Multiple image histogram on the same figure
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Hi I would like to know how I can plot multiple histogram on the same figure with different color next to each other using imhist command. I know how to do it using hist for a vector but I am looking for doing exactly same thing but for images. something like uploaded image but using imhist.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/153959/image.jpeg)
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Image Analyst
2014 年 8 月 4 日
Why can't you just use hist() or histc(), and bar() or plot()???
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Image Analyst
2014 年 8 月 4 日
You have to vectorize the array first:
counts = hist(array2d(:), 256);
Otherwise you'll get a histogram for every column in the image.
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