Search results for "captcha"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
134	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
133	Pablo Ximenes, André L. M. dos Santos, Marcial Porto Fernandez, Joaquim Celestino Jr.	A CAPTCHA in the Text Domain.	OTM Workshops (1)	2006	DBLP DOI BibTeX RDF	Text Domain, Compu-tational Humor, Security, Natural Language, CAPTCHA
124	Mohammad Shirali-Shahreza, Sajad Shirali-Shahreza	Advanced Collage CAPTCHA.	ITNG	2008	DBLP DOI BibTeX RDF	CAPTCHA (Completely Automated Public Turing test to tell Computers and Human Apart), Collage CAPTCHA, Non-OCR-Based CAPTCHA
118	Rich Gossweiler, Maryam Kamvar, Shumeet Baluja	What's up CAPTCHA?: a CAPTCHA based on image orientation.	WWW	2009	DBLP DOI BibTeX RDF	automated attacks, orientation detection, image processing, spam, CAPTCHA, visual processing
117	Mohammad Shirali-Shahreza, Sajad Shirali-Shahreza	A CAPTCHA system for Nintendo DS.	NETGAMES	2008	DBLP DOI BibTeX RDF	CAPTCHA (completely automated public turing test to tell computers and human apart), Nintendo DS, game consoles
101	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
101	Jeff Yan, Ahmad Salah El Ahmad	A low-cost attack on a Microsoft captcha.	CCS	2008	DBLP DOI BibTeX RDF	segmentation attack, usability, robustness, internet security, captcha
101	Peizhou He, Yong Sun, Wei Zheng 0001, Xiangming Wen	Filtering Short Message Spam of Group Sending Using CAPTCHA.	WKDD	2008	DBLP DOI BibTeX RDF	SMS spam (short message service spam), group sending, CAPTCHA (Completely Automated Public Turing test to tell Computers and Human Apart), (OCR) Optical Character Recognition, user authentication
85	Ahmad Salah El Ahmad, Jeff Yan, Lindsay F. Marshall	The robustness of a new CAPTCHA.	EUROSEC	2010	DBLP DOI BibTeX RDF	Gestalt perception, segmentation attack, robustness, CAPTCHA
85	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
85	Jeff Yan, Ahmad Salah El Ahmad	Usability of CAPTCHAs or usability issues in CAPTCHA design.	SOUPS	2008	DBLP DOI BibTeX RDF	security, usability, CAPTCHA
81	Amalia I. Rusu, Venu Govindaraju	Visual CAPTCHA with Handwritten Image Analysis.	HIP	2005	DBLP DOI BibTeX RDF
65	Yannis Soupionis, George Tountas, Dimitris Gritzalis	Audio CAPTCHA for SIP-Based VoIP.	SEC	2009	DBLP DOI BibTeX RDF
65	Chi-Wei Lin, Yu-Han Chen, Liang-Gee Chen	Bio-inspired unified model of visual segmentation system for CAPTCHA character recognition.	SiPS	2008	DBLP DOI BibTeX RDF
65	Rony Ferzli, Rida A. Bazzi, Lina J. Karam	A Captcha Based on the Human Visual Systems Masking Characteristics.	ICME	2006	DBLP DOI BibTeX RDF
53	Peter Matthews, Cliff Changchun Zou	Scene tagging: image-based CAPTCHA using image composition and object relationships.	AsiaCCS	2010	DBLP DOI BibTeX RDF	image/video recognition, multi-object composition, security, access control, CAPTCHA, HIP
53	Markus Jakobsson	Captcha-free throttling.	AISec	2009	DBLP DOI BibTeX RDF	cookie theft, dns poisoning, usability, access, malware, scripting, cloning, captcha, throttle
53	Philippe Golle	Machine learning attacks against the Asirra CAPTCHA.	CCS	2008	DBLP DOI BibTeX RDF	reverse turing test, machine learning, support vector machine, classifier, captcha
52	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
