Local Random Sparse Coding for Human Action Recognition in Wireless Sensor Networks.
Zhong ZhangShuang LiuPublished in: Int. J. Distributed Sens. Networks (2015)
Keyphrases
- sparse coding
- wireless sensor networks
- dictionary learning
- sparse representation
- natural images
- image classification
- linear combination
- unsupervised learning
- sensor networks
- generative model
- single image super resolution
- image representation
- group sparsity
- object category recognition
- discriminative power
- sparse codes
- high dimensional
- image patches
- feature space
- action recognition
- person re identification
- image processing
- sparsity constraints
- data sets
- higher order
- multiscale
- test images
- denoising
- visual words
- image features
- high dimensional data
- learning algorithm
- co occurrence