Orthogonal Greedy MUSIC: An Empirical Algorithm for Joint Sparse Recovery.
Xinpeng DuRuihua LiangLizhi ChengFang SuPublished in: Circuits Syst. Signal Process. (2013)
Keyphrases
- preprocessing
- search space
- theoretical analysis
- recovery algorithm
- objective function
- optimal solution
- detection algorithm
- worst case
- greedy algorithms
- greedy heuristic
- recognition algorithm
- expectation maximization
- experimental evaluation
- learning algorithm
- k means
- convergence rate
- globally optimal
- improved algorithm
- dynamic programming
- times faster
- computationally efficient
- np hard
- high dimensional
- optimization algorithm
- computational complexity
- significant improvement
- data sets
- search algorithm
- locally optimal
- similarity measure
- sparse matrix