1. A method comprising: identifying one or more images in content using a signature derived from the one or more images by at least: determining a region of interest for the one or more images using color analysis; computing one or more vectors of the determined region of interest of the one or more images to derive the signature, each said vector corresponding to a characteristic of the one or more images; and comparing the computed one or more vectors of the signature with at least one other said signature of at least one other image to identify the one or more images; and supplementing metadata associated with the content based on the identified one or more images, the metadata configured to support a search for information related to the metadata.