LFM signal detection and estimation based on sparse representation.
Mohsen JoneidiAlireza ZaeemzadehShideh RezaeifarMahdi AbavisaniNazanin RahnavardPublished in: CISS (2015)
Keyphrases
- sparse representation
- signal detection
- dictionary learning
- sparse coding
- face recognition
- compressed sensing
- image classification
- random projections
- object tracking
- compressive sensing
- signal processing
- regularized least squares
- high dimensional data
- joint optimization
- dimensionality reduction
- image patches
- low signal to noise ratio
- reconstruction error
- piecewise smooth
- test images
- sparse approximations
- image representation
- sparse reconstruction
- weak signal
- negative matrix factorization
- norm minimization
- sparse coefficients
- linear combination
- sparsity constraints
- sparse codes