How to mask an image?

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Christine Ak
Christine Ak am 19 Nov. 2013
Kommentiert: Christine Ak am 19 Nov. 2013
hi I have the following code: I want to apply a mask on the image.. How I could ???
I1 = imread('eye.jpg');
figure (1)
imshow(I1)
figure(2)
binaryimage=I1>=20 & I1 <=255;
imshow(binaryimage, []);
title('binaryimage 1// Gray');

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Image Analyst
Image Analyst am 19 Nov. 2013
See several of my demos attached below (in blue).

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