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New multiple matched filter: design and experimental realization
Vallmitjana i Rico, Santiago; Bosch i Puig, Salvador; Juvells Prades, Ignacio; Ros Puig, Domènec
Universitat de Barcelona
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.
13-07-2012
Reconeixement òptic de formes
Filtres (Matemàtica)
Optical pattern recognition
Filters (Mathematics)
(c) Optical Society of America, 1986
Artículo
Optical Society of America
         

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