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

  • 제16권7호
  • /
  • Pages.117-125
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  • 2011
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  • 1598-849X(pISSN)
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  • 2383-9945(eISSN)
한국컴퓨터정보학회 (Korean Society of Computer Information)
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강건한 얼굴 검출 알고리즘을 위한 YCbCr 컬러 모델과 러프 집합 연구

A Study on the YCbCr Color Model and the Rough Set for a Robust Face Detection Algorithm

  • 변오성 (현대모비스 기술연구소)
  • 투고 : 2011.03.28
  • 심사 : 2011.05.16
  • 발행 : 2011.07.31
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초록

본 논문에서는 특징 기반 방법인 YCbCr 컬러 모델을 이용하여 얼굴색 분포를 분할하고, 전처리 과정에서 양자화를 하여 특징 기반의 단점 중의 하나인 조명에 민감한 것을 둔감하도록 하였다. 또한 러프 집합을 이용하여 패턴의 형태로 가장 근사한 영상의 객체를 선택하는 특성을 가지게 함으로 영상 합성의 정확도를 높였다. 본 논문에서 제안된 얼굴 검출 알고리즘은 다양한 얼굴 크기 및 방향에 관계없이 기존의 알고리즘보다 약 2~3%정도 우수함을 시뮬레이션을 통해 확인하였다.

In this paper, it was segmented the face color distribution using YCbCr color model, which is one of the feature-based methods, and preprocessing stage was to be insensitive to the sensitivity for light which is one of the disadvantages for the feature-based methods by the quantization. In addition, it has raised the accuracy of image synthesis with characteristics which is selected the object of the most same image as the shape of pattern using rough set. In this paper, the detection rates of the proposed face detection algorithm was confirmed to be better about 2~3% than the conventional algorithms regardless of the size and direction on the various faces by simulation.

키워드

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