OCR Research Team Blog

17 March 2005

A huge amount of links

We found many links to CAPTCHA-related resources. Going to post it here - just to know where to find all of it in future. So:

Breaking a Visual CAPTCHA
http://www.cs.berkeley.edu/~mori/gimpy/gimpy.html
Greg Mori and Jitendra Malik found how to break Gimpy - very famous CAPTCHA, used on Yahoo

aiCaptcha
http://www.brains-n-brawn.com/default.aspx?vDir=aicaptcha
This guy is a real monster! He broke SomeBlogSite.com with a very good style! We was impressed!

PWNtcha - captcha decoder
http://sam.zoy.org/projects/pwntcha/
Interesting CAPTCHA breaking project. It have already broke many CAPTCHAs

Results of one more breaking of Gimpy
http://www.cs.berkeley.edu/~mori/gimpy/hard/

Thees guys delepose two very silly CAPTCHAs
http://www2.parc.com/istl/projects/captcha/captchas.htm
lol :)

Face recognition from MS invertigators :)
http://research.microsoft.com/~yongrui/ps/MMSJ04HIP.pdf
We think this alternative way will never be implemented

3D CAPTCHA
http://home.nyc.rr.com/spamsolution/An%20Effective%20Solution%20for%20Spam.htm
Wow! When I heard "3D" I thought they steal our idea. BUT! This is just jet another ugly idea like with faces

Someone's blog with many interesting links
http://it.slashdot.org/comments.pl?sid=137918&threshold=1&mode=flat&commentsort=0&op=Change

Some XPoint forum threads (in Russian)
http://xpoint.ru/forums/thread/28815.xhtml
http://xpoint.ru/forums/programming/theory_algorythms/thread/27090.xhtml

Thees guys are very silly to!
http://www.lanapsoft.com/products.html
7 algorythmes!
(we will break 5 of 7 for one evening, I swear! Who will donate us for this? :)

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