US Patent 9473747 Whole store scanner

Video monitoring and tracking techniques are addressed to allow consumers to purchase items in a store with no need to checkout at a traditional checkout lane. A large number of cart check and shelf check cameras monitor additions to carts and removals from shelves along with knowledge of location and what is on a particular shelf are employed to analyze which products are selected for purchase. Customer analytic data, as well as, store inventory data are preferably also developed from the camera image data.