Buckinghamshire CC ANPR cameras

Peter Tomlinson pwt at iosis.co.uk
Tue Feb 7 16:19:50 GMT 2012

You should "always get the same subset of the registration", but off the 
motorways there are a lot of cars (and even some vans) with incorrectly 
formatted plates [1] that may well confuse. Mysteriously, on the 
motorways I have seen very few illegal plates...


[1] It just might be that I live in a lawless place.

On 07/02/2012 15:06, Clive D.W. Feather wrote:
> Roland Perry said:
>> But this begs the question of how the "centre section" is
>> defined, because if it's not very precise (either in inches or in number
>> of characters) then it wouldn't even work for the traffic measurement.
> Firstly, the plate is a nice yellow rectangle, which should make it easy to
> spot on all except white and yellow cars.
> If you define "centre" as being the central 50% of the width then, *for a
> given car* you'll always get the same subset of the registration. It might
> be a different subset for different cars, but that's irrelevant.

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