Hikvision/VMS LPR Setup

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Hi,

Firstly, if I have not posted this to the most relevant forum can it please be moved.

I am hoping to get some ideas and recommendations for the following -

I am currently involved with a rollout of approx 50 cameras back to a large central system (300+ in operation). All new cameras at this stage will be Hik. The current system uses typical run of the mill Hik/Dahua cameras etc recording to multiple HIK NVRs. LPR is currently not used anywhere, the cameras are just for security surveillance.

The plan is to have LPR recording and functionality set up for a about 10 of these 50 new cameras. The features required will be to log all plates, be able to filter through recorded footage by number plates, and ideally have a "black list" that can alert someone if a black listed plate is picked up. IVMS is currently being used by users of the system.

I have experience with simple camera systems, but unfortunately have never used LPR cameras. I have having trouble coming up with the best and most cost effective way of doing this as I have heard some conflicting information -

To have the number plate features I am interested in, do I need to buy one of the more "upmarket" Blazer NVRs to unlock these features, or can I just buy the Hik LPR camera only and these features will become available when using IVMS? (recording to the standard NVRs)

Now to complicate it somewhat more, a VMS solution may be implemented during the next 12 months (milestone, genetec etc). I believe these systems can perfrom LPR themselves (or with a 3rd party analytic plugin/licence). If anyone has some experience I have further questions on this solution -

Is the software/VMS (server side analytics) way of doing this superior to having the camera (edge analytics) do it?

Am I correct in saying that if I did get the LPR camera, VMS's can actually retrieve this meta data without paying for the analytic plugin?

One of my thoughts is if the VMS does this well, why bother paying $100s and $100s more for a 2mp camera while I could spend a lot less and get a 6 or 8mp and then get the VMS to do it?

If I am way off the mark here can someone point me in the right direction.

Thanks
John
 

richardgohth

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For LPR, we recommend resolution of 300 pixels per metre.
Most CCTV cameras are for wide angle view and wont have such a high resolution.
For cameras above issue is always night performance illumination especially for non-retro reflective plates and at a distance say 25 metres away.

Anpr embedded in cameras has small arm processors and hence limited performance.
ANPR plug ins at VMS has the performance issues as they are generally from 3rd party and caters to too wide a range of cameras.

Like waterproofing, ANPR requires specialist contractors.

2 cents.

 
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