Recall product support server detection, recall product detection program and recall product detection method

摘要

PROBLEM TO BE SOLVED: To reduce detection oversight of recall target products and improve a product collection rate of recall.SOLUTION: A recall product detection support server 1 receives a product image and detail information of a product (a product ID, a manufacturer name, a product code and the like) that are transmitted from a manufacturer terminal device 2 to register the product image and the detail information with a product database 10, also generates a watermarked image by embedding a digital watermark in the registered image to register, then transmits the generated watermarked image to the manufacturer terminal device 2. Also when the server 1 receives a recall occurrence notification transmitted from the manufacturer terminal device 2, the server 1 compares the watermarked image of a recall target product among products registered with the product database 10 to all product images registered with a commerce exhibition database 30-1 to transmit watermarked images and pieces of detail information (user information of an auction exhibitor or a shopping exhibitor, purchased person history information of purchased person who purchased the product, and the like) of all matching products to the manufacturer terminal device 2.