Leveraging the CAPTCHA problem
D Lopresti - International Workshop on Human Interactive Proofs, 2005 - Springer
Efforts to defend against automated attacks on e-commerce services have led to a new
security protocol known as a CAPTCHA, a challenge designed to exploit gaps in the …
security protocol known as a CAPTCHA, a challenge designed to exploit gaps in the …
Segmentation-validation based handwritten Arabic CAPTCHA generation
MT Parvez, SA Alsuhibany - Computers & Security, 2020 - Elsevier
Abstract A Completely Automated Public Turing test to tell Computers and Human Apart
(CAPTCHA) is an effective way to identify human users and prevent cyber-attacks. In this …
(CAPTCHA) is an effective way to identify human users and prevent cyber-attacks. In this …
[图书][B] Evaluating the Usability and Security of a Video CAPTCHA
KA Kluever - 2008 - search.proquest.com
A CAPTCHA is a variation of the Turing test, in which a challenge is used to distinguish
humans from computers (" bots") on the internet. They are commonly used to prevent the …
humans from computers (" bots") on the internet. They are commonly used to prevent the …
Deformity removal from handwritten text documents using variable cycle GAN
Text recognition systems typically work well for printed documents but struggle with
handwritten documents due to different writing styles, background complexities, added noise …
handwritten documents due to different writing styles, background complexities, added noise …
Attack-filtered interactive arabic CAPTCHAs
SA Alsuhibany, MT Parvez - Journal of Information Security and …, 2022 - Elsevier
Abstract A CAPTCHA (Completely Automated Public Turing Test to Tell Computers and
Humans Apart) is widely used challenge–response test intended to distinguish between a …
Humans Apart) is widely used challenge–response test intended to distinguish between a …
CAPTCHA generation as a web service
T Converse - International Workshop on Human Interactive Proofs, 2005 - Springer
We present an implementation of CAPTCHA image generation as a REST-style web service,
currently available at http://captchaservice. org. We argue that CAPTCHA generation is well …
currently available at http://captchaservice. org. We argue that CAPTCHA generation is well …
Secure Arabic handwritten CAPTCHA generation using OCR operations
SA Alsuhibany, MT Parvez - 2016 15th International …, 2016 - ieeexplore.ieee.org
Handwritten CAPTCHAs can be generated from pre-written or synthesized words, with
added distortions and noise to survive OCR attacks. This paper takes a different approach …
added distortions and noise to survive OCR attacks. This paper takes a different approach …
Graph-based vectorization method for line patterns
S Suzuki - Proceedings CVPR'88: The Computer Society …, 1988 - computer.org
Handwritten CAPTCHAs can be generated from pre-written or synthesized words, with
added distortions and noise to survive OCR attacks. This paper takes a different approach …
added distortions and noise to survive OCR attacks. This paper takes a different approach …
Synthetic Arabic handwritten CAPTCHA
SA Alsuhibany, FN Almohaimeed… - … Journal of Information …, 2021 - inderscienceonline.com
Differentiating between humans and bots has become a critical issue of websites' security.
Therefore, a completely automated public Turing test to tell computers and humans apart …
Therefore, a completely automated public Turing test to tell computers and humans apart …
Educational and Cybersecurity Applications of an Arabic CAPTCHA Gamification System.
MT Parvez, AM Alsuhibani… - Ingénierie des Systèmes …, 2023 - search.ebscohost.com
A ubiquitous challenge-response mechanism, the Completely Automated Public Turing test
to tell Computers and Humans Apart (CAPTCHA), primarily serves to distinguish between …
to tell Computers and Humans Apart (CAPTCHA), primarily serves to distinguish between …