4K video surveillance cameras are here to stay… in the wake of television, went from analogue to the digital, HD ready to full HD at 1080 p and now begin to see TVs on the market with 4K resolutions. As or the same is happening in the video surveillance. But, what really is 3l 4K, which offers?
Because it’s an increase in the size of the resolution until the 3840 x 2160 pixels, i.e., 4 times the resolution of a 1080 p HD camera. If an HD camera offers 1920 x 1080 pix, 4K is the result of multiplying the resolution 1920 x 2 = 3840 1080 x 2 = 2160 and pix pix.
According to equzhou, one of the advantages of this great image quality, is the possibility of making a powerful zoom on the image, both live and on recordings, allowing to expose details at first sight you passed unnoticed.
It is only a matter of time before we finish of migrating from analogue to digital, practically has already taken that leap. Right now we are in a process of either update the surveillance a semi high definition (HD ready/720 p) or high definition (full HD/1080 p), either with systems fully HD CVI, HD-SDI, IP, etc.
It is clear that each time we demand more quality in viewing, both live and in recordings. Ever more galling that grain on a recording, this pixelated with with the increase of the resolution leaves a problem. all this also comes and has to be accompanied by an increase in the speed and capacity of our internet networks to be able to transport such data flow. Here is where the optical fiber plays a fundamental role, as well as the H.265 compression system used for 4K.
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