본 논문에서는 매 프레임마다 영상의 특징정보를 기반으로 하는 광고 모니터링을 위한 동영상 검색 방법을 제안한다. HDTV 환경에서 자주 관찰되는 영상 변형에 강인한 검출과 고속 검출을 목적으로 특징정보를 고안하였으며, 특히 부호화 방식의 차이로 인한 영상 변형에 강인하도록 기존 알고리즘을 개선하였다. 제안하는 특징정보는 크기가 작고 추가적인 계산량이 적기 때문에 실시간 HDTV 광고 모니터링 시스템에 적용 가능하다.
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