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Thanks all for your responses, they have been very helpful. Andrew (and all) - do you know of any published material relating to pedestrian trajectory mapping from CCTV images? i.e., the kind of work done by Hitachi and Shibasaki labs in Japan that you refer to? Regards, Rachna Rachna Gupta 020 7927 9700 -----Original Message----- From: [log in to unmask] [mailto:[log in to unmask]] On Behalf Of Andrew Smith Sent: 08 June 2006 15:36 To: [log in to unmask] Subject: Re: automated pedestrian counts/ use of video data Anzir Boodoo wrote: > Irisys demonstrated one a couple of years > ago (late 2003) which records the tracks of people through its sphere > of vision. I think that's the one they worked on with Jon Kerridge, previously mentioned by in this thread. The main problem we found with infra-red generally was the need for overhead mounting: when we did site surveys, there weren't many street locations where we could do this. I'm sure that there may well be large potential for indoor sites, but real-life implementation outdoors in the public realm proved to be very difficult. Because of this, it wasn't carried forward into the second set of trials. Regards, Andrew This message has been scanned for viruses by MailControl - www.mailcontrol.com