Journal of the Korean Institute of Intelligent Systems (한국지능시스템학회논문지)

Korean Institute of Intelligent Systems (한국지능시스템학회)
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Face Disguise Detection System Based on Template Matching and Nose Detection

탬플릿 매칭과 코검출 기반 얼굴 위장 탐지 시스템

  • 양재준 (홍익대학교 전기정보제어공학과) ;
  • 조성원 (홍익대학교 전기정보제어공학과) ;
  • 이기성 (홍익대학교 전기정보제어공학과)
  • Received : 2011.12.08
  • Accepted : 2012.02.07
  • Published : 2012.02.25
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Abstract

Recently the need for advanced security technologies are increasing as the occurrence of intelligent crime is growing fastly. Previous methods for face disguise detection are required for the improvement of accuracy in order to be put to practical use. In this paper, we propose a new disguise detection method using the template matching and Adaboost algorithm. The proposed system detects eyes based on multi-scale Gabor feature vector in the first stage, and uses template matching technique in oreder to increase the detection accuracy in the second stage. The template matching plays a role in determining whether or not the person of the captured image has sunglasses on. Adaboost algorithm is used to determine whether or not the person of the captured image wears a mask. Experimental results indicate that the proposed method is superior to the previous methods in the detection accuracy of disguise faces.

최근 지능형 범죄가 늘면서 첨단 보안 기술에 대한 요구가 점차 늘어나고 있다. 현재까지 보고된 위장한 얼굴의 검출방법은 실용화를 위하여 정확도 개선이 요구된다. 본 논문에서는 사람의 얼굴에 대하여 템플릿 매칭을 통한 유사도와 아다부스트를 사용한 얼굴 위장판별 시스템을 제안한다. 제안된 시스템은 먼저 다중 스케일 가버특징 벡터를 기반으로 눈의 위치를 찾은 후 템플릿 매칭을 통해서 눈에 대한 유사도를 측정하여 선글라스 착용여부를 판단하고 아다부스트를 사용한 코의 검출을 통하여 마스크 착용 여부를 판단한다. 실험을 통하여 본 논문에서 제안한 방법이 더욱 신뢰성 높은 위장 판별 시스템임을 확인하였다.

Keywords

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