Korean Journal of Optics and Photonics (한국광학회지)

Optical Society of Korea (한국광학회)
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Optical encryption and decryption of image information by use of nail bed patterns

생체신호인 조상(nail bed)패턴을 이용한 영상정보의 광 암호화 및 복호화

  • Published : 2004.04.01
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Abstract

In this paper, we proposed an optical encryption and decryption technique that uses a nail bed pattern as a key-code. Since the technique uses a nail bed pattern that is a biometric signal of an encryptor, the technique is robust about a fake key or illegal use of a key. In addition to this, the encrypted image contains the biometric information of the encryptor. This makes the proposed technique also be applied to authentication.

본 논문에서는 콘포칼 구조의 광학계를 이용하여 생체신호인 조상(nail bed)패턴을 추출하고 그를 암호키로 이용해 암호 키(key)의 고의적 양도나 부정사용을 방지해 높은 보안성을 갖는 광 암호화 및 복호화 방법을 제안한다. 또한 암호화된 영상은 생체정보를 포함하고 있기 때문에 영상정보의 진위여부를 개인의 인증(authentication)을 통해서 가려낼 수 있다.

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