2 Dimensional image histogram

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hend
hend 2014-12-13
回答： Image Analyst 2014-12-13
I want to make a 2 dimensional histogram between the original image and its average mask, can anyone help me
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Image Analyst
Image Analyst 2014-12-13
What is an "average mask"? And what do the two axes represent? Do you mean the gray level cooccurrence matrix?
hend
hend 2014-12-13
it's a histogram of the image gray level and its local average on x and y axes respectively. which used in computing the 2D otsu's method like this paper

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Image Analyst
Image Analyst 2014-12-13
Try the attached code. It's about all I have time for but it will get you started.

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