Wavelet-Based Sparse Representation for Helicopter Main Rotor Blade Radar Backscatter Signal Separation.
Si Tran Nguyen NguyenSandun KodituwakkuRocco MelinoHai-Tan TranPublished in: IEEE Trans. Aerosp. Electron. Syst. (2017)
Keyphrases
- sparse representation
- signal processing
- compressive sensing
- dictionary learning
- sparse coding
- joint optimization
- mathematical model
- compressed sensing
- image classification
- face recognition
- image representation
- image patches
- reconstruction error
- pattern recognition
- random projections
- negative matrix factorization
- multiresolution
- test images
- regularized least squares
- image processing
- dimensionality reduction
- radar signal
- frequency domain
- multiscale
- sparse approximations
- wavelet transform
- data points
- high dimensional
- data analysis
- object recognition
- computer vision
- sparsity constraints
- signal recovery
- sparse signal representation