Dictionary learning for signals in additive noise with generalized Gaussian distribution.
Xiaomeng ZhengBogdan DumitrescuJiamou LiuCiprian Doru GiurcaneanuPublished in: Signal Process. (2022)
Keyphrases
- additive noise
- dictionary learning
- generalized gaussian distribution
- sparse representation
- noisy images
- sparse coding
- spatial domain
- maximum likelihood
- signal processing
- random variables
- subband
- frequency domain
- image watermarking
- denoising
- speech signal
- edge detection
- image reconstruction
- wavelet domain
- image denoising
- high resolution
- wavelet transform