Keyphrases
- optimization problems
- computationally efficient
- real time
- computational cost
- benchmark datasets
- learning algorithm
- computer vision
- image segmentation
- graph theory
- recently developed
- times faster
- computational efficiency
- theoretical guarantees
- nonnegative matrix factorization
- sparse coding
- theoretical analysis
- graphical models
- principal component analysis
- least squares
- significant improvement
- computational complexity
- data structure
- neural network
- data sets