1. An image digest processing device, comprising: a Bregman distance matching unit that generates a Bregman distance based, in part, on a generated model of a distortion type within a selected set of images; a transformation unit that generates a transform domain representation of an image within the selected set of images based, in part, on a selected transform function; an approximation unit that generates a nonnegative matrix approximation of the transform domain representation of the image based, in part, on the generated Bregman distance; and a digest creation unit that generates an image digest based on the generated nonnegative matrix approximation.