1. The problem statement, all variables and given/known data Hi there, I was wondering if anyone out there was familiar with image classification algorithms. I have been creating histograms of pixel intensity distributions. For example, suppose I have 100 images of a tiger and 100 images of a lion. I create 100 histograms using the tiger images (that is, create bins 0-10, 10-20,...,250-260) and get 100 CDF. I do the same for the images of the lions. Then, I just take the inner products of the unknown CDF and the known CDF. The one's with the greatest inner product is the class I assign the image to. Does anyone have any good reading material regarding this type of problem? My method can take a long time depending on the resolution of the images.