• 제목/요약/키워드: Dynamic signature verification

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A Study on Feature Extraction and Matching of Enhanced Dynamic Signature Verification

  • Kim Jin-Whan;Cho Hyuk-Gyn;Cha Eui-Young
    • 한국지능시스템학회:학술대회논문집
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    • 한국퍼지및지능시스템학회 2005년도 춘계학술대회 학술발표 논문집 제15권 제1호
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    • pp.419-423
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    • 2005
  • This paper is a research on feature extraction and comparison method of dynamic (on-line) signature verification. We suggest desirable feature information and modified DTW(Dynamic Time Warping) and describe the performance results of our enhanced dynamic signature verification system.

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A study on the Dynamic Signature Verification System

  • Kim, Jin-Whan;Cho, Hyuk-Gyu;Cha, Eui-Young
    • International Journal of Fuzzy Logic and Intelligent Systems
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    • 제4권3호
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    • pp.271-276
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    • 2004
  • This paper is a research on the dynamic signature verification of error rate which are false rejection rate and false acceptance rate, the size of signature verification engine, the size of the characteristic vectors of a signature, the ability to distinguish similar signatures, the processing speed and so on. Also, we present our efficient user interface and performance results.

A Study on an Advanced Evaluation Method for Dynamic Signature Verification System

  • Kim, Jin-Whan;Cho, Jae-Hyun;Kim, Kwang-Baek
    • Journal of information and communication convergence engineering
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    • 제8권2호
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    • pp.140-144
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    • 2010
  • This paper is a research on an evaluating method for the dynamic signature verification system. It is described about various factors such as error rate, the size of signature verification engine, the size of the characteristic vectors of a signature, the ability to distinguish similar signatures, the processing speed of signature verification and so on. This study identifies factors to consider in evaluating signature verification systems comprehensively and objectively without an officially approved signature database, examines the meaning of each of the factors, and proposes criteria for evaluating and analyzing the factors.

Implementation of User Interface and Web Server for Dynamic Signature Verification

  • Kim, Jin-Whan;Cho, Hyuk-Gyu;Cha, Eui-Young
    • 한국전자거래학회:학술대회논문집
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    • 한국전자거래학회 2005년도 e-Biz World Conference 2005
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    • pp.299-304
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    • 2005
  • This paper is a research on the dynamic signature verification of error rate which are false rejection rate and false acceptance rate, the size of signature verification engine, the size of the characteristic vectors of a signature, the ability to distinguish similar signatures, and so on. We suggest feature extraction and comparison method of the signature verification. Also, we have implemented our system with Java technology for more efficient user interfaces and various OS Platforms.

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동적 서명인증시스템의 인증 서버에 관한 연구 (A Study on Authentication Server of Dynamic Signature Verification System)

  • 김진환;조혁규;차의영
    • 한국전자거래학회지
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    • 제10권3호
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    • pp.49-65
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    • 2005
  • 본 논문은 동적(온라인) 서명인증 기술에 관한 것으로 서명의 특징 벡터, 유사 서명에 대한 변별력, 오류율 등에 대해서 살펴보고, 고성능 서명 인증시스템을 위한 특징 추출과 매칭 방법을 제안하고, 보다 효율적인 사용자 인터페이스를 설계하였고, 다양한 OS플랫폼 지원을 위하여 Java 기술을 이용한 웹 인증 서버를 구현하였다.

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스마트폰용 동적 서명인증의 모바일 구현 (Mobile Implementation of Enhanced Dynamic Signature Verification for the Smart-phone)

  • 김진환;조혁규;서창진;차의영
    • 한국정보통신학회논문지
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    • 제11권9호
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    • pp.1781-1785
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    • 2007
  • 본 논문에서는 스마트폰에서 사용 가능한 동적서명 인증기술의 사용자 인터페이스와 알고리즘을 제안하고, 제안된 시스템의 성능을 기술하였다. 개인 서명의 모양, 쓰는 속도, 기울기, 획수와 획순서 등의 정보를 활용함으로써 인증 여부를 결정하게 되며, 컴퓨터와 무선인터 넷이 발달하고 관련 산업이 급성장함에 따라서 폭 넓은 산업 분야에 활용될 것으로 기대된다.

