发明名称 Multiple backgrounds
摘要 A method for monitoring a monitored area comprising the steps of recording an image of the monitored area and of comparing the recorded image with a reference image in order to determine whether there is an alarm situation. The method further comprises the step of creating the reference image by combining at least two previously stored images from a set of images, so that the lighting conditions in the reference image are adjusted to the lighting conditions in the recorded image.
申请公布号 US2002039135(A1) 申请公布日期 2002.04.04
申请号 US20010746511 申请日期 2001.04.23
申请人 HEYDEN ANDERS 发明人 HEYDEN ANDERS
分类号 G06T7/00;G06T7/20;G08B13/194;H04N7/18;(IPC1-7):H04N7/18 主分类号 G06T7/00
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