Multi-scale UDCT dictionary learning based highly undersampled MR image reconstruction using patch-based constraint splitting augmented Lagrangian shrinkage algorithm.
Min YuanBingxin YangYide MaJiuwen ZhangFuxiang LuTongfeng ZhangPublished in: Frontiers Inf. Technol. Electron. Eng. (2015)
Keyphrases
- image reconstruction
- image super resolution
- dictionary learning
- augmented lagrangian
- optimal solution
- linear programming
- super resolution
- multiscale
- cost function
- computational complexity
- particle swarm optimization
- edge detection
- loss function
- expectation maximization
- medical images
- image sequences
- probabilistic model
- high resolution
- video sequences
- objective function
- feature extraction