Sequenced picture captcha: generation and its strength analysis

Abhimanyu Jain, Ashish Jain, Aditya Raj, Tushar Pahwa. Sequenced picture captcha: generation and its strength analysis. In Proceedings of the 4th International Conference for Internet Technology and Secured Transactions, ICITST 2009, London, UK, November 9-12, 2009. pages 1-8, IEEE, 2009. [doi]

Abstract

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