RE: Re: OT: OCR was New Speed Camera's

["Phil Harris" <phillip.harris1@xxxxxxx>]

*sigh*

Phil (Twelve Points At The Moment) Harris

> -----Original Message-----
> From: Dr John Tankard [mailto:john@xxxxxxx]
> Sent: 15 June 2001 10:10
> To: ukha_d@xxxxxxx
> Subject: [ukha_d] Re: OT: OCR was New Speed Camera's
>
>
> --- In ukha_d@y..., Keith Doxey <ukha@d...> wrote:
> > Likewise.
> >
> > We have a demo system at work which reads numberplates as people
> drive in
> > the main gate to the site as <5mph. It doesnt always read it
right
> even with
> > good lighting.
>
> My PhD was to do with this sort of thing, back in those days I
> started working on a XT, but later ported to a 286. Much of the
> recoginition part was in assembler, the front end was in pascal. The
> task was to recoginise patterns in punched cards (like 80 col cards
> but with round holes up to 720 holes of different sizes) as they
> travelled in fornt of a camra, the target was to process one image
> every 2 seconds, when I finished I could do 5 per second, that
> inculded analysing the code stored in the card.
>
> In my case like the numberplate reader the big problem is not having
> a datum to work to, you have to find the number plate in the image,
> just as I had to find the card, it could go anyware in the field of
> view. Also the numbers on the plate do not start at a set position,
> the same was true in my case the holes were not placed relative to
> the edge of the card bu relative to each other. The point I am making
> is the recognition part is fairly easy, its finding the image to
> process that the problem. From memory about 80% of the processing was
> to find the start point and angle of the image.
>
> If this can be done with a 286, I am sure it will not be to long
> before the men in blue will be very very good at this, Remember they
> also dont have to do it in real time, the image can be stored and
> processed, the system can spend longer on difficult images if needed
>
> If you speed a lot watch out, it will not be long before that hoax
> email _will_ be fact.
>
> John (No points at the moment) Tankard
>
>
>
>
>
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