Journal of the Korea Society of Computer and Information (한국컴퓨터정보학회논문지)

Korean Society of Computer Information (한국컴퓨터정보학회)
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Extraction of Smocking in Elevator Using Robust Scene Change Detection Method

강건한 장면 전환 검출 기법을 이용한 엘리베이터 내의 흡연 추출

  • Lee, Kang-Ho (Dept. of Computer Information Security, Korea National University of Welfare) ;
  • Shin, Seong-Yoon (Dept. of Computer Information Engineering, Kunsan National University) ;
  • Rhee, Yang-Won (Dept. of Computer Information Engineering, Kunsan National University)
  • 이강호 (한국복지대학교 컴퓨터정보보안과) ;
  • 신성윤 (군산대학교 컴퓨터정보공학과) ;
  • 이양원 (군산대학교 컴퓨터정보공학과)
  • Received : 2013.09.14
  • Accepted : 2013.10.19
  • Published : 2013.10.31
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Abstract

Smoking in elevators is a criminal offense that is included in a misdemeanor. Because of that smoking in elevators can be very critical for our growing children and weak women. In this paper, we would like to extract criminals doing this criminal offense to smoke in elevators. Extraction method detect difference value using modified color-X2-test and it was normalized. Next, we find frames that has occurred scene change in successive frames using the four-step algorithm of scene change detection. Finally, we present the method of smoking image retrieval and extraction in stored large amount of video. In the experiment, we show process and number of scene change detection, and the number of video searched per retrieval time. The extracted smoking video is to submit as evidence for the police or court.

엘리베이터 내의 흡연은 경범죄에 속하는 범죄 행위이다. 엘리베이터 내의 흡연은 커가는 우리 아이들과 약한 여성들에게 매우 치명적일 수 있기 때문이다. 본 논문에서는 엘리베이터 내에서 이러한 범죄 행위인 흡연을 범하는 범죄자를 추출하고자 한다. 추출 방법은 변형된 컬러-X2-test를 이용하여 차이값을 추출하고, 이를 정규화 한다. 다음으로, 4-단계의 장면 전환 검출 알고리즘을 이용하여 연속적인 프레임들에서 장면 전환이 발생한 지점을 찾아 낸다. 마지막으로, 비디오에 저장된 대량의 영상에서 흡연 영상의 검색 및 추출을 위한 방법을 제시한다. 실험에서는 장면 전환 검출 과정과 검출 수와 검색 시간별 검색된 비디오의 수가 나타나 있다. 추출된 흡연 영상은 경찰서나 법원에 증거 자료로 제출하고자 한다.

Keywords

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