How to logical AND gray scale image with a constant?
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ANDing an 8-bit gray level image with a constant value of 240 (11110000 in binary)?
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Image Analyst
2015-8-4
Use bitand():
n1 = uint8(170); % Some number
n2 = uint8(240);
% Show what they are
dec2bin(n1)
dec2bin(n2)
% And them
out = bitand(n1, n2)
% Show result
dec2bin(out)
ans =
10101010
ans =
11110000
out =
160
ans =
10100000
It works for images as well as individual numbers.
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