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Title: New multiple matched filter: design and experimental realization
Author: Vallmitjana i Rico, Santiago
Bosch i Puig, Salvador
Juvells Prades, Ignacio
Ros Puig, Domènec
Keywords: Reconeixement òptic de formes
Filtres (Matemàtica)
Optical pattern recognition
Filters (Mathematics)
Issue Date: 1986
Publisher: Optical Society of America
Abstract: A method of making a multiple matched filter which allows the recognition of different characters in successive planes in simple conditions is proposed. The generation of the filter is based on recording on the same plate the Fourier transforms of the different patterns to be recognized, each of which is affected by different spherical phase factors because the patterns have been placed at different distances from the lens. This is proved by means of experiments with a triple filter which allows satisfactory recognition of three characters.
Note: Reproducció del document publicat a:
It is part of: Applied Optics, 1986, vol. 25, núm. 23, p. 4473-4475
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ISSN: 0003-6935
Appears in Collections:Articles publicats en revistes (Física Aplicada)
Articles publicats en revistes (Ciències Fisiològiques)

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