Re: anti spam "turing" test

Bernhard Kuemel wrote:

> Hi comp.ai.doc-analysis.ocr!
>
> On http://bksys.at/bernhard/img/turing.php?who=agent%20smith one has to 
> type some blurred text to keep spammers from automatically collecting 
> email addresses. How hard do you think is it to OCR this text?
>
> Bernhard

Should be quite hard to OCR.

See for instance H. S. Baird, A. L. Coates and R. J. Fateman. 
PessimalPrint: a reverse Turing test. Int. Journal on Document Analysis 
and Recognition, vol. 3, n. 2-3, pp. 158-163, April 2003.

Karl