Randomly neighbouring pixels from image

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Algorithms Analyst
Algorithms Analyst 2013-6-28
Hi all
I have choosed the image random pixels having my code below
clc
close all
clear all
im = imread('frame1.png');
[nRow,nCol,c] = size(im);
N1=25;
N2=25;
randRow = randi(nRow,[N1,1]);
randCol = randi(nCol,[N2,1]);
figure(1);imshow(im);
randimg=im(randRow,randCol,:);
figure(2);imshow(randimg);
Now I want to choose randomly neighbouring pixels from an image.any help is appreciated Thanks

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回答（1 个）

Nitin
Nitin 2013-6-28
you could use imdilate with a strel to expand the pixels area

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