Search results for "captchas"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
2	Elie Bursztein, Steven Bethard, Celine Fabry, John C. Mitchell, Daniel Jurafsky	How Good Are Humans at Solving CAPTCHAs? A Large Scale Evaluation.	IEEE Symposium on Security and Privacy	2010	DBLP DOI BibTeX RDF	image, audio, humans, captchas, mechanical turk
2	Anja B. Naumann, Thomas Franke, Christian Bauckhage	Investigating CAPTCHAs Based on Visual Phenomena.	INTERACT	2009	DBLP DOI BibTeX RDF	visual phenomena, optical illusions, CAPTCHA
2	Jeffrey P. Bigham, Anna Cavender	Evaluating existing audio CAPTCHAs and an interface optimized for non-visual use.	CHI	2009	DBLP DOI BibTeX RDF	audio captcha, non-visual interfaces, blind users
2	Aleksey Kolupaev, Juriy Ogijenko	CAPTCHAs: Humans vs. Bots.	IEEE Security & Privacy	2008	DBLP DOI BibTeX RDF
2	Jeff Yan, Ahmad Salah El Ahmad	Usability of CAPTCHAs or usability issues in CAPTCHA design.	SOUPS	2008	DBLP DOI BibTeX RDF	security, usability, CAPTCHA
2	Abram Hindle, Michael W. Godfrey, Richard C. Holt	Reverse Engineering CAPTCHAs.	WCRE	2008	DBLP DOI BibTeX RDF
2	Chinmay Eishan Kulkarni	Assocaptcha: designing human-friendly secure captchas using word associations.	CHI Extended Abstracts	2008	DBLP DOI BibTeX RDF	visual interfaces, captcha, human-interaction-proof, word-association
2	Richard Chow, Philippe Golle, Markus Jakobsson, Lusha Wang, XiaoFeng Wang	Making CAPTCHAs clickable.	HotMobile	2008	DBLP DOI BibTeX RDF	reverse Turing test, usability, mobile devices, CAPTCHA
2	Jeff Yan, Ahmad Salah El Ahmad	Breaking Visual CAPTCHAs with Naive Pattern Recognition Algorithms.	ACSAC	2007	DBLP DOI BibTeX RDF
2	Jonathan Holman, Jonathan Lazar, Jinjuan Feng, John D'Arcy	Developing usable CAPTCHAs for blind users.	ASSETS	2007	DBLP DOI BibTeX RDF	security, usability, accessibility, visual impairment, blind user, CAPTCHA, universal usability, turing test
2	Deapesh Misra, Kris Gaj	Face Recognition CAPTCHAs.	AICT/ICIW	2006	DBLP DOI BibTeX RDF
2	Elias Athanasopoulos, Spyros Antonatos	Enhanced CAPTCHAs: Using Animation to Tell Humans and Computers Apart.	Communications and Multimedia Security	2006	DBLP DOI BibTeX RDF	Laundry attacks, Web Security, CAPTCHA
2	Alf Zugenmaier	Countering Automated Exploits with System Security CAPTCHAS.	Security Protocols Workshop	2005	DBLP DOI BibTeX RDF
2	Monica Chew, J. D. Tygar	Collaborative Filtering CAPTCHAs.	HIP	2005	DBLP DOI BibTeX RDF
2	Henry S. Baird, Michael A. Moll, Sui-Yu Wang	ScatterType: A Legible but Hard-to-Segment CAPTCHA.	ICDAR	2005	DBLP DOI BibTeX RDF	abuse of web sites and services, human/machine discrimination, legibility of text, Gestalt perception, automatic attacks on CAPTCHAs, segmentation, fragmentation, document image analysis, CAPTCHAs, Turing tests, human interactive proofs
2	Monica Chew, J. D. Tygar	Image Recognition CAPTCHAs.	ISC	2004	DBLP DOI BibTeX RDF
2	Gabriel Moy, Nathan Jones, Curt Harkless, Randall Potter	Distortion Estimation Techniques in Solving Visual CAPTCHAs.	CVPR	2004	DBLP DOI BibTeX RDF
