High-Resolution Sparse Representation of Micro-Doppler Signal in Sparse Fractional Domain.
Xiaolong ChenXiaohan YuJian GuanYou HePublished in: MLICOM (2) (2017)
Keyphrases
- sparse representation
- signal processing
- compressive sensing
- dictionary learning
- high resolution
- sparse coding
- image super resolution
- image processing
- single image super resolution
- face recognition
- random projections
- compressed sensing
- high frequency
- sparsity constraints
- low resolution
- regularized least squares
- image classification
- reconstruction error
- joint optimization
- sparse approximations
- image patches
- high dimensional data
- pattern recognition
- sparse reconstruction
- image representation
- norm minimization
- orthogonal matching pursuit
- sparse signal representation
- test images
- super resolution
- dimensionality reduction
- machine learning
- negative matrix factorization
- visual words
- high quality
- feature selection
- computer vision
- signal recovery
- sar imaging
- data mining