RE: Going from simple to super CAPTCHA

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I've been reading along, very informative :) I found Osama within 20 seconds
and as someone posted already, looking for his head wouldn't be much of a
task for a computer.

Has anyone tried cracking/hacking what Microsoft has done with the animal
pictures? That seems rather easy for even preschoolers, but a human non the
less. They have many people working on this exact subject, and being paid
I'm sure more than what its worth, but is there even a discussion if they
have the answer? Other than the completely blind, anyone can tell what a cat
is, and they could even take it further by added a bark or meow or something
similar. Can a computer tell the difference between a bark and a meow? Each
animal has its unique vocal tones and cry signature... just as a human
(who's not impersonating, which as long as its not a picture of the mocking
bird.......), does this help at all? Instead of relying on our own known
dictionary and numbers.... Everyone knows about animals...... My 0.02

Jake


> -----Original Message-----
> From: tedd [mailto:tedd@xxxxxxxxxxxx] 
> Sent: Tuesday, June 12, 2007 10:27 PM
> To: Robert Cummings; Tijnema
> Cc: tedd; Stut; Jim Lucas; php-general@xxxxxxxxxxxxx
> Subject: Re:  Going from simple to super CAPTCHA
> 
> At 12:29 PM -0400 6/12/07, Robert Cummings wrote:
> >On Tue, 2007-06-12 at 18:19 +0200, Tijnema wrote:
> >>  On 6/12/07, Robert Cummings <robert@xxxxxxxxxxxxx> wrote:
> >>  > On Tue, 2007-06-12 at 12:01 -0400, Robert Cummings wrote:
> >>  > > On Tue, 2007-06-12 at 11:56 -0400, Robert Cummings wrote:
> >>  > > >
> >>  > > >
> >>  > > >     (10000 * 100) / 1000000 = .10 = 10% of the time
> >>  > >
> >>  > > Bad math alert... (10000 * 100) / 1000000 = 10    ;)
> >>  > >
> >>  > > Still the same answer though, was just mixing what I 
> wrote with what I
> >>  > > was thinking :)
> >>  >
> >>  > Bleh, what's wrong with me today... it's 1% not 10%. 
> Still within reason
> >>  > for a spammer.
> >>  >
> >>  > *smacks head to clear the fog*
> >>  >
> >>
> >>  So, that means that you need to allow maximum of 10 
> attempts per few
> >>  minutes, so that there will be 0,1% change ;)
> >
> >Using Ted's technique I've found the perfect CAPTCHA -- and it's fun
> >too:
> >
> >     http://shorl.com/nomojeryprafri
> >
> >Cheers,
> >Rob.
> 
> I was wondering when someone would suggest "Where's Waldo?"
> 
> Cheers,
> 
> tedd
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