The Journal of the Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회논문지)

The Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회)
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A Study on Face Recognition using Support Vector Machine

SVM을 이용한 얼굴 인식에 관한 연구

  • 김승재 (조선대학교 컴퓨터공학과) ;
  • 이정재 (송원대학교 컴퓨터정보학과)
  • Received : 2016.11.15
  • Accepted : 2016.12.09
  • Published : 2016.12.31
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Abstract

This study proposed a more stable robust recognition algorithm which detects faces reliably even in cases where there are changes in lighting and angle of view, as well it satisfies efficiency in calculation and detection performance. The algorithm proposed detects the face area alone after normalization through pre-processing and obtains a feature vector using (PCA). Also, by applying the feature vector obtained for SVM, face areas can be tested. After the testing, using the feature vector is final face recognition performed. The algorithm proposed in this study could increase the stability and accuracy of recognition rates and as a large amount of calculation was not necessary due to the use of two dimensions, real-time recognition was possible.

논문에서는 얼굴 인식을 위한 보다 안정적이며 조명 변화와 회전에 강인하게 얼굴 영역을 검출하며, 계산의 효율성과 검출 성능을 동시에 만족시키는 강인한 인식 알고리즘에 대해 제안한다. 제안하는 알고리즘은 전처리 과정을 거쳐 정규화한 후 얼굴 영역만을 분할 검출한 후 주성분분석(PCA)을 이용하여 특징벡터를 구한다. 또한 구해진 특징벡터를 SVM에 적용하여 최적의 이진분류를 진행함으로써 얼굴 영역에 대한 검증을 수행한다. 검증 후 특징벡터를 이용하여 최종 얼굴을 인식하게 된다. 본 논문에서 제안하는 방법은 인식률의 안전성과 정확성을 향상시킬 수 있었으며, 차원 축소로 인해 많은 계산 량이 요구되지 않기 때문에 실시간 인식도 가능하다.

Keywords

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