2	Henry S. Baird, Kris Popat	Human Interactive Proofs and Document Image Analysis.	Document Analysis Systems	2002	DBLP DOI BibTeX RDF	abuse of web sites and services, the chatroom problem, human/machine discrimination, OCR performance evaluation, legibility of text, document image analysis, CAPTCHAs, Turing tests, Human interactive proofs, document image degradations
1	T. V. Laptyeva, S. Flach, K. Kladko	The weak password problem: chaos, criticality, and encrypted p-CAPTCHAs.	IACR Cryptology ePrint Archive	2011	DBLP BibTeX RDF
1	T. V. Laptyeva, S. Flach, K. Kladko	The weak password problem: chaos, criticality, and encrypted p-CAPTCHAs	CoRR	2011	DBLP BibTeX RDF
1	M. Tariq Banday, Nisar A. Shah	A Study of CAPTCHAs for Securing Web Services	CoRR	2011	DBLP BibTeX RDF
1	Jingsong Cui, Lu Liu, Gang Du, Ying Wang, Qianqi Guan	Skeletonization of Deformed CAPTCHAs Using Pixel Depth Approach.	Journal of Multimedia	2011	DBLP DOI BibTeX RDF
1	José María Gómez Hidalgo, Gonzalo Alvarez	CAPTCHAs: An Artificial Intelligence Application to Web Security.	Advances in Computers	2011	DBLP DOI BibTeX RDF
1	Elie Bursztein, Romain Beauxis, Hristo Paskov, Daniele Perito, Celine Fabry, John C. Mitchell	The Failure of Noise-Based Non-continuous Audio Captchas.	IEEE Symposium on Security and Privacy	2011	DBLP DOI BibTeX RDF
1	Carlos Javier Hernández-Castro, Arturo Ribagorda, Julio César Hernández Castro	On the Strength of Egglue and Other Logic CAPTCHAs.	SECRYPT	2011	DBLP BibTeX RDF
1	Maryam Saeed, Hadi Shahriar Shahhoseini	Security analysis and improvement of Smart Card-Based Authenticated Key Exchange protocol with CAPTCHAs for wireless mobile network.	ISCC	2011	DBLP DOI BibTeX RDF
1	Amalia Rusu, A. Thomas, V. Govindaraju	Generation and use of handwritten CAPTCHAs.	IJDAR	2010	DBLP DOI BibTeX RDF
1	Shih-Yu Huang, Yeuan-Kuen Lee, Graeme Bell, Zhan-He Ou	An efficient segmentation algorithm for CAPTCHAs with line cluttering and character warping.	Multimedia Tools Appl.	2010	DBLP DOI BibTeX RDF
1	Christoph Fritsch, Michael Netter, Andreas Reisser, Günther Pernul	Attacking Image Recognition Captchas - A Naive but Effective Approach.	TrustBus	2010	DBLP DOI BibTeX RDF
1	Yang-Wai Chow, Willy Susilo, Hua-Yu Zhou	CAPTCHA Challenges for Massively Multiplayer Online Games: Mini-game CAPTCHAs.	CW	2010	DBLP DOI BibTeX RDF	security, online games, MMOG, CAPTCHA, cheating, bots
1	Takuya Nishimoto, Takayuki Watanabe	The Evaluations of Deletion-Based Method and Mixing-Based Method for Audio CAPTCHAs.	ICCHP	2010	DBLP DOI BibTeX RDF
1	Shujun Li, S. Amier Haider Shah, M. Asad Usman Khan, Syed Ali Khayam, Ahmad-Reza Sadeghi, Roland Schmitz	Breaking e-banking CAPTCHAs.	ACSAC	2010	DBLP DOI BibTeX RDF
1	Marti Motoyama, Kirill Levchenko, Chris Kanich, Damon McCoy, Geoffrey M. Voelker, Stefan Savage	Re: CAPTCHAs-Understanding CAPTCHA-Solving Services in an Economic Context.	USENIX Security Symposium	2010	DBLP BibTeX RDF
1	Paul Baecher, Marc Fischlin, Lior Gordon, Robert Langenberg, Michael Lützow, Dominique Schröder	CAPTCHAs: The Good, the Bad, and the Ugly.	Sicherheit	2010	DBLP BibTeX RDF
1	Achint Oommen Thomas, Sulabh Choudhury, Venu Govindaraju	Leveraging the Mixed-Text Segmentation Problem to Design Secure Handwritten CAPTCHAs.	ICFHR	2010	DBLP DOI BibTeX RDF
1	Qiang Zhu 0002, Eamonn J. Keogh	Using CAPTCHAs to Index Cultural Artifacts.	IDA	2010	DBLP DOI BibTeX RDF
