Testing surveillance camera installations
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United States of America Patent
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Nov 6, 2012
Grant Date -
Dec 10, 2009
app pub date -
Mar 28, 2007
filing date -
Mar 29, 2006
priority date (Note) -
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Abstract
This invention concerns the testing of surveillance camera installations. In particular, the invention involves an automatic testing system for surveillance camera installations, and a method for testing. The invention involves receiving test or “probe” images from at least one camera in the installations. Storing a reference image from at least the one camera. Comparison of the probe image with a reference image from the same camera, and production of an output when maintenance is required for that camera. The comparison involves the steps of: Extracting salient features from both the probe and reference images. Calculating matching factors between the salient features extracted from both images. And, computing a decision about whether maintenance is required from the matching factors.
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