External prior learning and internal mean sparse coding for image denoising.
Qiongshuai LyuMin GuoMiao MaRichard W. MankinPublished in: J. Electronic Imaging (2019)
Keyphrases
- image denoising
- sparse coding
- natural images
- dictionary learning
- denoising
- unsupervised learning
- learning algorithm
- total variation
- noisy images
- prior knowledge
- higher order
- supervised learning
- active learning
- image processing
- image representation
- reinforcement learning
- wavelet domain
- denoising algorithm
- scale space
- multiresolution
- feature space