On Wed, May 02, 2001 at 01:30:28AM -0400, Tavin Cole wrote:
> On Wed, May 02, 2001 at 12:19:48AM -0500, Scott G. Miller wrote:
> > > 
> > > Now you just need to suggest a puzzle which is machine generatable, not
> > > machine solvable, and not too obnoxious.
> > 
> > Heres one idea, but I dont think it generates enough information for a
> > key.  I define "enough information" to be greater than 2^32 choices for
> > someone to do a brute force insertion to cover all the possibilities
> > mechanically.  
> > 
> > Easy:  Generate an image that contains a polygon formed from sparse,
> > non-connected dots more densly packed where the letter is.  Make it
> > significantly random.  Machine vision programs will suck at this, neural
> > nets can do it but they have to be fairly large and will be slow. 
> > Then present a 4 x 4 tile of line drawings.  Ask the user to pick which
> > one looks like the dotgram.  
> > 
> > 
> > The key is to pack more information into the presented image, and allow
> > for many choices.  Ever used Qbist in the GIMP?  A good system would
> > present a fairly complicated dotgram that required several directional
> > steps in a Qbist like interface.  Each choice would bring the image closer
> > to the real one.  This might be too annoying however.  
> > 
> > I'll think about some other ones.
> 
> Why not just display the insertion key in 3D text (such as that rendered by
> many of the gimp plugins), with lots of funky color and lighting effects.
> Even animate it somehow.  It can be converted to ascii art using aalib, for
> console users.

Too slow.  People sending email don't want to wait for some 3D thing
to render (which will especially be a problem if ray-tracing is being
used).

> For the blind, it is more difficult.  Some kind of distorted recording that
> allows the listener to piece together the characters in the insertion key
> is the best I can come up with.

Overall, the problem is that there are NO things that humans can do
that machines can't do, computationally, at the theoretical level.

-- 
Yes, I know my enemies.
They're the teachers who tell me to fight me.
Compromise, conformity, assimilation, submission, ignorance,
hypocrisy, brutality, the elite.
All of which are American dreams.

              - Rage Against The Machine

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