Self-adaptive sampling rate assignment and image reconstruction via combination of structured sparsity and non-local total variation priors.
Jiawei ChenXiaohua ZhangHongyun MengPublished in: Digit. Signal Process. (2014)
Keyphrases
- image reconstruction
- sampling rate
- regularization methods
- total variation
- structured sparsity
- inverse problems
- image restoration
- super resolution
- maximum a posteriori
- denoising
- edge preserving
- image denoising
- regularization term
- convex optimization
- group lasso
- map estimation
- global optimization
- regularization method
- image processing
- compressive sensing
- random projections
- limited angle
- high quality
- regularization parameter
- frame rate
- learning problems
- model selection
- natural images
- higher order
- motion estimation