A Spelling Based CAPTCHA System by Using Click

Abstract

CAPTCHA has been widely used for preventing malicious programs to access web resources automatically. In this paper, a new type CAPTCHA system will be proposed. The proposed scheme, named Click spell, combined the features of text-based and image-based CAPTCHAs. Click spell asks users to spell a randomly chosen word by clicking distorted letters for passing… (More)
DOI: 10.1109/ISBAST.2012.17

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Cite this paper

@article{Hwang2012ASB, title={A Spelling Based CAPTCHA System by Using Click}, author={Kuo-Feng Hwang and Cian-Cih Huang and Geeng-Neng You}, journal={2012 International Symposium on Biometrics and Security Technologies}, year={2012}, pages={1-8} }