Computers beat Humans at Single Character Recognition in Reading based Human Interaction Proofs (HIPs)

Kumar Chellapilla, Kevin Larson, Patrice Y. Simard, Mary Czerwinski. Computers beat Humans at Single Character Recognition in Reading based Human Interaction Proofs (HIPs). In CEAS 2005 - Second Conference on Email and Anti-Spam, July 21-22, 2005, Stanford University, California, USA. 2005. [doi]

Authors

Kumar Chellapilla

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Kevin Larson

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Patrice Y. Simard

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Mary Czerwinski

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