Fast iterative reweighted least squares algorithm for sparse signals recovery.
Xinyue ZhangXudong ZhangBin ZhouPublished in: DSP (2016)
Keyphrases
- reweighted least squares
- detection algorithm
- learning algorithm
- times faster
- k means
- theoretical analysis
- high dimensional
- tree structure
- dynamic programming
- experimental evaluation
- worst case
- recovery algorithm
- improved algorithm
- expectation maximization
- high accuracy
- np hard
- preprocessing
- computational complexity
- probabilistic model
- input data
- computational cost
- computationally efficient
- optimization algorithm
- significant improvement
- search space
- lower bound
- iterative process
- image segmentation