Presence detection system
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United States of America
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May 3, 2022
Grant Date -
Jan 13, 2022
app pub date -
Jul 9, 2020
filing date -
Jul 9, 2020
priority date (Note) -
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Abstract
A presence detection system includes a camera that captures an image; an appearance-based detector that detects appearance of an object according to the image, thereby outputting an appearance-detection signal that is asserted when the appearance is detected; a proximity detector that detects motion of the object on a predetermined detection window on the image, thereby outputting a proximity-detection signal that is asserted when the motion is detected; and a fusion unit that receives the appearance-detection signal and the proximity-detection signal, thereby outputting an object-presence signal that is asserted when the appearance-detection signal or the proximity-detection signal is asserted.
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