How to calculate entropy of color image in matlab?

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Aarach Sap
Aarach Sap 2017-2-22
评论： Image Analyst 2017-8-19
I want to calculate entropy of color image. I found the command entropy(img) for the grayscale image. I dont know how to find entropy for a color image in matlab. Please help me.

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回答（1 个）

Walter Roberson
Walter Roberson 2017-2-22
reshape() the image to a vector and call entropy on that.
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Walter Roberson
Walter Roberson 2017-8-19
If you have a binary mask, then use it to index the image, and the result will be a vector; you can calculate the entropy of the vector.

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