1. A method comprising: identifying, by one or more processors, a set of images that depict a particular object; comparing, by one or more processors, an image in the set of images to another image in the set of images; associating, by one or more processors and based on the comparing, a first score with the image; modifying, by one or more processors and based on a location of the particular object within the image, the first score to obtain a modified first score; and storing, by one or more processors, information associating the modified first score with the image.