Sparse representation of point trajectories for action classification.

Ravishankar SivalingamGuruprasad SomasundaramVineet BhatawadekarVassilios MorellasNikolaos Papanikolopoulos
Published in: ICRA (2012)
Keyphrases
  • 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