변화에서 옵티컬-플로우에 의한 특징점 추적알고리즘에 심각한 오류가 발생하는 문제점이 있다. 이러한 급격한 조명의 변화에 대한 문제점을 해결하기 위해 본 논문에서는 매 프레임마다 정확하게 옵티컬-플로우 얼굴 검출기의 정확도를 판단할 수 있는 방법을 제안하고, 다양한 실험을 통해 그 효과를 검증한다.
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