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Abnormality detection apparatus and method

  • US 6,504,482 B1
  • Filed: 01/04/2001
  • Issued: 01/07/2003
  • Est. Priority Date: 01/13/2000
  • Status: Expired due to Fees
First Claim
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1. An abnormality detection apparatus for detecting an event where a monitored object in a room has lapsed into an abnormal state, the apparatus comprising:

  • image pickup means for picking up an image of a scene in the room;

    feature-quantity extraction means for extracting an image feature quantity from the image picked up by the image pickup means; and

    judgment means for determining whether the monitored object in the room has lapsed into the abnormal state or not based on the time-variations of the image feature quantity extracted by the feature-quantity extraction means.

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