US Patent 7565952 Small footprint self checkout method

Aspects of a self checkout method are described. The method includes utilizing an imaging scanner to image products being purchased; providing a bag rack with scales substantially adjacent the imaging scanner for holding a bag to receive imaged products; and utilizing a computer system to process data from the imaging scanner and the bag rack to ensure complete and secure product purchasing. The method also includes utilizing the computer system to process image data from the product imaging scanner to track movement of each imaged product relative to the bag rack and determine whether each imaged product is entering or exiting the bag.