If there are any disputes regarding transactions, having cameras installed at the cash register can provide reliable evidence. Cameras equipped with microphones can record conversations during the transaction process, aiding in resolving any disputes between customers and cashiers.

Queue monitoring system utilizes surveillance cameras to monitor customer queue dynamics at supermarket checkout counters. By analyzing video streams, the system detects queue length, customer count, and waiting times. This enables management to gain insights into customer flow, allowing for timely allocation of cashier resources to alleviate congestion and reduce excessive waiting times. Ultimately, this enhances the overall shopping experience for customers.