Shoppers who view the self checkout as an opportunity slip the odd item into their bag without paying could soon nd themselves busted by a new video recognition system called Scan-It-All.

The system monitors supermarket security videos in real time, comparing the number of items a customer has in a basket with the number of items the customer scans. If the cameras spot a discrepancy, the so ware noti- es a member of sta .

“It can see the customer has ve items but has only rung up three of them,” said StopLi Checkout Vision Systems CEO Malay Kundu.

Loss rates at selfcheckouts were currently ve times higher than at manned ones, he added.