How to I get a threshold value from looking at histogram
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I need to get a threshold value not by looking at the graph I was told there is a way to calculate the threshold value from the histogram, Can someone help me
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Youssef Khmou
2015년 3월 29일
Otsu's method exists as built in function with name graythresh, here is an example taken from Mathworks help page :
I = imread('coins.png');
level = graythresh(I);
BW = im2bw(I,level);
there might be other techniques to choose an adequate threshold.
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