A new approach to reduced-rank DOA estimation based on joint iterative subspace optimization and grid search.
Lei WangRodrigo C. de LamarePublished in: DPS (2009)
Keyphrases
- grid search
- doa estimation
- cross validation
- random forest
- support vector machine
- hyperparameters
- random search
- parameter optimization
- generalization ability
- support vector regression
- model selection
- high dimensional
- optimization algorithm
- signal subspace
- gaussian process
- high dimensional data
- low dimensional
- principal component analysis
- bilevel programming
- genetic algorithm
- canonical correlation analysis
- probabilistic model
- feature extraction
- face recognition
- machine learning