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.
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. 19. The system of claim 10 , further comprising the first storage system and the second storage system.