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Combining dynamic data with physical biometric verification to counteract spoofing

Nishiuchi N.

Journal of Medical Informatics & Technologies

2010

Vol. 15

11--17

Current physical biometric verification systems are hampered by a major vulnerability: spoofing. Keeping biological information, such as the face, fingerprints, and irises, concealed from others in daily life is difficult, and therefore theft and counterfeit of exposed biological information can be relatively easily accomplished by first capturing an individual's targeted information as an image and then using the data to reproduce a model. Here, I propose a new method of physical biometric verification that uses dynamic data which are difficult to spoof. This basic concept can be applied to several types of biometric verification, such as those based on finger geometry, finger veins, irises, and the contour of the eyelid. I also propose an algorithm for this new verification method and provide experimental examples of its application.