I have binary fingerprint image . I want to count the number of transform 1 to 0 between 2 point . the value of two point is 0. Can any bode help me for write matlab code of it?
my picture is here:
My points are a , b . I draw line between a , b
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2obtain the vector of values that correspond to your line first, then use diff to calculate number of transforms – GameOfThrows Jun 28 '16 at 15:30
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can tell me how obtain vector of values that correspond to line? – jiang Jun 29 '16 at 19:12
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Use improfile:
c = diff(improfile(I,x,y));
where x and y are vectors of end point coordinates of the line. Then count nonzero elements in c.
Vahid
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thanks for your help. improfile function is for gray and rgb image but my image is binary and the values of improfile is 0 matrix always. is there any function like improfile for binary image? – jiang Jun 29 '16 at 13:18