7 June 1996 Optical morphological hit-or-miss transform for pattern recognition of gray-scale image
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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, 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); doi: 10.1117/12.242010; https://doi.org/10.1117/12.242010
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