| 摘要 |
Disclosed are an apparatus and a method of detecting change in a background area. The apparatus comprises: at least one image pick-up device for picking up an image of an object zone; a background area extraction section for extracting a background area by excluding a moving area from a current input image picked up by the at least one image pick-up device; a reference image storage section for storing a predetermined reference image for the object zone; a comparison section for comparing the background area with the reference image; and a judging section for determining whether there has been change in the background area on the basis of the comparison result of the comparing section and outputting the result. Using the disclosed apparatus and method, it is possible to enhance efficiency of security, and to effectively cope with theft, calamity, or the like, because the apparatus and method can determine an invader's action of intentionally interrupting normal operation of an image pick-up apparatus.
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