Compressed Imaging Reconstruction Based on Block Compressed Sensing with Conjugate Gradient Smoothed l0 Norm.
Yongtian ZhangXiaomei ChenChao ZengKun GaoShuzhong LiPublished in: Sensors (2023)
Keyphrases
- compressed sensing
- conjugate gradient
- image reconstruction
- training algorithm
- random projections
- convergence rate
- maximum likelihood estimation
- natural images
- sparse representation
- high resolution
- reproducing kernel hilbert space
- levenberg marquardt
- image processing
- signal processing
- super resolution
- least squares
- pairwise
- computational complexity
- pattern recognition