Buckinghamshire CC ANPR cameras

Peter Fairbrother zenadsl6186 at zen.co.uk
Mon Jan 9 17:21:47 GMT 2012

If all they want to do is monitor traffic levels and average journey 
times, then a short - say 10 bit - hash is appropriate. Still not 
private, but it's enough to get the needed data without overly 
complicating things.

If the hash function is such that the hash changes say every day, or 
better for every rush hour, then very little private data would be 

-- Peter Fairbrother

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