Human interaction recognition through two-phase sparse coding.
Bo ZhangNicola ConciFrancesco G. B. De NatalePublished in: Video Surveillance and Transportation Imaging Applications (2014)
Keyphrases
- human interaction
- sparse coding
- unsupervised learning
- dictionary learning
- natural images
- sparse representation
- human computer interaction
- image classification
- linear combination
- object recognition
- human interactions
- image representation
- generative model
- person re identification
- single image super resolution
- sparse codes
- feature space
- object category recognition
- high dimensional
- pattern recognition
- image patches
- gesture recognition
- visual recognition
- feature extraction
- visual words
- input image
- human activities
- intra class variations
- computer vision
- low dimensional
- feature selection
- multiscale
- small number
- nearest neighbor
- action recognition
- dimensionality reduction
- signal processing