Noise Variance Estimation Using Asymptotic Residual in Compressed Sensing.
Ryo HayakawaPublished in: CoRR (2020)
Keyphrases
- cross validation
- compressed sensing
- regularization parameter
- noise variance
- image reconstruction
- random projections
- natural images
- sparse representation
- noisy images
- correlation coefficient
- signal processing
- noise level
- point spread function
- object recognition
- signal to noise ratio
- data sets
- random sampling
- high dimensional
- gaussian noise
- image noise
- pattern recognition
- feature selection