52	Qiang Tang 0001, Kim-Kwang Raymond Choo	Secure Password-Based Authenticated Group Key Agreement for Data-Sharing Peer-to-Peer Networks.	ACNS	2006	DBLP DOI BibTeX RDF	provable security, key agreement, P2P network, CAPTCHA
52	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
49	Hua Zhang, Xiangming Wen, Peizhou He, Wei Zheng 0001	Dealing with Telephone Fraud Using CAPTCHA.	ACIS-ICIS	2009	DBLP DOI BibTeX RDF
49	Sajad Shirali-Shahreza, Ali Movaghar 0001	A New Anti-Spam Protocol Using CAPTCHA.	ICNSC	2007	DBLP DOI BibTeX RDF
49	Wen-Hung Liao	A Captcha Mechanism By Exchange Image Blocks.	ICPR (1)	2006	DBLP DOI BibTeX RDF
49	Henry S. Baird, Michael A. Moll, Sui-Yu Wang	A Highly Legible CAPTCHA That Resists Segmentation Attacks.	HIP	2005	DBLP DOI BibTeX RDF
49	Tim Converse	CAPTCHA Generation as a Web Service.	HIP	2005	DBLP DOI BibTeX RDF
49	Luis von Ahn, Manuel Blum 0001, Nicholas J. Hopper, John Langford 0001	CAPTCHA: Using Hard AI Problems for Security.	EUROCRYPT	2003	DBLP DOI BibTeX RDF
48	Abram Hindle, Michael W. Godfrey, Richard C. Holt	Reverse Engineering CAPTCHAs.	WCRE	2008	DBLP DOI BibTeX RDF
48	N. W. Lo, Shiou-Hung Chen	A study of anti-robot agent mechanisms and process on online games.	ISI	2008	DBLP DOI BibTeX RDF
37	Liming Wang, Xiuling Chang, Zhongjie Ren, Haichang Gao, Xiyang Liu, Uwe Aickelin	Against Spyware Using CAPTCHA in Graphical Password Scheme.	AINA	2010	DBLP DOI BibTeX RDF	authentication, CAPTCHA, spyware, graphical password
37	Takumi Yamamoto, J. Doug Tygar, Masakatsu Nishigaki	CAPTCHA Using Strangeness in Machine Translation.	AINA	2010	DBLP DOI BibTeX RDF	advanced human cognitive processing abilities, machine translated sentences, SS-CAPTCHA, strangeness
37	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
37	Ritendra Datta, Jia Li 0001, James Ze Wang	IMAGINATION: a robust image-based CAPTCHA generation system.	ACM Multimedia	2005	DBLP DOI BibTeX RDF	automated turing test, image retrieval, CAPTCHA
36	Hongwen Kang, Kuansan Wang, David Soukal, Fritz Behr, Zijian Zheng	Large-scale bot detection for search engines.	WWW	2010	DBLP DOI BibTeX RDF	bot detection, click logs, search engine, semi-supervised learning, query logs, captcha
36	Richard Chow, Philippe Golle, Markus Jakobsson, Lusha Wang, XiaoFeng Wang 0001	Making CAPTCHAs clickable.	HotMobile	2008	DBLP DOI BibTeX RDF	reverse Turing test, usability, mobile devices, CAPTCHA
36	Richard Bergmair, Stefan Katzenbeisser 0001	Towards Human Interactive Proofs in the Text-Domain (Using the Problem of Sense-Ambiguity for Security).	ISC	2004	DBLP DOI BibTeX RDF	lexical, word-sense ambiguity, learning, natural language, text, linguistic, CAPTCHA, HIP
34	Adnan Gutub, Nafisah Kheshaifaty	Practicality analysis of utilizing text-based CAPTCHA vs. graphic-based CAPTCHA authentication.	Multim. Tools Appl.	2023	DBLP DOI BibTeX RDF
34	Jun Chen, Xiangyang Luo, Liyan Zhu, Qikun Zhang, Yong Gan	Handwritten CAPTCHA recognizer: a text CAPTCHA breaking method based on style transfer network.	Multim. Tools Appl.	2023	DBLP DOI BibTeX RDF
34	Ran Jiang, Sanfeng Zhang, Linfeng Liu 0001, Yanbing Peng	Diff-CAPTCHA: An Image-based CAPTCHA with Security Enhanced by Denoising Diffusion Model.	CoRR	2023	DBLP DOI BibTeX RDF
34	Aditya Atri, Ankita Bansal, Manju Khari, S. Vimal 0001	De-CAPTCHA: A novel DFS based approach to solve CAPTCHA schemes.	Comput. Electr. Eng.	2022	DBLP DOI BibTeX RDF
