Dictionary learning based impulse noise removal via L1-L1 minimization.
Shanshan WangQiegen LiuYong XiaPei DongJianhua LuoQiu HuangDavid Dagan FengPublished in: Signal Process. (2013)
Keyphrases
- dictionary learning
- impulse noise removal
- sparse representation
- sparse coding
- anisotropic diffusion
- total variation
- image deblurring
- objective function
- edge preservation
- regularization term
- linear combination
- impulsive noise
- natural images
- image patches
- edge detection
- impulse noise
- partial differential equations
- machine learning
- noise reduction
- object recognition
- noise removal
- image representation
- image classification