Speckle noise reduction via phase-aware clustering-based non-local simultaneous sparse coding.
Jinze YuPublished in: ICIP (2016)
Keyphrases
- sparse coding
- speckle noise
- ultrasound images
- natural images
- low contrast
- noise reduction
- sparse representation
- sar images
- denoising
- image classification
- linear combination
- additive noise
- unsupervised learning
- synthetic aperture radar
- edge preserving
- generative model
- anisotropic diffusion
- wavelet domain
- image representation
- image patches
- texture information
- gray level
- high dimensional
- feature space
- visual words
- computer vision
- signal to noise ratio
- dimensionality reduction
- image reconstruction
- spatial domain
- wavelet coefficients
- high resolution
- multiresolution
- multiscale