34	Yisroel Mirsky	DF-Captcha: A Deepfake Captcha for Preventing Fake Calls.	CoRR	2022	DBLP DOI BibTeX RDF
34	Ahmet Ali Süzen	UNI-CAPTCHA: A Novel Robust and Dynamic User-Non-Interaction CAPTCHA Model Based on Hybrid biLSTM+Softmax.	J. Inf. Secur. Appl.	2021	DBLP DOI BibTeX RDF
34	Amal Mathew, Apeksha Kulkarni, Anson Antony, Shreeanant Bharadwaj, Swapnil Bhalerao	DOCR-CAPTCHA: OCR Classifier based Deep Learning Technique for CAPTCHA Recognition.	OCIT	2021	DBLP DOI BibTeX RDF
34	Zahra Noury, Mahdi Rezaei 0001	Deep-CAPTCHA: a deep learning based CAPTCHA solver for vulnerability assessment.	CoRR	2020	DBLP BibTeX RDF
34	Jianyi Zhang, Xiali Hei 0001, Zhiqiang Wang 0006	Typer vs. CAPTCHA: Private information based CAPTCHA to defend against crowdsourcing human cheating.	CoRR	2019	DBLP BibTeX RDF
34	Palash Ray, Debasis Giri, Salil Kumar, Priya Sahoo	FP-Captcha: An Improved Captcha Design Scheme Based on Face Points.	ICITAM	2019	DBLP DOI BibTeX RDF
34	Aditya Kaushal Ranjan, Binay Kumar	Directional captcha: A novel approach to text based CAPTCHA.	ICACCI	2015	DBLP DOI BibTeX RDF
34	Masahiro Fujita, Yuki Ikeya, Junya Kani, Masakatsu Nishigaki	Chimera CAPTCHA: A Proposal of CAPTCHA Using Strangeness in Merged Objects.	HCI (22)	2015	DBLP DOI BibTeX RDF
34	Dmitry Lakhvich	Организация массового свободного ассоциативного эксперимента в сети Интернет при помощи модуля CAPTCHA (Using CAPTCHA in a Massive Free Association Experiment on the Internet).	AIST (Supplement)	2014	DBLP BibTeX RDF
34	Quan-Bin Ye, Te-En Wei, Albert B. Jeng, Hahn-Ming Lee, Kuo-Ping Wu	DDIM-CAPTCHA: A Novel Drag-n-Drop Interactive Masking CAPTCHA against the Third Party Human Attacks.	TAAI	2013	DBLP DOI BibTeX RDF
34	Varun Ambrose Thomas, Karanvir Kaur	Cursor CAPTCHA - Implementing CAPTCHA using mouse cursor.	WOCN	2013	DBLP DOI BibTeX RDF
34	S. K. Chaudhari, A. R. Deshpande, S. B. Bendale, R. V. Kotian	3D drag-n-drop CAPTCHA enhanced security through CAPTCHA.	ICWET	2011	DBLP DOI BibTeX RDF
34	Carlos Javier Hernández-Castro, Arturo Ribagorda	Pitfalls in CAPTCHA design and implementation: The Math CAPTCHA, a case study.	Comput. Secur.	2010	DBLP DOI BibTeX RDF
33	Waseem Daher, Ran Canetti	POSH: a generalized captcha with security applications.	AISec	2008	DBLP DOI BibTeX RDF	puzzles, password security
33	Sui-Yu Wang, Jon Louis Bentley	CAPTCHA Challenge Tradeoffs: Familiarity of Strings versus Degradation of Images.	ICPR (3)	2006	DBLP DOI BibTeX RDF
33	Daniel P. Lopresti	Leveraging the CAPTCHA Problem.	HIP	2005	DBLP DOI BibTeX RDF
33	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
33	Greg Mori, Jitendra Malik	Recognizing Objects in Adversarial Clutter: Breaking a Visual CAPTCHA.	CVPR (1)	2003	DBLP DOI BibTeX RDF
32	Aleksey Kolupaev, Juriy Ogijenko	CAPTCHAs: Humans vs. Bots.	IEEE Secur. Priv.	2008	DBLP DOI BibTeX RDF
32	Jeff Yan, Ahmad Salah El Ahmad	Breaking Visual CAPTCHAs with Naive Pattern Recognition Algorithms.	ACSAC	2007	DBLP DOI BibTeX RDF
32	Deapesh Misra, Kris Gaj	Face Recognition CAPTCHAs.	AICT/ICIW	2006	DBLP DOI BibTeX RDF
32	Philippe Golle, Nicolas Ducheneaut	Preventing bots from playing online games.	Comput. Entertain.	2005	DBLP DOI BibTeX RDF	reverse Turing test, agents, games, CAPTCHAs, bots
32	Tsz-Yan Chan	Using a Text-to-Speech Synthesizer to Generate a Reverse Turing Test.	ICTAI	2003	DBLP DOI BibTeX RDF
