A survey on adversarial perturbations and attacks on CAPTCHAs

SA Alsuhibany - Applied Sciences, 2023 - mdpi.com
The Completely Automated Public Turing test to tell Computers and Humans Apart
(CAPTCHA) technique has been a topic of interest for several years. The ability of computers …

[HTML][HTML] Deep Learning Based CAPTCHA Recognition Network with Grou** Strategy

Z Derea, B Zou, AA Al-Shargabi, A Thobhani… - Sensors, 2023 - mdpi.com
Websites can improve their security and protect against harmful Internet attacks by
incorporating CAPTCHA verification, which assists in distinguishing between human users …

A novel CAPTCHA solver framework using deep skip** Convolutional Neural Networks

S Lu, K Huang, T Meraj, HT Rauf - PeerJ Computer Science, 2022 - peerj.com
Abstract A Completely Automated Public Turing Test to tell Computers and Humans Apart
(CAPTCHA) is used in web systems to secure authentication purposes; it may break using …

Challenges and opportunities for Arabic CAPTCHAs

MT Parvez, SA Alsuhibany - Multimedia Tools and Applications, 2024 - Springer
Abstract Arabic Completely Automated Public Turing test to tell Computers and Humans
Apart (CAPTCHA) has only recently gained attention, with a few studies on handwritten text …

ReLU-oscillator: Chaotic VGG10 model for real-time neural style transfer on painting authentication

N Shi, Z Chen, L Chen, RST Lee - Expert Systems with Applications, 2024 - Elsevier
Abstract Neural Style Transfer (NST) has exerted algorithms to generate animation images
in computer vision for decades. The Convolution Neural Network (CNN) applied to image …

ImageVeriBypasser: An image verification code recognition approach based on Convolutional Neural Network

T Ji, Y Luo, Y Lin, Y Yang, Q Zheng, S Lian… - Expert Systems, 2024 - Wiley Online Library
The recent period has witnessed automated crawlers designed to automatically crack
passwords, which greatly risks various aspects of our lives. To prevent passwords from …

De-CAPTCHA: A novel DFS based approach to solve CAPTCHA schemes

A Atri, A Bansal, M Khari, S Vimal - Computers & Electrical Engineering, 2022 - Elsevier
CAPTCHA stands for Completely Automated Public Turing Test to Tell Computers and
Humans Apart. CAPTCHAs are used as security mechanism in web applications to …

Text CAPTCHA traversal with convnets: Impact of color channels

DO Ishkov, VI Terekhov - 2022 4th International Youth …, 2022 - ieeexplore.ieee.org
Most of the existing studies have investigated fixed-length CAPTCHA recognition. In this
paper the authors propose applying convolutional neural networks trained with a special …

An efficient and accurate depth-wise separable convolutional neural network for cybersecurity vulnerability assessment based on CAPTCHA breaking

S Dankwa, L Yang - Electronics, 2021 - mdpi.com
Cybersecurity practitioners generate a Completely Automated Public Turing test to tell
Computers and Humans Apart (CAPTCHAs) as a form of security mechanism in website …

[HTML][HTML] Securing iot devices: A robust and efficient deep learning with a mixed batch adversarial generation process for captcha security verification

S Dankwa, L Yang - Electronics, 2021 - mdpi.com
The Internet of Things environment (eg, smart phones, smart televisions, and smart watches)
ensures that the end user experience is easy, by connecting lives on web services via the …