Fractional-order total variation combined with sparsifying transforms for compressive sensing sparse image reconstruction.
Gao ChenJiashu ZhangDefang LiPublished in: J. Vis. Commun. Image Represent. (2016)
Keyphrases
- total variation
- compressive sensing
- image reconstruction
- compressed sensing
- random projections
- signal reconstruction
- image restoration
- denoising
- super resolution
- sparse representation
- image denoising
- convex optimization
- image processing
- regularization term
- inverse problems
- signal processing
- natural images
- radon transform
- regularization methods
- dimension reduction
- high resolution
- noisy images
- dimensionality reduction
- high quality
- high order
- noise removal
- edge preserving
- partial differential equations
- frequency domain
- markov random field
- image sequences