Time-Domain Dictionary for Sparse Representation of Radar High Resolution Range Profile.
Jinrong ZhongGongJian WenCongHui MaBoyuan DingPublished in: CSE (2014)
Keyphrases
- sparse representation
- high resolution
- signal processing
- dictionary learning
- image super resolution
- single image super resolution
- low resolution
- sparse coding
- face recognition
- image classification
- reconstruction error
- random projections
- compressive sensing
- learned dictionary
- compressed sensing
- frequency domain
- negative matrix factorization
- image processing
- sparse approximations
- high dimensional data
- piecewise smooth
- image patches
- joint optimization
- sparse reconstruction
- sparse codes
- test images
- super resolution
- dimensionality reduction
- regularized least squares
- neural network
- sparse coefficients
- data mining
- nearest neighbor
- low resolution images
- linear classifiers
- bag of words