A Fast Gradient-Based Iterative Algorithm for Undersampled Phase Retrieval.
Qiang LiLei HuangPeichang ZhangWei LiuWeize SunPublished in: IEEE Trans. Aerosp. Electron. Syst. (2018)
Keyphrases
- times faster
- optimization algorithm
- dynamic programming
- significant improvement
- learning algorithm
- high accuracy
- iterative optimization
- selection algorithm
- detection algorithm
- cost function
- computational complexity
- k means
- search space
- learning phase
- computationally efficient
- objective function
- improved algorithm
- np hard
- experimental evaluation
- preprocessing
- iterative process
- theoretical analysis
- feedback loop
- matching algorithm
- preprocessing phase
- expectation maximization
- convergence rate
- image reconstruction
- tree structure
- information retrieval systems
- image database
- video sequences
- bayesian networks
- image segmentation