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Computing 2-D min, median, and max filters

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2 Author(s)
J. Gil ; Dept. of Comput. Sci., Hebrew Univ., Jerusalem, Israel ; M. Werman

Fast algorithms for computing min, median, max, or any other order statistic filter transforms are described. The algorithms take constant time per pixel to compute min or max filters and polylog time per pixel, in the size of the filter, to compute the median filter. A logarithmic time per pixel lower bound for the computation of the median filter is shown

Published in:

IEEE Transactions on Pattern Analysis and Machine Intelligence  (Volume:15 ,  Issue: 5 )