Abstract
Conventional Synthetic Discriminant Functions1 (SDF's) produce very broad output correlation peaks and as a result do not achieve a 100% success rate in discriminating one class of images from another. To solve this problem, Homer and Gianino2 introduced the phase-only SDF filters; these filters produce very sharp correlation peaks but do not satisfy the equal correlation peaks (ECP) rule in the output plane.3 Jared4,5 recently proposed an iterative relaxation algorithm, which enables the design of phase-only SDF's and binary phase-only SDF's to satisfy the ECP rule. Their idea was to ensure that the filter-encoding constraints are taken into account at the design stage; this was called the filter SDF (fSDF).
© 1995 IEEE
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