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A new type of feature extraction of patterns using coherent optical system

Identifieur interne : 002055 ( Istex/Corpus ); précédent : 002054; suivant : 002056

A new type of feature extraction of patterns using coherent optical system

Auteurs : Kokichi Tanaka ; Kazumasa Ozawa

Source :

RBID : ISTEX:8F53375B947152F6EC763696B7749ED6B6E7D445

Abstract

Fraunhofer diffraction of a two dimensional pattern possesses some useful properties in relation to pattern recognition. In the present paper, those properties are given with respect to use for feature extraction of patterns. A new type of spatial filtering method named “θ-Fourier Method” which extracts some features of patterns on the Fraunhofer diffraction plane is proposed, Moreover, some practical performances of this method are also experimentally investigated.

Url:
DOI: 10.1016/0031-3203(72)90004-0

Links to Exploration step

ISTEX:8F53375B947152F6EC763696B7749ED6B6E7D445

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