How to get the probability of the intensity level of an image ?

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Sahar Magdy
Sahar Magdy le 2 Mai 2015
Commenté : Image Analyst le 2 Mai 2015
I have a grey scale image that I want to get the probability of every intensity level, I know it mathematically but i have no idea how to do it on Matlab please help !!1

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Image Analyst
Image Analyst le 2 Mai 2015
[pixelCounts, grayLevels] = imhist(grayImage);
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Sahar Magdy
Sahar Magdy le 2 Mai 2015
Won't that get me the number of pixels in each grey level ?
Image Analyst
Image Analyst le 2 Mai 2015
Yes, of course. And how do you think you'd get the probability? Divide by something? Like what if you divided by the number of pixels in the image? What is the formula that you "know mathematically" if it's not what I described?

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