A group sparsity-driven approach to 3-D action recognition.
Serhan CosarMüjdat ÇetinPublished in: ICCV Workshops (2011)
Keyphrases
- action recognition
- group sparsity
- structured sparsity
- sparse coding
- dictionary learning
- bag of words
- low rank
- human actions
- computer vision
- sparse representation
- discriminative power
- recognizing human actions
- visual words
- bag of features
- natural images
- pairwise
- convex optimization
- singular value decomposition
- statistical learning
- signal processing
- markov random field
- video sequences
- multiscale