Usability Evaluation of Randomly Generated Fonts for Bubble Captcha

dc.contributor.authorBostik, Ondrej
dc.contributor.authorHorak, Karel
dc.contributor.authorKlecka, Jan
dc.coverage.issue1cs
dc.coverage.volume24cs
dc.date.accessioned2019-06-26T10:18:37Z
dc.date.available2019-06-26T10:18:37Z
dc.date.issued2018-06-01cs
dc.description.abstractA Completely Automated Public Turing test to tell Computers and Humans Apart (CAPTCHA), is the wide-spread concept of systems suited to secure the web services from automated SPAM scripts. The most common CAPTCHA systems benefit from imperfections of Optical Character Recognition algorithms. This paper presents our ongoing work focused on the development of a new CAPTCHA scheme based on a human perception. The goal of this work is to evaluate the usability of randomly generated fonts used in Bubble Captcha scheme with both humans and OCR classifiers.en
dc.formattextcs
dc.format.extent143-150cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationMendel. 2018 vol. 24, č. 1, s. 143-150. ISSN 1803-3814cs
dc.identifier.doi10.13164/mendel.2018.1.143en
dc.identifier.issn2571-3701
dc.identifier.issn1803-3814
dc.identifier.urihttp://hdl.handle.net/11012/179236
dc.language.isoencs
dc.publisherInstitute of Automation and Computer Science, Brno University of Technologycs
dc.relation.ispartofMendelcs
dc.relation.urihttps://mendel-journal.org/index.php/mendel/article/view/35cs
dc.rights.accessopenAccessen
dc.subjectOCRen
dc.subjectCAPTCHAen
dc.subjectNeural Networksen
dc.subjectk-NNen
dc.subjectDecision treesen
dc.subjectSVMen
dc.subjectBubble Captchaen
dc.titleUsability Evaluation of Randomly Generated Fonts for Bubble Captchaen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta strojního inženýrstvícs
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