Sciweavers

366 search results - page 38 / 74
» fast 2011
Sort
View
77
Voted
IACR
2011
123views more  IACR 2011»
13 years 9 months ago
Hummingbird: Privacy at the time of Twitter
In the last several years, micro-blogging Online Social Networks (OSNs), such as Twitter, have taken the world by storm, now boasting over 100 million subscribers. As an unparalle...
Emiliano De Cristofaro, Claudio Soriente, Gene Tsu...
CVPR
2011
IEEE
14 years 7 months ago
Globally-Optimal Greedy Algorithms for Tracking a Variable Number of Objects
We analyze the computational problem of multi-object tracking in video sequences. We formulate the problem using a cost function that requires estimating the number of tracks, as ...
Hamed Pirsiavash, Deva Ramanan, Charless Fowlkes
CVPR
2011
IEEE
14 years 5 months ago
On analyzing video with very small motions
We characterize a class of videos consisting of very small but potentially complicated motions. We find that in these scenes, linear appearance variations have a direct relations...
Robert Pless, Nathan Jacobs, Michael Dixon, Austin...
CVPR
2011
IEEE
14 years 4 months ago
Blind Deconvolution Using A Normalized Sparsity Measure
Blind image deconvolution is an ill-posed problem that requires regularization to solve. However, many common forms of image prior used in this setting have a major drawback in th...
Dilip Krishnan, Rob Fergus
AUTOMATICA
2011
14 years 4 months ago
Distributed dynamic programming for discrete-time stochastic control, and idempotent algorithms
Previously, idempotent methods have been found to be extremely fast for solution of dynamic programming equations associated with deterministic control problems. The original meth...
William M. McEneaney