OCR Research Team Blog

22 March 2005

More links

We found more link needed to be investifated more closely

What CAPTCHA is - one more exlanation
http://www.absoluteastronomy.com/encyclopedia/C/Ca/Captcha.htm

One more CAPTCHA - silly one
http://www.humanverify.com/genDemo.asp

reCATPCHA project - nice try, but I bet we'll crack it!!!
http://www.crt.realtors.org/projects/reCaptcha/

captchas.net - free service with weak algorythm
http://captchas.net/

Java library for CAPTCHA - need to see what's this
http://jcaptcha.sourceforge.net/

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