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NIPS
2008
13 years 9 months ago
Breaking Audio CAPTCHAs
CAPTCHAs are computer-generated tests that humans can pass but current computer systems cannot. CAPTCHAs provide a method for automatically distinguishing a human from a computer ...
Jennifer Tam, Jirí Simsa, Sean Hyde, Luis v...
WORM
2003
13 years 9 months ago
Worm propagation modeling and analysis under dynamic quarantine defense
Due to the fast spreading nature and great damage of Internet worms, it is necessary to implement automatic mitigation, such as dynamic quarantine, on computer networks. Enlighten...
Cliff Changchun Zou, Weibo Gong, Donald F. Towsley
SAC
2010
ACM
13 years 8 months ago
Improving the efficiency of dynamic malware analysis
Each day, security companies see themselves confronted with thousands of new malware programs. To cope with these large quantities, researchers and practitioners alike have develo...
Ulrich Bayer, Engin Kirda, Christopher Kruegel
CVPR
2010
IEEE
14 years 4 months ago
Building Reconstruction using Manhattan-World Grammars
We present a passive computer vision method that exploits existing mapping and navigation databases in order to automatically create 3D building models. Our method defines a gramm...
Carlos Vanegas, Daniel Aliaga, Bedrich Benes
CVPR
2006
IEEE
14 years 2 months ago
A Modular Approach to the Analysis and Evaluation of Particle Filters for Figure Tracking
This paper presents the first systematic empirical study of the particle filter (PF) algorithms for human figure tracking in video. Our analysis and evaluation follows a modula...
Ping Wang, James M. Rehg