Applied Optics · 1990 · 45 citations · 24 references
Natural SciencesComputer SciencePhysicsComputational PhysicsComputer VisionInformation TheoryDigital Image ProcessingDigital Signal ProcessingEntropyImage FilteringPattern RecognitionSignal ProcessingEntropy EstimationEntropy MinimizationEntropy-based ClassificationFiltersInformation EntropyPatternsRandom NoiseSelective Filters
Properties of the entropy function encountered in physics and information theory are employed in the generation of highly selective spatial filters for pattern recognition. Computer simulations and laboratory experiments demonstrate efficient recognition of single patterns or classes even when these are submerged in high level random noise.
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Joseph L. Horner, Peter D. Gianino · Applied Optics · 1984 · 872 citations
Pattern recognition with binary phase-only filters
Joseph L. Horner, James R. Leger · Applied Optics · 1985 · 260 citations
Improved Discrimination in Optical Character Recognition
H. John Caulfield, W. T. Maloney · Applied Optics · 1969 · 191 citations