| CPC G06V 20/52 (2022.01) [G06Q 20/208 (2013.01); G07G 1/0018 (2013.01); G07G 1/14 (2013.01)] | 12 Claims |

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1. A non-transitory computer-readable recording medium having stored therein a program that causes a computer to execute a process comprising:
acquiring product information registered on a specific machine which reads a code of a product;
identifying a first number of products registered on the specific machine based on the acquired product information;
acquiring, from a neural network that inputs an image capturing a user in front of the specific machine and outputs, when there is an interaction between a product and the user, detection information indicating an area where including product region information representing a region of the product held by the user by coordinates, the output detection information;
specifying an action of the user of moving the product to a scan region of the specific machine to register the product to the specific machine based on the product region information included in the output detection information and the scan region wherein the scan region is specified from the image and is where the code of the product held by the user is read by the specific machine;
identifying a second number of times of carrying out the action; and
generating an alert based on the first number and the second number.
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