Action recognition using multi-layer Depth Motion maps and Sparse Dictionary Learning.
Chengwu LiangEnqing ChenLin QiLing GuanPublished in: MMSP (2015)
Keyphrases
- dictionary learning
- multi layer
- sparse representation
- sparse coding
- group sparse coding
- neural network
- group sparsity
- image sequences
- sparsity constraints
- neural nets
- image classification
- motion estimation
- sparse codes
- optical flow
- natural images
- image patches
- unsupervised learning
- dictionary learning for sparse
- face recognition
- feature vectors
- decision trees
- high dimensional data