OPTICAL FLOW CALCULATION DEVICE, OPTICAL FLOW CALCULATION METHOD, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a technique for improving a probability of detecting a correct corresponding point while reducing a computational complexity in search.SOLUTION: An optical flow calculation device comprises: search region determination means of determining the size of a region in which a corresponding point corresponding to a base point of a search image input after a reference image is searched for according to values of the predetermined base point in the reference image on a coordinate system having its origin in the center of the input reference image; and corresponding point search means of searching for the corresponding point by comparing an image region in a predetermined range having its center at the base point of the reference image with an image region in the predetermined range of a search image having its center at a search point included in the region determined by the search region determination part.SELECTED DRAWING: Figure 1