Clustering-based SAR image denoising by sparse representation with KSVD.
Yunshu ZhangKefeng JiZhipeng DengShilin ZhouHuanxin ZouPublished in: IGARSS (2016)
Keyphrases
- image denoising
- sparse representation
- dictionary learning
- reconstruction error
- sparse coding
- denoising
- natural images
- noisy images
- sar images
- wavelet domain
- face recognition
- total variation
- image processing
- image classification
- signal processing
- compressive sensing
- image patches
- wavelet coefficients
- sparse codes
- high dimensional data
- test images
- image representation
- piecewise smooth
- dimensionality reduction
- higher order
- multiscale
- image reconstruction
- noise level
- sparse learning
- object recognition
- data sets