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A high-end 540TVL (720X540 = 0.389 megapixels; A standard IP camera or analog cameras are 640X480 = 0.307 megapixels) camera would only be able to view this image and would then need to be zoomed in telescopically via PTZ to view the detail loosing the rest of the picture that is out of view.

With Megapixel cameras, forensic zooming can be capable while its simultaneously recording onto the NVR (network video recorder) server as the whole picture and vice versa by watching recorded video while forensic zooming on the desired view. The ability to capture not only situation awareness the big picture of what is going on but also fine details that can be used for license plate reading and identifying people. The combination of situational awareness and detail allows security operators to react faster and reduce investigation time, all with a higher probability of prosecution and conviction. Trying to achieve this with an analog camera would not be possible as 0.3 megapixel would simply not be enough pixel resolution to achieve this. New HD surveillance solutions that preserve image quality are transforming the surveillance industry.

One of the most compelling advantages of high-definition surveillance systems is their ability to capture not only situation awareness the big picture of what is going on but also fine details that can be used for license plate reading and identifying people. The combination of situational awareness and detail allows security operators to react faster and reduce investigation time, all with a higher probability of prosecution and conviction.