1	Donn Morrison, Stéphane Marchand-Maillet, Eric Bruno	TagCaptcha: annotating images with CAPTCHAs.	ACM Multimedia	2010	DBLP DOI BibTeX RDF
1	Wesam Al-Sudani, Amit Gill, Chen Li, Jidong Wang, Fei Liu	Protection through multimedia CAPTCHAs.	MoMM	2010	DBLP DOI BibTeX RDF
1	Bin B. Zhu, Jeff Yan, Qiujie Li, Chao Yang, Jia Liu, Ning Xu, Meng Yi, Kaiwei Cai	Attacks and design of image recognition CAPTCHAs.	ACM Conference on Computer and Communications Security	2010	DBLP DOI BibTeX RDF
1	Manuel Egele, Leyla Bilge, Engin Kirda, Christopher Kruegel	CAPTCHA smuggling: hijacking web browsing sessions to create CAPTCHA farms.	SAC	2010	DBLP DOI BibTeX RDF	attack, CAPTCHA, security threats, real-world experiments
1	Steven A. Ross, J. Alex Halderman, Adam Finkelstein	Sketcha: a captcha based on line drawings of 3D models.	WWW	2010	DBLP DOI BibTeX RDF	security, 3D models, drawings, captcha
1	Ritendra Datta, Jia Li, James Ze Wang	Exploiting the human-machine gap in image recognition for designing CAPTCHAs.	IEEE Transactions on Information Forensics and Security	2009	DBLP DOI BibTeX RDF
1	Carlos Javier Hernández-Castro, Arturo Ribagorda, Yago Sáez	Side-channel attack on labeling CAPTCHAs	CoRR	2009	DBLP BibTeX RDF
1	Achint Oommen Thomas, Amalia I. Rusu, Venu Govindaraju	Synthetic handwritten CAPTCHAs.	Pattern Recognition	2009	DBLP DOI BibTeX RDF
1	Jeff Yan, Su-Yang Yu	Streamlining Attacks on CAPTCHAs with a Computer Game.	IJCAI	2009	DBLP BibTeX RDF
1	Donn Morrison, Stéphane Marchand-Maillet, Eric Bruno	TagCaptcha: annotating images with CAPTCHAs.	KDD Workshop on Human Computation	2009	DBLP DOI BibTeX RDF
1	Luis von Ahn	Human computation.	DAC	2009	DBLP DOI BibTeX RDF	world wide web, online games, human computation, CAPTCHAs, games with a purpose, distributed knowledge acquisition, image labeling
1	Steven Gianvecchio, Zhenyu Wu, Mengjun Xie, Haining Wang	Battle of Botcraft: fighting bots in online games with human observational proofs.	ACM Conference on Computer and Communications Security	2009	DBLP DOI BibTeX RDF	game bots, human observational proofs
1	Peter Faymonville, Kai Wang, John Miller, Serge J. Belongie	CAPTCHA-based image labeling on the Soylent Grid.	KDD Workshop on Human Computation	2009	DBLP DOI BibTeX RDF
1	Jeff Yan, Su-Yang Yu	Magic Bullet: a dual-purpose computer game.	KDD Workshop on Human Computation	2009	DBLP DOI BibTeX RDF
1	Kurt Alfred Kluever, Richard Zanibbi	Balancing usability and security in a video CAPTCHA.	SOUPS	2009	DBLP DOI BibTeX RDF	Completely Automated Public Turing test to tell Computers and Humans Apart (CAPTCHA), tagging, human interactive proof (HIP), video understanding
1	Gabriele Meiselwitz, Jonathan Lazar	Accessibility of Registration Mechanisms in Social Networking Sites.	HCI	2009	DBLP DOI BibTeX RDF	social networking, accessibility, higher education
1	Jennifer Tam, Jirí Simsa, Sean Hyde, Luis von Ahn	Breaking Audio CAPTCHAs.	NIPS	2008	DBLP BibTeX RDF
