Abstract
본 논문에서는 이진 프레임 기술자와 이를 이용한 프레임 단위 유사중복 동영상 정합 알고리즘을 제안한다. 우선 동영상으로부터 취득한 프레임을 패치(patch)단위로 나누고 패치간의 관계를 이진으로 나타낸다. 그리고 두 동영상 프레임 간의 정합비용과 보상비용으로 비용 함수를 표현한다. 초기 정합과 반복적인 정합 갱신을 통해 비용 함수를 최소화한다. 실험을 통해 제안하는 이진 프레임 기술자의 적합성과 프레임 단위 정합 알고리즘 성능이 우수함을 확인한다. In this paper, we propose a precise frame-level near-duplicate video matching algorithm. First, a binary frame descriptor for near-duplicate video matching is proposed. The binary frame descriptor divides a frame into patches and represent the relations between patches in bits. Seconds, we formulate a cost function for the matching, composed of matching costs and compensatory costs. Then, we roughly determine initial matchings and refine the matchings iteratively to minimize the cost function. Experimental results demonstrate that the proposed algorithm provides efficient performance for frame-level near duplicate video matching.
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