20	Jong-Woo Kim, Woo-Keun Chung, Seon-Yeong Kim, Hwan-Gue Cho	Detecting the Orientation of N-gonal Cropped Sub-images and Its Application.	CIT	2010	DBLP DOI BibTeX RDF	Image-based CAPTCHA, Random attack, Perceptual recognition, Machine learning, Usability
20	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
20	Anja B. Naumann, Thomas Franke, Christian Bauckhage	Investigating CAPTCHAs Based on Visual Phenomena.	INTERACT (2)	2009	DBLP DOI BibTeX RDF	visual phenomena, optical illusions, CAPTCHA
20	Sajad Shirali-Shahreza, Mohammad Shirali-Shahreza	A New Human Interactive Proofs System for Deaf Persons.	ITNG	2008	DBLP DOI BibTeX RDF	CAPTCHA (Completely Automatic Public Turing test to tell Computer and Human Apart), Deaf Persons, HIP (Human Interactive Proof), Disabled People
20	Bruno Norberto da Silva, Lucia H. da Silva, Ana Cristina Bicharra Garcia	Achieving accessibility with self-interested designers: a strategic knowledge-acquisition approach.	CHI Extended Abstracts	2008	DBLP DOI BibTeX RDF	ka-captcha, accessibility, knowledge acquisition
20	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
20	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
20	Roman V. Yampolskiy, Venu Govindaraju	Embedded noninteractive continuous bot detection.	Comput. Entertain.	2007	DBLP DOI BibTeX RDF	reverse Turing test, agents, games, CAPTCHA, bots
20	Rick Wash, Jeffrey K. MacKie-Mason	Security when people matter: structuring incentives for user behavior.	ICEC	2007	DBLP DOI BibTeX RDF	security, design, spam, economics, incentives, botnets, captcha
20	Yong Rui, Zicheng Liu 0001	ARTiFACIAL: Automated Reverse Turing test using FACIAL features.	Multim. Syst.	2004	DBLP DOI BibTeX RDF	Face detection, Web services security, CAPTCHA, Human interactive proof (HIP), Facial feature detection
20	Esma Aïmeur, Gilles Brassard, Flavien Serge Mani Onana	Blind sales in electronic commerce.	ICEC	2004	DBLP DOI BibTeX RDF	anonymous surfing, customer buying behaviour, cryptography, electronic commerce, oblivious transfer, CAPTCHA, private information retrieval
20	Yong Rui, Zicheng Liu 0001	ARTiFACIAL: automated reverse turing test using FACIAL features.	ACM Multimedia	2003	DBLP DOI BibTeX RDF	face and facial feature detection, web services security, CAPTCHA, turing test, human interactive proof (HIP)
20	Yong Rui, Zicheng Liu 0001	Excuse me, but are you human?	ACM Multimedia	2003	DBLP DOI BibTeX RDF	face and facial feature detection, web services security, CAPTCHA, turing test, human interactive proof (HIP)
17	Maneerut Chatrangsan, Chatpong Tangmanee	Robustness and user test on text-based CAPTCHA: Letter segmenting is not too easy or too hard.	Array	2024	DBLP DOI BibTeX RDF
17	Sujanavan Tiruvayipati	Replacing CAPTCHA with XNO micropayments.	CoRR	2024	DBLP DOI BibTeX RDF
17	Vaibhav Khatavkar, Makarand Velankar, Sneha Petkar	Segmentation-free Connectionist Temporal Classification loss based OCR Model for Text Captcha Classification.	CoRR	2024	DBLP DOI BibTeX RDF
17	Natalia Krzyworzeka, Lidia Ogiela, Marek R. Ogiela	Personal CAPTCHA-based authentication protocol.	Comput. Secur.	2024	DBLP DOI BibTeX RDF
17	Nghia Dinh, Huy Tran Tien, Viet-Tuan Le, Huu-Thanh Duong, Lidia Ogiela, Vinh Truong Hoang	Cognitive Blind Blockchain CAPTCHA Architecture.	AINA (4)	2024	DBLP DOI BibTeX RDF