1	James A. Hendler, Philipp Cimiano, Dmitri A. Dolgov, Anat Levin, Peter Mika, Brian Milch, Louis-Philippe Morency, Boris Motik, Jennifer Neville, Erik B. Sudderth, Luis von Ahn	AI's 10 to Watch.	IEEE Intelligent Systems	2008	DBLP DOI BibTeX RDF	Darpa Urban Challenge, ontologies, machine learning, information retrieval, Semantic Web, computer vision, social networks, artificial intelligence, robots, natural language processing, NLP, intelligent systems, intelligent transportation systems, computational linguistics, human computation, computational photography, Captchas, statistical relational learning, statistical relational learning, multimodal perception
1	Jeff Yan, Ahmad Salah El Ahmad	A low-cost attack on a Microsoft captcha.	ACM Conference on Computer and Communications Security	2008	DBLP DOI BibTeX RDF	segmentation attack, usability, robustness, internet security, captcha
1	Alfonso Muñoz Muñoz, Justo Carracedo Gallardo, Sergio Sánchez García	Detection of distributed steganographic information in social networks.	EATIS	2008	DBLP DOI BibTeX RDF	stegsecret, social networks, steganography, steganalysis, captcha
1	Peter Djalaliev, Muhammad Jamshed, Nicholas L. Farnan, José Carlos Brustoloni	Sentinel: Hardware-Accelerated Mitigation of Bot-Based DDoS Attacks.	ICCCN	2008	DBLP DOI BibTeX RDF
1	Chanathip Namprempre, Matthew N. Dailey	Mitigating Dictionary Attacks with Text-Graphics Character Captchas.	IEICE Transactions	2007	DBLP DOI BibTeX RDF
1	Wen-Hung Liao	A Captcha Mechanism By Exchange Image Blocks.	ICPR	2006	DBLP DOI BibTeX RDF
1	Sui-Yu Wang, Jon Louis Bentley	CAPTCHA Challenge Tradeoffs: Familiarity of Strings versus Degradation of Images.	ICPR	2006	DBLP DOI BibTeX RDF
1	Clark Pope, Khushpreet Kaur	Is It Human or Computer? Defending E-Commerce with Captchas.	IT Professional	2005	DBLP DOI BibTeX RDF
1	Henry S. Baird, Jon Louis Bentley	Implicit CAPTCHAs.	DRR	2005	DBLP BibTeX RDF
1	Dinan Gunawardena, Jacob Scott, Alf Zugenmaier, Austin Donnelly	Countering Automated Exploits with System Security CAPTCHAS.	Security Protocols Workshop	2005	DBLP DOI BibTeX RDF
1	Kumar Chellapilla, Kevin Larson, Patrice Y. Simard, Mary Czerwinski	Designing human friendly human interaction proofs (HIPs).	CHI	2005	DBLP DOI BibTeX RDF	completely automated public turing tests to tell computers and humans apart (CAPTCHAs), visual letter recognition, evaluation, computer vision, human perception, human interaction proofs (HIPs)
1	Philippe Golle, Nicolas Ducheneaut	Preventing bots from playing online games.	Computers in Entertainment	2005	DBLP DOI BibTeX RDF	reverse Turing test, agents, games, CAPTCHAs, bots
1	Ritendra Datta, Jia Li, James Ze Wang	IMAGINATION: a robust image-based CAPTCHA generation system.	ACM Multimedia	2005	DBLP DOI BibTeX RDF	automated turing test, image retrieval, CAPTCHA
1	Tim Converse	CAPTCHA Generation as a Web Service.	HIP	2005	DBLP DOI BibTeX RDF
1	Daniel P. Lopresti	Leveraging the CAPTCHA Problem.	HIP	2005	DBLP DOI BibTeX RDF
1		Engineering Meets Emotion: New Robots Sense Human Distress; The Paradox of Captchas.	IEEE Intelligent Systems	2003	DBLP DOI BibTeX RDF
1	Greg Mori, Jitendra Malik	Recognizing Objects in Adversarial Clutter: Breaking a Visual CAPTCHA.	CVPR	2003	DBLP DOI BibTeX RDF
1	Luis von Ahn, Manuel Blum, Nicholas J. Hopper, John Langford	CAPTCHA: Using Hard AI Problems for Security.	EUROCRYPT	2003	DBLP DOI BibTeX RDF