Histogram of ROI of an image
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Hello , can any one suggest best for , how to find histogram of ROI of an image
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Answers (2)
Image Analyst
on 1 Jan 2013
I use imhist(). Is your ROI rectangular, or free form? Let me know if you want a demo.
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Andrew Choo
on 1 Sep 2015
Hi Image Analyst. Can I have a linear ROI instead of a freehand one for this code? And also, is there a way to compare the intensity values of 2 similar roi with a histogram at the same time? Thank you! Your code has helped me greatly.
Matt J
on 1 Jan 2013
If ROImask is a logical mask for the ROI, you can do
histc(yourImage(ROImask),...)
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