MOVEMENT HISTORY CHANGE METHOD,MOVEMENT HISTORY CHANGE PROGRAM, MOVEMENT HISTORY CHANGE DEVICE

A movement history change method for a computer to execute a process includes acquiring identification information of a first object detected at a first location by a sensor and a detection timing of the first object from object detection history information that indicates time-series of detection; identifying identification information of a second object present at the first location at a first timing corresponding to the detection timing in the object movement history information generated from a video; and changing the identification information of the second object to the identification information of the first object in the object movement history information.