The KIPS Transactions:PartB (정보처리학회논문지B)

Korea Information Processing Society (한국정보처리학회)
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Multi-modal Biometrics System Based on Face and Signature by SVM Decision Rule

SVM 결정법칙에 의한 얼굴 및 서명기반 다중생체인식 시스템

  • 민준오 ((주)아이디테크연구원) ;
  • 이대종 (충북대학교 컴퓨터정보통신연구소) ;
  • 전명근 (충북대학교 전기전자 및 컴퓨터공학부)
  • Published : 2004.12.01
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Abstract

In this paper, we propose a multi-modal biometrics system based on face and signature recognition system. Here, the face recognition system is designed by fuzzy LDA, and the signature recognition system is implemented with the LDA and segment matching methods. To effectively aggregate two systems, we obtain statistical distribution models based on matching values for genuine and impostor, respectively. And then, the final verification is Performed by the support vector machine. From the various experiments, we find that the proposed method shows high recognition rates comparing with the conventional methods.

본 논문에서는 SVM에 기반을 둔 결정법칙에 의해 얼굴인식과 서명인식시스템으로 구성된 다중생체인식시스템을 제안하고자 한다. 이를 위해 퍼지 선형판별기법(Fuzzy Linear Discriminant Analysis : Fnzzy LDA)를 이용한 얼굴인식과 선형판별분석기법과 구간매칭기법을 이용한 서명인식을 구축하였다. 두 개의 단일생체인식시스템을 효과적으로 융합시키기 위해 우선 독립적인 두 개의 생체인식시스템에 의해 산출된 매칭도로부터 등록자(Genuine)와 침입자(Impostor)의 확률 분포 모델을 생성한 후, SVM(Support Vector Machine)에 의해 최종 인증하는 구조로 되어있다. 제안된 방법인 SVM기반 결정법칙을 적용하여 실험한 결과 기존에 결정법칙으로 많이 사용되고 있는 가중치합과 결정트리 방식에 비해 각각 $1.654{\%}$와 $3.3{\%}$의 인식률 향상을 나타내 제안된 방법의 우수성을 나타냈다.

Keywords

References

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