Combining depth-skeleton feature with sparse coding for action recognition.
Hanling ZhangPing ZhongJiale HeChenxing XiaPublished in: Neurocomputing (2017)
Keyphrases
- action recognition
- sparse coding
- bag of words
- depth sensors
- visual words
- dictionary learning
- natural images
- sparse representation
- image classification
- linear combination
- human actions
- human detection
- computer vision
- generative model
- unsupervised learning
- image features
- image representation
- depth map
- feature space
- image patches
- bag of features
- depth information
- bag of visual words
- high dimensional
- reinforcement learning
- feature vectors
- higher order
- multiscale
- probabilistic model
- high dimensional data
- face recognition