Histogram and Normalized Histogram for an Image

Question

Wadee Maimani 2021-1-21

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https://ww2.mathworks.cn/matlabcentral/answers/723368-histogram-and-normalized-histogram-for-an-image

回答： Shashank Gupta 2021-2-1

I have an image

and I want a read it first

after that making histogram and normalized histogram for this image

how I can do it?

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Answer 1

Shashank Gupta 2021-2-1

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https://ww2.mathworks.cn/matlabcentral/answers/723368-histogram-and-normalized-histogram-for-an-image#answer_611158

Hi Wadee.

Check out imread function for reading an image and imhist function to plot the image histogram. I am not sure if you want a normalized histogram or do a histogram equilization. Either case check out this link for normalization and for equalization there are quite a lot of function available in MATLAB like histeq and adapthisteq.

I hope this reference helps you.

Cheers.