Keyphrases
- kernel principal component analysis
- active learning
- defect prediction
- kernel pca
- discriminant analysis
- kernel function
- principal components
- preprocessing
- principal component analysis
- software repositories
- feature extraction
- face recognition
- kernel methods
- semi supervised
- classification method
- linear discriminant analysis
- feature space
- supervised learning
- kernel matrix
- computer vision
- gabor wavelets
- address these issues
- software projects
- pattern recognition
- learning algorithm
- training examples
- source code
- feature vectors