1. An image processing apparatus comprising: scene change detection means configured to detect a scene change in a motion picture; object detection means configured to detect a predefined object that is contained as a subject in still pictures constituting the motion picture; and determining means configured to determine, in accordance with the result of a detection operation that is performed by the object detection means in relation to still pictures constituting a predefined scene between a scene change detected by the scene change detection means and a chronologically adjacent scene change, whether the predefined scene contains a still picture containing the predefined object as a subject.