how i can make a part of image black
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I would like to crop an image that is, make a small block of an encrypted image black. How can i do that?
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Image Analyst
il 21 Mag 2018
Modificato: Image Analyst
il 21 Mag 2018
First, decrypt it, then set the block to black (zero)
yourImage(row1:row2, column1:column2, :) = 0;
Or crop it
yourImage = yourImage(row1:row2, column1:column2, :);
Then encrypt it again if you need to.
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