Tensor Ring Decomposition Guided Dictionary Learning for OCT Image Denoising.
Parisa Ghaderi DaneshmandHossein RabbaniPublished in: IEEE Trans. Medical Imaging (2024)
Keyphrases
- image denoising
- dictionary learning
- sparse coding
- natural images
- denoising
- sparse representation
- higher order
- noisy images
- total variation
- partial differential equations
- wavelet packet
- image processing
- wavelet coefficients
- high order
- nonlinear diffusion
- bilateral filtering
- image patches
- multiscale
- object recognition
- linear combination
- augmented lagrangian
- unsupervised learning
- denoising algorithm
- anisotropic diffusion
- tensor field
- diffusion tensor
- computational complexity
- convex optimization
- pairwise
- wavelet transform
- image classification
- machine learning