How to find the gray level of local maxima in an image histogram?

Question

Laura Providência 2020-11-17

0
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https://ww2.mathworks.cn/matlabcentral/answers/651393-how-to-find-the-gray-level-of-local-maxima-in-an-image-histogram

回答： Rohit Pappu 2020-11-24

I have several images with an histogram similar to the one I attatched, and I need to know the gray level corresponding to the local maxima. I've tried findpeaks() but it won't work because there are a lot of bins with 0 counts so it is always finding local maxima. I've tried to remove the 0's but then I don't know the original position of the value and I can't find the corresponding gray level