Keyphrases
- orders of magnitude
- learning algorithm
- principal components
- times faster
- computationally efficient
- significant improvement
- feature space
- data structure
- feature extraction
- pattern recognition
- computational cost
- optimization problems
- data mining techniques
- theoretical analysis
- machine learning algorithms
- computer vision
- data mining algorithms
- computational efficiency
- computationally expensive
- covariance matrix
- artificial intelligence
- recently developed
- data sets