1. An image processing device comprising: a region setting unit configured to detect a part of a body or a body as a target for being recognized from a photographed image which is aligned in time sequence and set a recognition region based on the detected part of the body or the body; a processing unit configured to track the recognition region in the photographed image set by the region setting unit; a feature amount extracting unit configured to extract a feature amount from the tracked recognition region in the photographed image; a recognition unit configured to recognize a specific movement of the part of the body or the body based on the feature amount extracted at the feature amount extracting unit; and a display control unit configured to control a display of a frame denoting the recognition region set by the region setting unit.