동적 서명검증시스템의 성능 평가에 관한 연구 (A Study of Performance and Analysis of Dynamic Signature Verification System)

  • 김진환;조혁규;차의영
    • 대한전자공학회:학술대회논문집
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    • 대한전자공학회 2003년도 하계종합학술대회 논문집 Ⅲ
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    • pp.1537-1540
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    • 2003
  • Dynamic signature verification technology is to verify the signer by calculating his writing manner, speed, angle, and the number of strokes, order, down/up/movement of pen when the signer input his signature with an electronic pen for his authentication In this paper, we will study an abjective basis for performance and analysis of the dynamic signature verification system.

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사용자 인증 보안을 위한 동적 서명인증시스템 (Dynamic Signature Verification System for the User Authentication Security)

  • 김진환;조혁규;차의영
    • 대한전자공학회:학술대회논문집
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    • 대한전자공학회 2002년도 하계종합학술대회 논문집(3)
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    • pp.131-134
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    • 2002
  • As the increased use of computer, wired/wireless/mobile Internet, security in using Internet becomes a more important problem. Thus, biometric technology using physical and behavior characteristics of a person is hot issue. Many different types of biometric technologies of a person such as fingerprint, face, iris, vein, DNA, brain wave, palm, voice, dynamic signature, etc. had already been studied but remained unsuccessful because they do not meet social demands. However, recently many of these technologies have been actively revived and researchers have developed new products on various commercial fields. Dynamic signature verification technology is to verify the signer by calculating his writing manner, speed, angle, and the number of strokes, order, the down/up/movement of pen when the signer input his signature with an electronic pen for his authentication. Then signature verification system collects mentioned above various feature information and compares it with the original one and simultaneously analyzes to decide whether signature is forgery or true. The prospect of signature verification technology is very promising and its use will be wide spread in terms of economy, security, practicality, stability and convenience.

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Differentiation of Signature Traits $vis-\grave{a}-vis$ Mobile- and Table-Based Digitizers

  • Elliott, Stephen J.
    • ETRI Journal
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    • 제26권6호
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    • pp.641-646
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    • 2004
  • As the use of signatures for identification purposes is pervasive in society and has a long history in business, dynamic signature verification (DSV) could be an answer to authenticating a document signed electronically and establishing the identity of that document in a dispute. DSV has the advantage in that traits of the signature can be collected on a digitizer. The research question of this paper is to understand how the individual variables vary across devices. In applied applications, this is important because if the signature variables change across the digitizers this will impact performance and the ability to use those variable. Understanding which traits are consistent across devices will aid dynamic signature algorithm designers to create more robust algorithms.

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개선된 DTW를 통한 효과적인 서명인식 시스템의 제안 (Effect On-line Automatic Signature Verification by Improved DTW)

  • Dong-uk Cho;Gun-hee Han
    • 한국산학기술학회논문지
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    • 제4권2호
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    • pp.87-95
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    • 2003
  • Dynamic Programming Matching (DPM)은 순차적으로 구성된 문제를 수학적으로 최적화 시키는 기술로서 패턴인시 분야에서 다년간 중요한 역할을 해왔다. 서명인식을 위한 대부분의 실제적 적용에서는 Sakoe and Chiba [9]의 실제구현 버전이 기반이 되어 왔는데, 일반적으로 slope constraint p = 0의 방법이 적용되어 왔다. 이 논문에서는 이 경우에는 전진탐색에 의한 휴리스틱한 방법을 적용한 MDPM이 상당한 처리시간의 단축 뿐만 아니라 약간의 인식능력 향상을 가질 수 있음을 보여준다.

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