A survey of CAPTCHA technologies to distinguish between human and computer
Abstract CAPTCHA, Completely Automated Public Turing test to tell Computers and Humans
Apart, is widely used as a security mechanism to classify human and computer. This security …
Apart, is widely used as a security mechanism to classify human and computer. This security …
[HTML][HTML] Robustness and user test on text-based CAPTCHA: Letter segmenting is not too easy or too hard
M Chatrangsan, C Tangmanee - Array, 2024 - Elsevier
Text-based CAPTCHA is widely used as an online security guard, requiring a user to input
letters for classifying human and automated software (known as a bot). However, they are …
letters for classifying human and automated software (known as a bot). However, they are …
Attaining accessibility and personalization with Socio-Captcha (SCAP)
Many websites have made use of motions, videos, flash, gif animations and static images to
implement Captcha in order to ensure that the entity trying to connect to their website (s) or …
implement Captcha in order to ensure that the entity trying to connect to their website (s) or …
[PDF][PDF] A more robust text based CAPTCHA for security in web applications
MMA Al-Mukhtar, RRK AL-Taie - Int. J. Emerg. Trends Technol …, 2014 - researchgate.net
Nowadays, in web application mapping, developers use Captcha tools for preventing
several security attacks. To improve the capability of a character image to hinder many of …
several security attacks. To improve the capability of a character image to hinder many of …
VIKAS: a new virtual keyboard-based simple and efficient text CAPTCHA verification scheme
A Thakkar, K Patel - International Journal of Information and …, 2020 - inderscienceonline.com
Nowadays online transactions are becoming ubiquitous that must be protected from bots
using different techniques, and CAPTCHA is one of them. Text-CAPTCHA preferred due to …
using different techniques, and CAPTCHA is one of them. Text-CAPTCHA preferred due to …
User test on text-based CAPTCHA: a letter case examination
C Tangmanee - Journal of Applied Security Research, 2018 - Taylor & Francis
ABSTRACT Completely Automated Public Turing Test to tell Computers and Humans Apart
(CAPTCHA) is a security application requiring a user to input a string of text to verify that the …
(CAPTCHA) is a security application requiring a user to input a string of text to verify that the …
Research on Verification Code Recognition Based on Improved CRNN Network Model
Z Xia, W Zhang, W Dou, Z Weng - The International Conference on Natural …, 2020 - Springer
In order to solve the issue of verification code recognition methods ineffective and the
addition or absence of characters, this paper proposes a Pro-CRNN based verification code …
addition or absence of characters, this paper proposes a Pro-CRNN based verification code …
Attitudes towards Text-based CAPTCHA from developing countries
N Nanglae, P Bhattarakosol - 2015 12th International …, 2015 - ieeexplore.ieee.org
CAPTCHA, especially Text-based CAPTCHA, is the most widely used for security over the
online environment in the present. That was used for identification automatic program …
online environment in the present. That was used for identification automatic program …
Lowercase letters in text-based CAPTCHA: a visual perception analysis
C Tangmanee - … on Knowledge and Smart Technology (KST), 2018 - ieeexplore.ieee.org
CAPTCHA needs a string of letters to verify if a user is human. Each letter has distinctive
visual features, making it perceivably different. No empirical work has yet examined which …
visual features, making it perceivably different. No empirical work has yet examined which …
[图书][B] Segurança computacional de redes de anúncios de marketing digital: a fraude de clique
R Costa - 2020 - books.google.com
Autor: Rodrigo Costa Motivados pelo clima competitivo de negócios em Marketing Digital
online, com milhões de dólares sendo empregados em campanhas do tipo PPC …
online, com milhões de dólares sendo empregados em campanhas do tipo PPC …