In an image retrieving and delivering system and an image retrieving and delivering method, a feature descriptor is retrieved from a data base, in which each of a plurality of images including a moving picture and a static picture is registered with a feature descriptor describing the feature of the...http://www.google.com/patents/US7031965?utm_source=gb-gplus-sharePatent US7031965 - Image retrieving and delivering system and image retrieving and delivering method