Improved k-t PCA Algorithm Using Artificial Sparsity in Dynamic MRI.
Yiran WangZhifeng ChenJing WangLixia YuanLing XiaFeng LiuPublished in: Comput. Math. Methods Medicine (2017)
Keyphrases
- improved algorithm
- learning algorithm
- cost function
- k means
- dynamic programming
- optimization algorithm
- experimental evaluation
- search space
- optimal solution
- preprocessing
- detection algorithm
- segmentation algorithm
- expectation maximization
- neural network
- np hard
- recognition algorithm
- worst case
- principal component analysis
- convergence rate
- times faster
- particle swarm optimization
- computational complexity
- feature extraction
- method for face recognition
- magnetic resonance images
- simulated annealing
- high accuracy
- probabilistic model
- computational cost
- high dimensional
- similarity measure