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
Answers (1)
Youssef Khmou
on 29 Mar 2015
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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