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Title: Generalization of the Jared-Ennis method to complex transmitance objects for the generation of Synthetic Discriminant Functions
Author: Pleguezuelos Aguilera, Encarnación
Labastida i Juan, Ignasi, 1970-
Vallmitjana i Rico, Santiago
Carnicer González, Arturo
Keywords: Òptica de Fourier
Reconeixement òptic de formes
Processament d'imatges
Fourier optics
Optical pattern recognition
Image processing
Issue Date: 2003
Publisher: Society of Photo-Optical Instrumentation Engineers (SPIE)
Abstract: We present a simple method of constructing synthetic discriminant function filters optimized to take into account the modulation of liquid-crystal devices. This relaxation algorithm, a generalization of the Jared and Ennis method, is an iterative method that includes arbitrary modulations for both scene and filter, extending the problem to the complex plane. Simulated and experimental results obtained in a VanderLugt correlator are presented for a two-class recognition problem. The optimal number of images needed to describe an object in a filter generated in this way is discussed, and the influence of the spatial light modulation resolution on the correlation is studied
It is part of: Proceedings of SPIE, 2003, vol. 5202, p. 227-236
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ISSN: 0277-786X
Appears in Collections:Articles publicats en revistes (Física Aplicada)

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