MAGMA: Multilevel Accelerated Gradient Mirror Descent Algorithm for Large-Scale Convex Composite Minimization.
Vahan HovhannisyanPanos ParpasStefanos ZafeiriouPublished in: SIAM J. Imaging Sci. (2016)
Keyphrases
- objective function
- detection algorithm
- experimental evaluation
- expectation maximization
- dynamic programming
- np hard
- times faster
- matching algorithm
- k means
- globally optimal
- search space
- search algorithm
- recognition algorithm
- high accuracy
- optimization algorithm
- geometric interpretation
- worst case
- convergence rate
- regularization term
- energy function
- segmentation algorithm
- particle swarm optimization
- linear programming
- learning algorithm
- computational cost
- cost function
- significant improvement
- computational complexity
- video sequences
- optimal solution
- similarity measure
- image processing