PCA using graph total variation.
Nauman ShahidNathanaël PerraudinVassilis KalofoliasBenjamin RicaudPierre VandergheynstPublished in: ICASSP (2016)
Keyphrases
- total variation
- image restoration
- image denoising
- denoising
- principal component analysis
- convex optimization
- minimization problems
- image deblurring
- augmented lagrangian
- total variation minimization
- regularization term
- weighted graph
- image processing
- dual formulation
- total variation regularization
- color image restoration
- regularization methods
- high dimensional
- blind deconvolution
- feature extraction
- dimensionality reduction
- natural images
- split bregman method
- operator splitting
- multiplicative noise removal
- mumford shah
- partial differential equations
- covariance matrix
- fidelity term
- cost function
- high resolution