| 摘要 |
A system for monitoring the behaviour of people, such as customers in retail premises, includes a video camera viewing an area of interest (1) adjacent a visual stimulus (2) and processing means (7) for processing video signals from said camera at different times to determine hesitation or delay of people (3) traversing said area, and means to provide an indication of a response by said people to said visual stimulus. The system employs techniques such as moving edge detection and/or block matching.
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