11. The system of claim 10 , wherein the one or more aspects of the region of interest include at least one of color, shape, and texture.
10. A system comprising one or more computers configured to: identify an image in a first storage system; determine whether a second storage system includes an entry for the image identifying a region of interest in the image; when the second storage system does not include an entry for the image, identify a region of interest for the image; perform one or more transforms on the identified region of interest in order to identify one or more aspects of the identified region of interest.