Journal of KIISE:Computing Practices and Letters (한국정보과학회논문지:컴퓨팅의 실제 및 레터)

Korean Institute of Information Scientists and Engineers (한국정보과학회)
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Face Detection using Adaptive Skin Region Extraction

적응적 피부영역 검출을 이용한 얼굴탐지

  • Published : 2010.01.15
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Abstract

In this paper, we propose a method about producing skin color model adaptively in input image and face detection. The principle process which we proposed is finding eyes candidates by applying the eye features to neural network, and then using the around color to find the distribution of color value. There will be a verification process that producing face region by using color value distribution which is detected as skin region and find mouth candidate in corresponding face region; if eye candidate and mouth candidate's connection structure is similar with face structure, then it can be judged as a face. Because this method can detect skin region adaptively by finding eyes, we solve the rate of false positive about the distorted skin color which is used by existing face detection methods. The experiment was performed about detecting the eye, the skin, the mouth and the face individually. The results revealed that the proposed technique is better than the traditional techniques.

본 논문에서는 입력영상에서 적응적으로 피부색상 모델을 생성하여 얼굴을 탐지하는 방법을 제안한다. 제안하는 방법의 기본적인 절차는 먼저 눈의 특징을 인공신경망에 적용하여 눈 후보를 찾은 후, 그 주변의 색상을 이용하여 피부영역의 색상값 분포를 찾는다. 그 다음은 피부영역으로 검출된 색상값 분포를 이용하여 얼굴영역을 산출하고, 해당 얼굴영역 내에서 입 후보를 찾아 눈 후보와 입 후보의 구조적인 관계가 얼굴 구조와의 일치여부를 판단하여 얼굴영역을 검증하는 과정을 거친다. 이 방법은 눈을 찾아서 피부영역을 적응적으로 검출하기 때문에 기존의 얼굴탐지 방법들의 문제인 피부색상의 왜곡으로 인한 오검출을 해결하였다. 실험은 눈 탐지와, 피부 탐지, 입 탐지, 얼굴탐지에 대해 각각 수행하였다. 실험을 통하여 기존의 주요 방법들 보다 우수한 결과를 보였다.

Keywords

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