Patent ID: 8452102

Claim:
An image management apparatus for managing an image related to identification information for identifying an image shooting apparatus which shoots the image, the image management apparatus comprising: a sorting unit that sorts a plurality of images captured by a first image shooting apparatus based on shooting times of the plurality of images; a calculation unit that calculates a time interval between shooting times of two images which are adjacent in the sorted order, among the plurality of images it; a determination unit that determines a non-shooting time period, in which the calculated time interval is longer than a predetermined time interval; and an acquisition unit that acquires an image having a shooting time included in the determined non-shooting time period from a plurality of images related to a second image shooting apparatus, wherein the first shooting apparatus is different from the second shooting apparatus, and wherein the image management apparatus comprises a processor executing a program stored in a memory to implement at least a part of function of at least one of the units.