Joint Denoising and Dereverberation Using Exemplar-Based Sparse Representations and Decaying Norm Constraint.
Deepak BabyHugo Van hammePublished in: IEEE ACM Trans. Audio Speech Lang. Process. (2017)
Keyphrases
- sparse representation
- denoising
- norm regularization
- total variation
- joint optimization
- regularized least squares
- norm minimization
- dictionary learning
- sparse coding
- image denoising
- natural images
- sparsity constraints
- sparse learning
- convex optimization
- image classification
- signal processing
- regularization methods
- compressive sensing
- image patches
- image processing
- face recognition
- noisy images
- reconstruction error
- negative matrix factorization
- random projections
- compressed sensing
- image representation
- high dimensional data
- dimensionality reduction
- gaussian noise
- loss function
- image restoration
- sparse reconstruction
- image deblurring
- generative model
- multiscale
- sparse coefficients