Lost item detection device, lost item notification system, and program

Abstract

We provide a lost item detection device, a lost item notification system, and a program that can reliably notify customers that they have left something behind. [Solution] The self-service POS terminal (lost and found device), which is a payment device, includes: an image capture control unit that captures a first image of the product stand where the product is placed before the customer starts registering the product, a second image taken from the same position as the first image after the customer has finished payment and left, and a third image including at least the customer's face and clothing while the customer is using the payment device; a lost and found unit that detects whether there is a possibility that the customer has left something behind by comparing the first image and the second image; and a lost and found information output unit that, if there is a possibility that the customer has left something behind, outputs at least the second image, the time the second image was taken, the third image, and information identifying the payment device to a service counter terminal (notification device) that notifies that there is a lost and found item.

Claims

1. A camera control unit causes the following to be captured: a first image of the product stand where no products are placed before the customer begins registering the products they wish to purchase to the payment device; a second image taken from the same position as the first image after the customer has finished payment at the payment device and left the payment device; and a third image including at least the customer's face and clothing while the customer is using the payment device. A lost item detection unit that detects whether there is a possibility that the customer has left something behind by comparing the first image and the second image, A lost-item information output unit, provided that the lost-item detection unit determines that there is a possibility that the customer has left something behind, outputs at least the second image, the time the second image was taken, the third image, and information identifying the payment device to a notification device that notifies the customer that there is a lost item. Equipped with, Lost item detection device.

2. The forgotten item detection unit performs an interframe difference between the area of ​​the product stand in the first image and the area of ​​the product stand in the second image, and if a predetermined number of pixels with a brightness difference of a predetermined value or more are detected as a result of the interframe difference, it determines that there is a possibility of an item being forgotten. The lost item detection device according to claim 1.

3. The first image is an image taken before the customer instructed the start of product registration, in a state where no person is visible in the third image. The second image is a photograph taken after the customer has completed the payment and before the third image is taken, when no person is visible in the image. The lost item detection device according to claim 2.

4. A camera control unit causes the following to be captured: a first image of the product stand where no products are placed before the customer begins registering the products they wish to purchase to the payment device; a second image taken from the same position as the first image after the customer has finished payment at the payment device and left the payment device; and a third image including at least the customer's face and clothing while the customer is using the payment device. A lost item detection unit that detects whether there is a possibility that the customer has left something behind by comparing the first image and the second image, A lost item detection device having a lost item information output unit that, on the condition that the lost item detection unit determines that there is a possibility that the customer has left something behind, outputs at least the second image, the time the second image was taken, the third image, and information identifying the payment device to a notification device that notifies that a customer has left something behind. A lost-and-found information acquisition unit acquires the information output by the lost-and-found information output unit, A lost item determination unit determines whether the customer has left something behind based on the information acquired by the lost item information acquisition unit, A guidance information generation unit generates guidance information indicating that an item has been left behind, based on the information acquired by the lost item information acquisition unit, provided that the lost item determination unit has determined that an item has been left behind by the customer. The notification device includes a guidance information output unit that outputs the aforementioned guidance information, Lost and found notification system.

5. The aforementioned lost item detection unit is The characteristics of the items visible in the area of ​​the product display stand in the second image are extracted, and based on the extracted characteristics of the items, it is determined whether the customer has left something behind. The lost item notification system according to claim 4.

6. A shooting control unit causes the following to be captured: a first image of the state before the customer begins registering the product they wish to purchase on the POS terminal, showing the product on the product stand without any products placed on it; a second image taken from the same position as the first image after the customer has finished payment on the POS terminal and left the terminal; and a third image including at least the customer's face and clothing while the customer is using the POS terminal. A lost item detection unit that detects whether there is a possibility that the customer has left something behind by comparing the first image and the second image, The lost item detection unit, on the condition that it determines that there is a possibility that the customer has left something behind, operates as a lost item information output unit that outputs at least the second image, the third image, the time the second image was taken, and information identifying the POS terminal to a notification device that notifies that a customer has left something behind. program.

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