| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve a problem wherein an abnormal behavior is not detected correctly when a boundary between normality and abnormality is dynamically fluctuated, by a conventional embodiment technique for detecting a behavior coming out of a human normal behavior in an image learnt preliminarily, as abnormal behavior. Ž<P>SOLUTION: This abnormal behavior detector includes an image acquisition part for acquiring a monitoring-objective image, a person number detecting part for detecting the number of persons in the image acquired by the image acquisition part, a learnt data selection part for selecting a learnt data of the normal behavior in response to the number of persons detected by the person number detecting part, a non-normal behavior detecting part for detecting a non-normal behavior in the image acquired by the image acquisition part as the abnormal behavior, using the learnt data of the normal behavior selected by the learnt data selection part, and an announcement part for informing an external device of the purport of generation of the abnormal behavior when generated, based on a detection result form the non-normal behavior detecting part. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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