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Sparse representation of point trajectories for action classification.
Ravishankar Sivalingam
Guruprasad Somasundaram
Vineet Bhatawadekar
Vassilios Morellas
Nikolaos Papanikolopoulos
Published in:
ICRA (2012)
Keyphrases
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sparse representation
action recognition
sparse coding
image classification
face recognition
bag of words
image patches
negative matrix factorization
high dimensional data
human actions
image reconstruction