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Luis von Ahn
Results: 46

#	Item
1	Using Automatic Speech Recognition for Attacking Acoustic CAPTCHAs: The Trade-off between Usability and Security Add to Reading List Source URL: www.ei.rub.de Language: English - Date: 2014-11-07 01:28:08 Artificial intelligence Computing Human-based computation World Wide Web CAPTCHA Computer security Computer vision Anti-spam Spamming Luis von Ahn Speech recognition Internet bot
2	CAPTCHA: Using Hard AI Problems For Security Luis von Ahn1 , Manuel Blum1 , Nicholas J. Hopper1 , and John Langford2 1 Computer Science Dept., Carnegie Mellon University, Pittsburgh PA 15213, USA Add to Reading List Source URL: hunch.net Language: English - Date: 2003-09-18 19:47:10 Computational neuroscience Human-based computation Complexity classes CAPTCHA Computer security Computer vision Internet bot Turing test Artificial general intelligence Luis von Ahn Artificial intelligence NP
3	Solving Avatar Captchas Automatically Mohammed Korayem1,3 , Abdallah A. Mohamed2,4 , David Crandall1 , and Roman V. Yampolskiy2 1 2 Add to Reading List Source URL: vision.soic.indiana.edu Language: English - Date: 2014-08-03 00:38:06 Imaging Artificial intelligence CAPTCHA Object recognition Histogram Luis von Ahn Feature Image histogram Histogram of oriented gradients Computer vision Image processing Vision
4	CAPTCHA: Using Hard AI Problems For Security Luis von Ahn1 , Manuel Blum1 , Nicholas J. Hopper1 , and John Langford2 1 Computer Science Dept., Carnegie Mellon University, Pittsburgh PA 15213, USA Add to Reading List Source URL: www.cs.cmu.edu Language: English - Date: 2003-02-27 12:07:03 Science Artificial intelligence Alan Turing Philosophy of artificial intelligence Turing test Luis von Ahn Strong AI NP IP Applied mathematics CAPTCHA Human-based computation
5	Learning visual features for the Avatar Captcha Recognition Challenge Mohammed Korayem∗‡ , Abdallah A. Mohamed†§ , David Crandall∗ , Roman V. Yampolskiy† ∗ School of Informatics and Computing, Indiana Univer Add to Reading List Source URL: vision.soic.indiana.edu Language: English - Date: 2014-08-03 00:38:05 CAPTCHA Human-based computation Image processing Luis von Ahn Object recognition Histogram Naive Bayes classifier Image histogram Linear classifier Statistics Statistical classification Computer vision
6	Public-Key Steganography Luis von Ahn and Nicholas J. Hopper Carnegie Mellon University Abstract. Informally, a public-key steganography protocol allows two parties, who have never met or exchanged a secret, to send hidd Add to Reading List Source URL: eprint.iacr.org Language: English - Date: 2003-11-06 19:00:02 Steganography Advantage Ciphertext indistinguishability RSA Information theory Cyberwarfare Security Espionage Public-key cryptography Cryptography
7	Microsoft Word - Invitation3.doc Add to Reading List Source URL: www.cmu.edu Language: English - Date: 2015-04-10 09:15:41 Anti-spam Carnegie Mellon University Crowdsourcing ReCAPTCHA CAPTCHA Olympus Luis von Ahn Lenore Blum Technology Human-based computation World Wide Web Computing
8	k -Anonymous Message Transmission Luis von Ahn Andrew Bortz Nicholas J. Hopper Computer Science Department Carnegie Mellon University {biglou,abortz,hopper}@cs.cmu.edu August 29, 2003 Add to Reading List Source URL: abortz.net Language: English - Date: 2010-06-18 14:05:16 Crowds Onion routing Cryptographic protocols Communications protocol Public-key cryptography Anonymity IP XTR Cryptography Internet privacy Commitment scheme
9	Making CAPTCHAs Clickable Richard Chow Philippe Golle Markus Jakobsson Add to Reading List Source URL: crypto.stanford.edu Language: English - Date: 2008-03-25 13:34:39 Security Computing Human-based computation Reverse Turing test Luis von Ahn Turing test Optical character recognition Clickable Computer security Artificial intelligence Alan Turing CAPTCHA
10	Re: CAPTCHAs – Understanding CAPTCHA-Solving Services in an Economic Context Marti Motoyama, Kirill Levchenko, Chris Kanich, Damon McCoy, Geoffrey M. Voelker and Stefan Savage University of California, San Diego {mmoto Add to Reading List Source URL: cseweb.ucsd.edu Language: English - Date: 2010-07-23 12:33:01 Software Human-based computation CAPTCHA Alan Turing XRumer Luis von Ahn Forum spam PhpBB Turing test Computing Internet Spamming