Total variation reconstruction for compressive sensing using nonlocal Lagrangian multiplier.
Chien Van TrinhKhanh Quoc DinhViet Anh NguyenByeungwoo JeonPublished in: EUSIPCO (2014)
Keyphrases
- compressive sensing
- total variation
- image denoising
- denoising
- image restoration
- alternating minimization
- dual formulation
- image recovery
- random projections
- convex optimization
- sparse representation
- image processing
- signal processing
- regularization term
- natural images
- image representation
- augmented lagrangian
- noisy images
- regularization methods
- partial differential equations
- wavelet coefficients
- compressed sensing
- interior point methods
- structured sparsity
- gaussian noise
- regularization parameter
- markov random field
- frequency domain
- image compression