OBJECT TRACKING DEVICE, OBJECT TRACKING METHOD, AND CONTROL PROGRAM

An object tracking device which tracks a target object in a time-series image including a plurality of frames has a location information acquisition unit that acquires location information of a target object in a first frame, the target object being a tracked target, a detailed contour model generation unit that generates a detailed contour model in the first frame, on the basis of the location information, the detailed contour model being formed with a plurality of contour points representing a contour of the target object, and a search location setting unit that sets a plurality of different search locations in a second frame, the second frame being any one of frames following the first frame.