Principal component dictionary-based patch grouping for image denoising.
Shoukui YaoYi ChangXiaojuan QinYaozong ZhangTianxu ZhangPublished in: J. Vis. Commun. Image Represent. (2018)
Keyphrases
- image denoising
- principal components
- natural images
- image patches
- denoising
- principal component analysis
- noisy images
- partial differential equations
- total variation
- image processing
- dimensionality reduction
- bilateral filtering
- wavelet domain
- additive gaussian noise
- wavelet coefficients
- principal component regression
- perceptual grouping
- wavelet domain hidden markov tree
- total variation regularization
- denoising methods
- covariance matrix
- anisotropic diffusion
- undecimated wavelet transform
- denoising algorithm
- computer vision
- multiscale
- nonlocal means
- mean shift
- grayscale images
- object recognition
- maximum likelihood