Image Denoising via Improved Sparse Coding.
Xiaoqiang LuHaoliang YuanPingkun YanLuoqing LiXuelong LiPublished in: BMVC (2011)
Keyphrases
- image denoising
- sparse coding
- natural images
- denoising
- multiscale
- total variation
- higher order
- noisy images
- object recognition
- image patches
- partial differential equations
- wavelet domain
- sparse representation
- input image
- shift invariant
- bilateral filtering
- image representation
- image deblurring
- linear combination
- unsupervised learning
- generative model
- wavelet coefficients
- augmented lagrangian
- denoising algorithm
- test images
- face recognition
- feature space
- similarity measure