Fenchel Duality Based Dictionary Learning for Restoration of Noisy Images.
Shanshan WangYong XiaQiegen LiuPei DongDavid Dagan FengJianhua LuoPublished in: IEEE Trans. Image Process. (2013)
Keyphrases
- noisy images
- dictionary learning
- additive gaussian noise
- restored image
- degraded images
- sparse representation
- sparse coding
- denoising
- image denoising
- image patches
- noise level
- edge detection
- natural images
- image restoration
- image deblurring
- noise variance
- feed forward back propagation neural network
- image representation
- image processing
- unsupervised learning
- data sets
- total variation
- generative model
- super resolution
- map estimation
- higher order
- training set
- multiscale
- feature selection