| 摘要 |
An inspection apparatus is located at a check-out desk for acquiring and displaying a still image of portion of a moving shopping cart, the image being immediately available for viewing by the cashier for purposes of inspection. Images are also sequentially stored alon g with corresponding date/time/desk information to create a record that may be retained for an arbitrary period of time. The apparatus comprises a sensor for detecting the presence and longitudinal reference position of a shopping cart, an electronic camera, a short-term image storage buffer, a medium-term image store, an image display device, electronic logic to manage the timing of image acquisition and display, and a data communications interface to a computer system.</SDOA B>
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