How to do a maximum rank filter
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Jimmy Neutron
on 25 Nov 2021
Commented: Jimmy Neutron
on 27 Nov 2021
I would like to do a 3x3 max-rank filter with 0 padding. How would I go about doing this? Currently I have tried:
M = [203 167 233 113 222 232;
79 176 39 27 22 46;
135 191 211 256 102 67;
42 115 137 1 66 37;
154 21 254 198 204 35;
67 58 20 208 110 222];
localMaxImage = imdilate(M, true(3))
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yanqi liu
on 26 Nov 2021
clc; clear all; close all;
M = [203 167 233 113 222 232;
79 176 39 27 22 46;
135 191 211 256 102 67;
42 115 137 1 66 37;
154 21 254 198 204 35;
67 58 20 208 110 222];
localMaxImage = imdilate(M, true(3))
fun = @(block_struct) max(max(block_struct.data)) * ones(size(block_struct.data));
localMaxImage2 = blockproc(M,[3 3],fun)
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