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TWC
2010
13 years 3 months ago
On the Efficacy of Frequency Hopping in Coping with Jamming Attacks in 802.11 Networks
Abstract--Frequency hopping (FH) has been the most popularly considered approach for alleviating the effects of jamming attacks. We re-examine, the efficacy of FH based on both exp...
Konstantinos Pelechrinis, Christos Koufogiannakis,...
CHI
2011
ACM
13 years 10 days ago
Post-deployment usability: a survey of current practices
Despite the growing research on usability in the predevelopment phase, we know little about post-deployment usability activities. To characterize these activities, we surveyed 333...
Parmit K. Chilana, Andrew J. Ko, Jacob O. Wobbrock...
CSCW
2012
ACM
12 years 4 months ago
Coordination and beyond: social functions of groups in open content production
We report on a study of the English edition of Wikipedia in which we used a mixed methods approach to understand how nested organizational structures called WikiProjects support c...
Andrea Forte, Niki Kittur, Vanessa Larco, Haiyi Zh...
CVPR
2006
IEEE
14 years 10 months ago
A Closed Form Solution to Natural Image Matting
Interactive digital matting, the process of extracting a foreground object from an image based on limited user input, is an important task in image and video editing. From a compu...
Anat Levin, Dani Lischinski, Yair Weiss
ICCV
2007
IEEE
14 years 10 months ago
3-D Reconstruction from Sparse Views using Monocular Vision
We consider the task of creating a 3-d model of a large novel environment, given only a small number of images of the scene. This is a difficult problem, because if the images are...
Ashutosh Saxena, Min Sun, Andrew Y. Ng