1. A digital image processing method comprising: obtaining photographing setting information from an input image; obtaining one or more candidate images corresponding to the obtained photographing setting information from a first database that stores a plurality of candidate images according to at least one of a candidate image photographing setting information and a plurality of image effects; and determining photographing setting information for a selected candidate image from the obtained one or more candidate images from a second database that stores photographing setting information corresponding to the plurality of candidate images.