17	Yao Wang, Yuliang Wei, Yifan Zhang, Chuhao Jin, Guodong Xin, Bailing Wang	Few-shot learning in realistic settings for text CAPTCHA recognition.	Neural Comput. Appl.	2023	DBLP DOI BibTeX RDF
17	Nghia Dinh, Kiet Tran-Trung, Vinh Truong Hoang	Augment CAPTCHA Security Using Adversarial Examples With Neural Style Transfer.	IEEE Access	2023	DBLP DOI BibTeX RDF
17	Palash Ray, Asish Bera, Debasis Giri, Debotosh Bhattacharjee	Style matching CAPTCHA: match neural transferred styles to thwart intelligent attacks.	Multim. Syst.	2023	DBLP DOI BibTeX RDF
17	Ahmed Iqbal Pritom, Md. Abdullah Al Mashuk, Somi Ahmed, Nazifa Monira, Md. Zahidul Islam	GESTCHA: a gesture-based CAPTCHA design for smart devices using angular velocity.	Multim. Tools Appl.	2023	DBLP DOI BibTeX RDF
17	Jaskaran Singh Walia, Aryan Odugoudar	Vulnerability analysis of captcha using Deep learning.	CoRR	2023	DBLP DOI BibTeX RDF
17	Rui Jin, Lin Huang, Jikang Duan, Wei Zhao, Yong Liao, Pengyuan Zhou	How Secure is Your Website? A Comprehensive Investigation on CAPTCHA Providers and Solving Services.	CoRR	2023	DBLP DOI BibTeX RDF
17	Duc C. Hoang, Cuong V. Nguyen, Amin Kharraz	EnSolver: Uncertainty-Aware CAPTCHA Solver Using Deep Ensembles.	CoRR	2023	DBLP DOI BibTeX RDF
17	Lior Yasur, Guy Frankovits, Fred M. Grabovski, Yisroel Mirsky	Deepfake CAPTCHA: A Method for Preventing Fake Calls.	CoRR	2023	DBLP DOI BibTeX RDF
17	Noshina Tariq, Farrukh Aslam Khan, Syed Atif Moqurrab, Gautam Srivastava 0001	CAPTCHA Types and Breaking Techniques: Design Issues, Challenges, and Future Research Directions.	CoRR	2023	DBLP DOI BibTeX RDF
17	Mohinder Kumar, Manish Kumar Jindal, Munish Kumar	An efficient technique for breaking of coloured Hindi CAPTCHA.	Soft Comput.	2023	DBLP DOI BibTeX RDF
17	Ping Wang, Haichang Gao, Xiaoyan Guo, Chenxuan Xiao, Fuqi Qi, Zheng Yan 0002	An Experimental Investigation of Text-based CAPTCHA Attacks and Their Robustness.	ACM Comput. Surv.	2023	DBLP DOI BibTeX RDF
17	Jie Zhang, Min-Yen Tsai, Kotcharat Kitchat, Min-Te Sun, Kazuya Sakai, Wei-Shinn Ku, Thattapon Surasak, Tipajin Thaipisutikul	A secure annuli CAPTCHA system.	Comput. Secur.	2023	DBLP DOI BibTeX RDF
17	Zaid Derea, Beiji Zou, Amal A. Al-Shargabi, Alaa Thobhani, Amr Abdussalam	Deep Learning Based CAPTCHA Recognition Network with Grouping Strategy.	Sensors	2023	DBLP DOI BibTeX RDF
17	Natalia Krzyworzeka, Lidia Ogiela, Marek R. Ogiela	Cognitive CAPTCHA Password Reminder.	Sensors	2023	DBLP DOI BibTeX RDF
17	Nghia Dinh Trong, Thien Ho Huong, Vinh Truong Hoang	New Cognitive Deep-Learning CAPTCHA.	Sensors	2023	DBLP DOI BibTeX RDF
17	Mauro Conti, Luca Pajola, Pier Paolo Tricomi	Turning captchas against humanity: Captcha-based attacks in online social media.	Online Soc. Networks Media	2023	DBLP DOI BibTeX RDF
17	Ping Wang, Haichang Gao, Chenxuan Xiao, Xiaoyan Guo, Yipeng Gao, Yang Zi	Extended Research on the Security of Visual Reasoning CAPTCHA.	IEEE Trans. Dependable Secur. Comput.	2023	DBLP DOI BibTeX RDF
17	Sanjay Pate, Rakesh Ramteke	DEVANAGARI CAPTCHA DATASET OF 1 Million Images : A challenge Test.		2023	DOI RDF
17	Natsuo Hayashi, Takashi Satoh, Satoshi Uehara	A Study on Robustness Evaluation of Weave Filters against Reverse Image Search Attacks on CAPTCHA.	ICCE-Taiwan	2023	DBLP DOI BibTeX RDF