The present invention provides a first imaging unit that captures an image including at least a reference part that is common to products and a predetermined collation region of the product that is predetermined in a relative position with respect to the reference part. , Product feature extraction means for detecting the reference part from the image picked up by the first image pickup means and extracting the image feature of the collation area with reference to the detected reference part; and Storage means for storing the image features of the collation area; second imaging means for imaging an image including at least the reference portion of the product to be collated and the predetermined collation region of the product with reference to the reference portion; A target product feature extracting unit for detecting a reference part of a product to be verified from an image captured by the second imaging unit, and extracting an image feature of a matching region based on the reference part; An image feature being, a matching and retrieval system and a collating means for collating the image feature matching areas of the product of the matching target.
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