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Pattern Comparison by Interference Fringe Scanning

Tadao Tsuruta, Yoshinobu Itoh, and Hiroshi Shirasu

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Abstract

An apparatus for real-time pattern comparison based on the interference method proposed by Weinberger and Almi is described. Particular emphasis is stressed on its use in fingerprint identification. Preliminary experiments confirmed that the apparatus is feasible for the purpose.

© 1974 Optical Society of America

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