An Undersampled Phase Retrieval Algorithm via Gradient Iteration.
Qiang LiWei LiuLei HuangWeize SunPeichang ZhangPublished in: SAM (2018)
Keyphrases
- learning algorithm
- objective function
- optimal solution
- experimental evaluation
- preprocessing
- particle swarm optimization
- detection algorithm
- dynamic programming
- cost function
- significant improvement
- k means
- times faster
- clustering method
- segmentation algorithm
- matching algorithm
- energy function
- image gradient
- input data
- simulated annealing
- worst case
- search space
- computational complexity
- search engine
- query expansion
- computationally efficient
- theoretical analysis
- information retrieval
- relevance feedback
- segmentation method
- improved algorithm
- iterative algorithms
- retrieval framework