I am trying to calculate the energy of an RGB image by summing up the squares of pixel values (i.e., $\sum_{i=1}^{W}\sum_{j=1}^{H}(R^2+B^2+G^2)$). I was wondering if this is the right way to calculate the energy of a color image. I found literature on calculating the energy of a grayscale image but not for a color image. Could someone point me in the right direction? Thank you.
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Images don't have energy as far as I know. Where have you encountered this terminology? Can you share some references? – Sep 15 '18 at 12:49
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What's the definition of the "energy" of an image? – David C. Ullrich Sep 15 '18 at 13:12
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https://stackoverflow.com/questions/4562801/what-is-energy-in-image-processing – user3817020 Sep 15 '18 at 13:12