Lower Bounds on the Total Variation Distance Between Mixtures of Two Gaussians.
Sami DaviesArya MazumdarSoumyabrata PalCyrus RashtchianPublished in: ALT (2022)
Keyphrases
- total variation
- lower bound
- denoising
- image restoration
- image denoising
- mixture model
- gaussian mixture
- convex optimization
- minimization problems
- total variation minimization
- image deblurring
- blind deconvolution
- color image restoration
- image processing
- augmented lagrangian
- distance measure
- regularization term
- total variation regularization
- regularization methods
- dual formulation
- objective function
- linear combination
- natural images
- fidelity term
- operator splitting
- gaussian mixture model
- np hard
- kullback leibler divergence
- edge preserving
- cost function
- optimal solution
- alternating direction method of multipliers