As I am not very familiar to signature recognition (as you may have noticed) where can I learn how to get the algorithm in code form? Also, are there other methods that could get a more precise output?
Thanks, Pierce F. On 11/3/08 1:47 AM, "Raphael Sebbe" <[EMAIL PROTECTED]> wrote: > If you have access to the temporal sequence of events (not just final image), > DTW (Dynamic Time Warping) could be an easy approach. You would have to choose > features (pressure, location, speed, acc) with respect to time, then record a > few "templates" for the reference signature. The output of the DTW algorithm > is a distance to each template, which you can threshold to tell OK, NOT TOO > FAR, DIFFERENT. > > To get input to that algorithm in Cocoa, well, an NSView subclass + handling > events, I guess. > > Raphael > > On Mon, Nov 3, 2008 at 3:14 AM, Pierce Freeman <[EMAIL PROTECTED]> > wrote: >> I have been looking at various open source projects/sites but still >> can't find a way to check two signatures to see if they are the same in >> Cocoa. For example: On setup, "User A" writes his name on his tablet, then >> "User B" tries to sign in using an imitation signature, but it will return >> an warning message instead of doing the task. I have read a few articles, >> but can't make any sense out of how to use the information in Cocoa. If >> anyone could tell/point me to any information of the best way to do this in >> Cocoa, it would be great. >> >> >> Pierce F. >> >> >> _______________________________________________ >> >> Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) >> >> Please do not post admin requests or moderator comments to the list. >> Contact the moderators at cocoa-dev-admins(at)lists.apple.com >> <http://lists.apple.com> >> >> Help/Unsubscribe/Update your Subscription: >> http://lists.apple.com/mailman/options/cocoa-dev/raphael.sebbe%40gmail.com >> >> This email sent to [EMAIL PROTECTED] > > _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
