H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/18 (2006.01) G08B 13/194 (2006.01)
Patent
CA 2434700
An active video surveillance system and active video surveillance method therefore of the present invention mainly is provided to continuously taking the wide-angle image signals within a surveillance area by an image-taking device, and a,processing device is employed for continuously comparing the latest and the second latest wide-angle image signals. Then, a moving target is identified when a difference occur there between and the image-taking device or a second image-taking device is immediately driven to take the enlarged image signals of the moving target, and the said wide-angle image signals and the said enlarged image signals are recorded into a recording unit. By using the above-mentioned design, the video surveillance system is able to enhance the definition and identification capability of specific moving targets.
Chang Chao-Hung
Mccarthy Tetrault Llp
LandOfFree
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