1. A method for aiding a user in selecting images based on photographic style, comprising: with a trained classifier of a computing device that has been trained on images annotated according to a set of photographic style categories, assigning a style value for each of the set of photographic style categories to each of a set of database images; receiving a user's selection of a subset of the photographic style categories; generating a user interface for assigning values to each of the selected photographic style categories; and identifying a subset of images in the database based on the user's assigned values for each of the selected photographic style categories and the style values for each of the selected photographic style categories of the database images.