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Disadvantages of the Old Centralized Standard Security Camera

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Usually, cameras only supply the images while the processing and recording is done later on a central PC using expensive video management software.  This traditional centralized structure has many limitations, since it requires high network bandwith and the PC processing power is not enough for several cameras.   An HDTV MPEG4 film already puts considerable strain on a PC, so how can it be expected to process dozens of high-resolution live cameras?

Traditional central systems are less suitable and unprofitable when compared with high-resolution systems due to the high number of PC’s needed.  The higher the resolution, the more accurate the detail in the image.  With analog technology, a recorded image generally has no more than 0.1 megapixels.  Imagine what you can see with a camera that records with 3.1 megapixels?   You can see approximately 30 times more detail!  As a result, larger image areas with up to 360 degree all-around views are possible, thus reducing the number of cameras, and there the costs.  For example, four lanes of a gas station can be recorded with one camera instead of the four conventional cameras.

Unlike other systems, with a decentralized concept, a high-speed computer and if necessary, digital long-term memory  is built into the camera.   This provided several days of continuous recording time.  the PC and the video control center now serve only for viewing and controlling the cameras (not for analysis or recording).  This makes it unnecessary to purchase expensive video management software, as the most important and computer-intensive functions can already be integrated into the cameras.

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