Bubble Captcha - A Start of the New Direction of Text Captcha Scheme Development

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Date
2017-06-01
ORCID
Advisor
Referee
Mark
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Publisher
Institute of Automation and Computer Science, Brno University of Technology
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Abstract
CAPTCHA, A Completely Automated Public Turing test to tell Computers and Humans Apart, iswell-known system widely used in all sorts of internet services around the world designated to secure the webfrom an automatic malicious activity. For almost two decades almost every system utilize a simple approach tothis problem containing a transcription of distorted letters from image to a text eld. The ground idea is to useimperfection of Optical Character Recognition algorithms against the computers. The development of OpticalCharacter recognition algorithms leads only to state, where the CAPTCHA schemes become more complex andhuman users have a great di culty with the transcription.This paper aims to present a new way of development of CAPTCHA schemes based more a human perception.The goal of this work is to implement new Captcha scheme and assess human capability to read unusual fontsnewer seen before.
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Citation
Mendel. 2017 vol. 23, č. 1, s. 57-64. ISSN 1803-3814
https://mendel-journal.org/index.php/mendel/article/view/53
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Peer-reviewed
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en
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Creative Commons Attribution 4.0 International license
http://creativecommons.org/licenses/by/4.0
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