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Information security is becoming increasingly important in our information driven society. Cryptography is one of the most effective ways to enhance information security. Biometrics based cryptographic key generation techniques, in which biometric features are used to generate cryptographic keys, have been developed to overcome the shortages of the traditional cryptographic methods. An essential issue...
This paper presents a novel approach of palmprint authentication based on the directional gaussian derivative filters. In this approach, the palmprint image is firstly filtered using some directional Gaussian derivative filters in different directions. Then the orientation and the phase of each pixel of the palmprint image are extracted to form a feature. In the matching phase, the Hamming distance...
This paper presents a novel approach of palmprint texture analysis based on the derivative of Gaussian filter. In this approach, the palmprint image is respectively preprocessed along horizontal and vertical direction using derivative of Gaussian (DoG) filters. And then the palmprint is encoded according to the sign of the value of each pixel of the filtered images. This code is called DoGCode of...
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