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CVPR
2006
IEEE
16 years 7 months ago
The Function Space of an Activity
An activity consists of an actor performing a series of actions in a pre-defined temporal order. An action is an individual atomic unit of an activity. Different instances of the ...
Ashok Veeraraghavan, Amit K. Roy Chowdhury
CVPR
2007
IEEE
16 years 7 months ago
From Videos to Verbs: Mining Videos for Activities using a Cascade of Dynamical Systems
Clustering video sequences in order to infer and extract activities from a single video stream is an extremely important problem and has significant potential in video indexing, s...
Pavan K. Turaga, Ashok Veeraraghavan, Rama Chellap...
ICIP
2006
IEEE
16 years 6 months ago
Influence of the Presentation Time on Subjective Votings of Coded Still Images
The quality of coded images is often assessed by a subjective test. Usually the viewers get as much time as they need to find a stable result. In video sequences however, the view...
André Kaup, Bjoern Eskofier, Jens Bialkowsk...
ICML
2009
IEEE
16 years 5 months ago
On primal and dual sparsity of Markov networks
Sparsity is a desirable property in high dimensional learning. The 1-norm regularization can lead to primal sparsity, while max-margin methods achieve dual sparsity. Combining the...
Jun Zhu, Eric P. Xing
ISBI
2006
IEEE
16 years 5 months ago
Estimating myocardial fiber orientations by template warping
Myocardial fiber orientations are an important element for accurate modeling of cardiac electromechanics. However it is extremely difficult to estimate these directly in vivo with...
Hari Sundar, Dinggang Shen, George Biros, Harold L...