VISUAL KEYWORD EXTRACTION DEVICE, BoF EXPRESSION GENERATING DEVICE USING THE SAME, AND VISUAL KEYWORD EXTRACTION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a method for generating a visual keyword capable of accurate image retrieval.;SOLUTION: A reception part 1 receives a plurality of learning local feature quantity. A clustering part 2 performs clustering so that the learning local feature quantity within a predetermined number belongs to one cluster. An extracting part 3 extracts a visual keyword representing the cluster generated by the clustering part 2.;COPYRIGHT: (C)2014,JPO&INPIT