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How does robot framework handle Captcha? 

Computer science
Robustness (computer science)
World Wide Web
CAPTCHA
Usability

Answers from top 15 papers

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Papers (15)Insight
Open access•Book Chapter•DOI
On Users’ Preference on Localized vs. Latin-Based CAPTCHA Challenges
Christos Fidas, Christos Fidas, Artemios G. Voyiatzis 
02 Sep 2013
Analysis of interaction results provides interesting insights which can be taken into consideration for designing more usable CAPTCHA mechanisms.
Open access•Journal Article•DOI
Evaluating the Usability of Optimizing Text-based CAPTCHA Generation
Suliman A. Alsuhibany
01 Jan 2016-International Journal of Advanced Computer Science and Applications
The results of this evaluation showed that a statistically significant enhancement is found in the usability of text-based CAPTCHA generation.
Open access•Book Chapter•DOI
AniCAP: an animated 3d CAPTCHA scheme based on motion parallax
Yang-Wai Chow, Willy Susilo 
10 Dec 2011
21 Citations
Hence, the development of a good CAPTCHA scheme that is both secure and human usable is an important research problem.
Proceedings Article•DOI
Developing usable CAPTCHAs for blind users
Jonathan Holman, Jonathan Lazar, Jinjuan Heidi Feng, John D'Arcy 
15 Oct 2007
75 Citations
A preliminary evaluation suggests strong potential for the new form of CAPTCHA for both blind and visual users.
Book Chapter•DOI
Breaking an animated CAPTCHA scheme
Vu Duc Nguyen, Yang-Wai Chow, Willy Susilo 
26 Jun 2012
24 Citations
Our approach essentially reduces the animated CAPTCHA into a traditional single image CAPTCHA challenge.
Open access•Journal Article•DOI
CAPTCHA – Security affecting User Experience
Ruti Gafni, Idan Nagar 
15 May 2016-Issues in Informing Science and Information Technology
CAPTCHA tests must be, on the one hand, very easy for the user in order to pass, and, on the other hand, very difficult for the bots to pass.
Open access•Journal Article•DOI
A Review of Bot Protection using CAPTCHA for Web Security
Scholar Lovely, Luis von Ahn, Manuel Blum, Nicholas J. Hooper, John Langford 
01 Jan 2013-IOSR Journal of Computer Engineering
20 Citations
So, it becomes necessary to differentiate between human users and Web bots (or computer programs) is known as CAPTCHA.
Proceedings Article•DOI
Constructing Secure Audio CAPTCHAs by Exploiting Differences between Humans and Machines
Hendrik Meutzner, Santosh Gupta, Dorothea Kolossa 
18 Apr 2015
25 Citations
The CAPTCHA exhibits a good trade-off between human usability and security.
Proceedings Article•DOI
Face recognition CAPTCHA
Gaurav Goswami, Richa Singh, Mayank Vatsa, Brian M. Powell, Afzel Noore 
06 Dec 2012
17 Citations
The proposed algorithm generates CAPTCHA that offer better human accuracy and lower attack rates compared to existing approaches.
Proceedings Article•DOI
A Captcha Mechanism By Exchange Image Blocks
Wen-Hung Liao
18 Sep 2006
17 Citations
Preliminary experimental results have validated the efficacy of the proposed CAPTCHA, although we expect that a large-scale experiment to collect and analyze user responses contribute to optimal parameter settings
Proceedings Article•DOI
Using automatic speech recognition for attacking acoustic CAPTCHAs: the trade-off between usability and security
Hendrik Meutzner, Viet-Hung Nguyen, Thorsten Holz, Dorothea Kolossa 
08 Dec 2014
20 Citations
A detailed analysis of the proposed CAPTCHA shows a far better trade-off between usability and security than the current quasi-standard approach of reCAPTCHA.
Proceedings Article•DOI
Text-Based CAPTCHA Using Phonemic Restoration Effect and Similar Sounds
Misako Goto, Toru Shirato, Ryuya Uda 
21 Jul 2014
Therefore, in this paper, we propose a new CAPTCHA with higher safety and convenience.
Proceedings Article•DOI
Optimising CAPTCHA Generation
Suliman A. Alsuhibany
22 Aug 2011
23 Citations
A key point of this optimiser is that the usability of the CAPTCHA scheme is improved without sacrificing its robustness level.
Proceedings Article•DOI
A New Scheme for Mobile Based CAPTCHA Service on Cloud
Ashutosh Saxena, Nitin Singh Chauhan, Sravan Kumar Reddy, Aparajith Srinivasan Vangal, David Palacios Rodrguez 
20 Nov 2012
The proposed CAPTCHA framework offers scalable and flexible implementation opportunities in many verticals and domains.
Proceedings Article•DOI
Sequenced Tagged Captcha: Generation and its Analysis
Anand Gupta, Ashish Jain, Aditya Raj, Abhimanyu Jain 
06 Mar 2009
23 Citations
Our CAPTCHA can be conveniently implemented on web-sites and provides the advantages of robustness and low space requirements.

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