This invention enables an intention of a photographer to be reflected with greater accuracy in image processing based on actions performed by the photographer when taking an image. Based on user information acquired by a user information acquisition section, supplementary information such as whether a composition flag is on or off and assignment of an image classification is recorded with an image. Based on the supplementary information, various types of image processing such as setting an image trimming range, imparting an effect, and arranging an image on a mount are performed.