COMPARISON/SEARCH SYSTEM, COMPARISON/SEARCH SERVER, IMAGE CHARACTERISTIC EXTRACTION DEVICE, COMPARISON/SEARCH METHOD, AND PROGRAM

摘要

The present invention provides a collation/retrieval system including a first imaging means capturing an image including at least a reference section common in every product and a predetermined collation area of the product determined in advance at a position relative to the reference section, a product feature extraction means detecting the reference section from the image captured by the first imaging means to extract an image feature of the collation area determined by reference to the detected reference section, a storage means storing the extracted image feature of the collation area of the product, a second imaging means capturing an image including at least the reference section of a product to be collated and the predetermined collation area of the product determined by reference to the reference section, a to-be-collated product feature extraction means detecting the reference section of the product to be collated from the image captured by the second imaging means to extract an image feature of the collation area determined by reference to the reference section, and a collation/retrieval means collating the stored image feature with the image feature of the collation area of the product to be collated.