Category weight setting apparatus and method, image weight setting apparatus and method, category abnormality setting apparatus and method, and programs therefor

摘要

When images are classified into categories, which of the categories has important images can be understood easily without a burned on a user. For this purpose, a category weight calculation unit statistically calculates a weight of each of the categories obtained by classification of the images, based on at least one of characteristic quantities comprising the number of images therein found by considering similar images therein, a total photography time thereof, a rate of similar images therein, a rate of human images therein, and an average number of human faces therein.