Accurate and robust device-free localization approach via sparse representation in presence of noise and outliers.
D. S. WangX. S. GuoY. X. ZouPublished in: DSP (2016)
Keyphrases
- sparse representation
- dictionary learning
- norm minimization
- robust statistical
- illumination variations
- sparse coding
- imaging artifacts
- image classification
- missing data
- face recognition
- reconstruction error
- compressive sensing
- piecewise smooth
- sparsity constraints
- image patches
- image representation
- high dimensional data
- object tracking
- regularized least squares
- negative matrix factorization
- joint optimization
- random projections
- test images
- computer vision
- pattern recognition
- sparse approximations
- neural network
- compressed sensing
- high resolution
- signal to noise ratio
- object detection
- noise level
- partial occlusion
- feature selection
- sparse reconstruction
- probabilistic model
- signal processing