Thesis Details

Rozpoznávání kódů captcha

Bachelor's Thesis Student: Pazderka Radek Academic Year: 2015/2016 Supervisor: Žák Marek, Ing.
English title
Captcha Recognition
Language
Czech
Abstract

This bachelor thesis is focused on design and implementation of application, which would recognize CAPTCHA codes. It also describes various types of CAPTCHA codes, their security properties and existing solutions which are used today for recognizing CAPTCHA codes. Main goal of this thesis is testing security of certain type of text CAPTCHA code, which is used by web sites for protection against illegal applications.

Keywords

CAPTCHA code, security, machine learning, segmentation, classification

Department
Department of Intelligent Systems FIT BUT
Degree Programme
Information Technology
Files
Status
not defended
Date
15 June 2016
Reviewer
Zbořil František V., doc. Ing., CSc.
Committee
Kolář Dušan, doc. Dr. Ing. (DIFS FIT BUT), předseda
Burget Radek, doc. Ing., Ph.D. (DIFS FIT BUT), člen
Szőke Igor, Ing., Ph.D. (DCGM FIT BUT), člen
Vašíček Zdeněk, doc. Ing., Ph.D. (DCSY FIT BUT), člen
Zbořil František, doc. Ing., Ph.D. (DITS FIT BUT), člen
Citation
PAZDERKA, Radek. Rozpoznávání kódů captcha. Brno, 2016. Bachelor's Thesis. Brno University of Technology, Faculty of Information Technology. 2016-06-15. Supervised by Žák Marek. Available from: https://www.fit.vut.cz/study/thesis/18402/
BibTeX 
@bachelorsthesis{FITBT18402,
    author = "Radek Pazderka",
    type = "Bachelor's thesis",
    title = "Rozpozn\'{a}v\'{a}n\'{i} k\'{o}d\r{u} captcha",
    school = "Brno University of Technology, Faculty of Information Technology",
    year = 2016,
    location = "Brno, CZ",
    language = "czech",
    url = "https://www.fit.vut.cz/study/thesis/18402/"
}

Theses

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