FEATURE EXTRACTION DEVICE, METHOD, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To appropriately extract a feature.SOLUTION: On the basis of relationship of each distance between each local area and a gravity center coordinate of an image calculated on the basis of center coordinates relating to respective characteristic local areas detected from the input image, a subset generating part 40 hierarchically generates subsets of the local areas with the predetermined number of hierarchies, respectively.