A sparse representation method of 2-D sensory data in wireless sensor networks.
Cuicui LvQiang WangWenjie YanRongqiang ZhaoJin-Ming ChenPublished in: I2MTC (2016)
Keyphrases
- sparse representation
- wireless sensor networks
- image processing
- prior knowledge
- neural network
- similarity measure
- reconstruction error
- unsupervised learning
- sensory data
- piecewise smooth
- negative matrix factorization
- sparse coding
- activity recognition
- machine learning algorithms
- pattern recognition
- multiscale
- feature extraction
- learning algorithm