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7 June 1996 Optical morphological hit-or-miss transform for pattern recognition of gray-scale image
ShiFu Yuan, Minxian Wu, Gang Cheng, Guofan Jin
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Proceedings Volume 2751, Hybrid Image and Signal Processing V; (1996) https://doi.org/10.1117/12.242010
Event: Aerospace/Defense Sensing and Controls, 1996, Orlando, FL, United States
Abstract
A novel scheme for implementing gray scale image hit-or-miss transform (HMT) in one optical step with only one optical correlator is presented. This scheme uses area- complementary-encoding to represent each pixel of gray scale images. Using an incoherent optical correlator to optically perform correlation and a microcomputer to perform nonlinear thresholding electrically, the area-complementary-encoding gray scale image HMT is realized for auto target recognition.
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ShiFu Yuan, Minxian Wu, Gang Cheng, and Guofan Jin "Optical morphological hit-or-miss transform for pattern recognition of gray-scale image", Proc. SPIE 2751, Hybrid Image and Signal Processing V, (7 June 1996); https://doi.org/10.1117/12.242010
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KEYWORDS
Optical pattern recognition
Optical correlators
Nonlinear optics
Target recognition
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