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Adaptive Threshold Technique for Local Clutter Suppression

IP.com Disclosure Number: IPCOM000052386D
Original Publication Date: 1981-Jun-01
Included in the Prior Art Database: 2005-Feb-11

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Winter, EM [+details]


An adaptive threshold technique for local clutter suppression in an optical scanning system is disclosed which predicts thresholds to suppress clutter resulting from spatial variations in a background by taking a spatial Laplacian on the image and using that Laplacian to calculate the thresholds.