Fraudulent act recognition device, control program therefor, and fraudulent act recognition method

A checkout system comprising:

• a settlement terminal configured to be operated by a purchaser to register a commodity for purchase;
• a camera positioned to generate imaging data representing operation of the settlement terminal by the purchaser;
• and
• a fraudulent act recognition device operatively coupled to the settlement terminal and the camera, the fraudulent act recognition device comprising a controller configured to:
• receive data from the settlement terminal, the data indicating a current state of the settlement terminal;
• review the imaging data provided by the camera to recognize an action of the purchaser, the action including a movement of a hand of the purchaser holding the commodity;
• determine that the action of the purchaser is indicative of a fraudulent act in response to a determination that both (a) the settlement terminal has recognized a commodity registration operation for the commodity and (b) the movement of the hand of the purchaser is a movement associated with replacing the commodity including at least one of (i) movement of the hand toward a floor or (ii) movement of the hand toward an area behind the purchaser;
• and
• provide a notification in response to a determination that the action of the purchaser is indicative of the fraudulent act.

A fraudulent act recognition method comprising:

• recognizing a commodity registration operation of a settlement terminal initiated by a purchaser;
• reviewing imaging data provided by a camera to recognize an action of the purchaser who performs the commodity registration operation for a commodity, the camera being positioned to monitor operation of the settlement terminal by the purchaser, and the action including a movement of a purchaser holding the commodity;
• determining that the action of the purchaser is indicative of a fraudulent act in response to a determination that the movement of the purchaser is a movement associated with replacing the commodity including at least one of (a) movement by the purchaser of the commodity toward a floor or (b) movement by the purchaser of the commodity toward an area behind the purchaser;
• and
• providing a notification to an attendant in response to a determination that the action of the purchaser is indicative of the fraudulent act.