The Journal of Korea Institute of Information, Electronics, and Communication Technology (한국정보전자통신기술학회논문지)

Korea Information Electronic Communication Technology (한국정보전자통신기술학회)
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Realtime Smoke Detection using Hidden Markov Model and DWT

은닉마르코프모델과 DWT를 이용한 실시간 연기 검출

  • Kim, Hyung-O (Department of Electrical Engineering, SeoIl University)
  • Received : 2016.07.28
  • Accepted : 2016.08.25
  • Published : 2016.08.30
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Abstract

In this paper, We proposed a realtime smoke detection using hidden markov model and DWT. The smoke type is not clear. The color of the smoke, form, spread direction, etc., are characterized by varying the environment. Therefore, smoke detection using specific information has a high error rate detection. Dynamic Object Detection was used a robust foreground extraction method to environmental changes. Smoke recognition is used to integrate the color, shape, DWT energy information of the detected object. The proposed method is a real-time processing by having the average processing speed of 30fps. The average detection time is about 7 seconds, it is possible to detect early rapid.

본 논문은 DWT에너지 기반의 연기 검출 방법을 제안하였다. 일반적으로 연기는 형태가 명확하지 않고 주변 환경에 의하여 색상, 형태, 확산방향 등의 특징이 가변적이기 때문에 특정 정보만을 이용할 경우에는 오검출율이 높아진다. 따라서 본 논문에서는 환경변화에 강인한 전경 추출 방법을 이용하여 객체를 검출하고 추출된 객체의 색상, 형태, DWT 에너지 정보를 통합적으로 사용하여 연기를 판단한다. 제안된 방법은 평균 30fps의 처리속도를 가지므로 실시간 처리가 가능하고 화재 발생 시점으로부터 연기 감지까지의 평균 소요시간이 약 7초로 빠른 조기감지가 가능하며 낮은 오검출율을 나타내었다.

Keywords

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