Exploring the influence of CAPTCHA types to the users response time by statistical analysis
CAPTCHA stands for Completely Automated Public Turing Test to Tell Computers and
Humans Apart. It is a test program that solves a given task for preventing the attacks made …
Humans Apart. It is a test program that solves a given task for preventing the attacks made …
GeoCAPTCHA — A novel personalized CAPTCHA using geographic concept to defend against 3rd Party Human Attack
TE Wei, AB Jeng, HM Lee - 2012 IEEE 31st International …, 2012 - ieeexplore.ieee.org
A CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans
Apart) is a scheme that can be used to distinguish human and robot such as malicious …
Apart) is a scheme that can be used to distinguish human and robot such as malicious …
Designing Mobile Friendly CAPTCHAs: An Exploratory Study.
N Jiang, H Dogan, F Tian - 2017 - eprints.bournemouth.ac.uk
CAPTCHAs (Completely Automated Public Turing Test to Tell Computers and Humans
Apart) are one of the most widely used authentication mechanisms that help to prevent …
Apart) are one of the most widely used authentication mechanisms that help to prevent …
FaceCAPTCHA: a CAPTCHA that identifies the gender of face images unrecognized by existing gender classifiers
Computers tend to fail to classify human faces by gender, especially upon changes in
viewpoint or upon occlusion that make it more difficult to extract the necessary image …
viewpoint or upon occlusion that make it more difficult to extract the necessary image …
Enhancing website security against bots, spam and web attacks using lCAPTCHA
S Vaithyasubramanian, D Lalitha… - … Journal of Computers …, 2023 - Taylor & Francis
In digital technological advancement, websites are developed and set live to render service
and information for users. To protect web resources from computerized programs, which …
and information for users. To protect web resources from computerized programs, which …
A novel CAPTCHA scheme based on facial expression reconstruction
M Moradi, MR Keyvanpour - International Journal of …, 2020 - inderscienceonline.com
Despite some technical and conceptual criticism on the CAPTCHA and its claimed
effectiveness, such human interaction proofs (HIPs) are still in the centre of attention. With …
effectiveness, such human interaction proofs (HIPs) are still in the centre of attention. With …
AgeCAPTCHA: an image-based CAPTCHA that annotates images of human faces with their age groups
Annotating images with tags that describe the content of the images facilitates image
retrieval. However, this task is challenging for both humans and computers. In response, a …
retrieval. However, this task is challenging for both humans and computers. In response, a …
CAPTCHA for crowdsourced image annotation: directions and efficiency analysis
M Moradi, MR Keyvanpour - Aslib Journal of Information Management, 2022 - emerald.com
Purpose Image annotation plays an important role in image retrieval process, especially
when it comes to content-based image retrieval. In order to compensate the intrinsic …
when it comes to content-based image retrieval. In order to compensate the intrinsic …
Review on development of some strong visual CAPTCHAs and breaking of weak audio CAPTCHAs
S Vaithyasubramanian - 2016 international conference on …, 2016 - ieeexplore.ieee.org
The objective of this review paper is to discuss about the strengths and weaknesses in the
visual and audio CAPTCHAs. The basic techniques in breaking visual CAPTCHAs are …
visual and audio CAPTCHAs. The basic techniques in breaking visual CAPTCHAs are …
Association rule mining for the usability of the CAPTCHA interfaces: a new study of multimedia systems
This paper presents an analysis of the CAPTCHA interfaces in terms of their usability to
Internet users. The usability is represented by the time needed to the users for finding a …
Internet users. The usability is represented by the time needed to the users for finding a …