Sparse Representation of Sensor Network Signals Based on the K-SVD Algorithm.
Zhiqiang ZouXu HeYinxia WangJiagao WuPublished in: PE-WASUN (2018)
Keyphrases
- sparse representation
- sensor networks
- reconstruction error
- dictionary learning
- sparse coding
- sparse reconstruction
- mobile sensor networks
- signal processing
- image classification
- negative matrix factorization
- regularized least squares
- test images
- high dimensional data
- sparse coefficients
- communication cost
- linear combination
- probabilistic model
- data sets
- natural images
- particle filter
- image features
- joint optimization
- wireless sensor networks
- data streams
- computer vision