SELLING COMMERCIAL ARTICLE RECOGNITION DEVICE AND SELLING COMMERCIAL ARTICLE RECOGNITION METHOD OF AUTOMATIC VENDING MACHINE AND COMPUTER PROGRAM

PROBLEM TO BE SOLVED: To quickly and easily grasp a commercial article handled by an automatic vending machine.SOLUTION: A selling commercial article recognition device 101 of an automatic vending machine has: an image alignment unit that performs an alignment of a plurality of input images, including a commercial article display area R having a commercial article to be sold by an automatic vending machine of interest arrayed so as for a customer to determine and a periphery area including a component provided on a front face of the automatic vending machine, by setting them as a process object; an image synthesis unit that generates a synthesis image on the basis of the plurality of aligned input images; and an image collation unit that identifies a commercial article to be sold by the automatic vending machine of interest by collating whether or not an image showing a commercial article likely to be displayed in the commercial article display area is included in the synthesis image.