SECURITY MONITORING SYSTEM AND CORRESPONDING ALARM TRIGGERING METHOD
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United States of America Patent
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Issued Date -
Jun 30, 2016
app pub date -
Aug 5, 2013
filing date -
Dec 17, 2012
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Abstract
Provided are a security surveillance system and an alarm triggering method thereof. The method includes steps of: acquiring, by a first processor, a first signal indicating that an infrared sensor is triggered; controlling, according to the first signal, a first lens to capture a first image; acquiring a stored first background image; comparing the first image and the first background image to obtain a difference; and triggering a first alarm operation if the difference meets a preset condition. By using a manner in which infrared sensor detection and image difference detection function together, the probability of false alarm caused by high ambient temperature can be reduced.
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