Group Sparsity and Geometry Constrained Dictionary Learning for Action Recognition from Depth Maps.
Jiajia LuoWei WangHairong QiPublished in: ICCV (2013)
Keyphrases
- action recognition
- group sparsity
- dictionary learning
- depth map
- depth cameras
- three dimensional
- sparse coding
- sparse representation
- multi view
- depth information
- bag of words
- structured sparsity
- input image
- high quality
- computer vision
- image sequences
- high resolution
- image classification
- depth data
- discriminative power
- natural images
- unsupervised learning
- super resolution
- low rank
- high dimensional
- low resolution
- machine learning
- input data
- signal processing
- depth images
- pairwise
- feature extraction
- face recognition
- learning algorithm