Properly combining optical design with 3-by-3 element mask reduces number of required computations by factor of as much as 100. Spatial and spatial-frequency responses obtained in system of combination of optical design and signal-processing algorithm. Closely approximate difference-of-Gaussian-function response.
Optical Design and Signal Processing for Edge Detection
NASA Tech Briefs ; 11 , 9
1987-10-01
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Englisch
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