K-SVD for HARDI denoising.
Vishal PatelYonggang ShiPaul M. ThompsonArthur W. TogaPublished in: ISBI (2011)
Keyphrases
- sparse and redundant representations
- denoising
- signal and image processing
- image denoising
- natural images
- sparse coding
- sparse representation
- noisy images
- dictionary learning
- image processing
- wavelet domain
- total variation
- denoising algorithm
- signal processing
- partial differential equations
- joint optimization
- small image patches
- white matter
- denoising methods
- frequency domain
- brain connectivity
- fourier transform
- high angular resolution diffusion imaging
- nonlinear diffusion
- feature extraction
- hardi data
- wavelet packet
- image representation
- image restoration
- image patches