Locality oriented feature extraction for small training datasets using non-negative matrix factorization.
Khoa Dang DangThai Hoang LePublished in: Vietnam. J. Comput. Sci. (2014)
Keyphrases
- training dataset
- feature extraction
- wavelet transform
- training set
- class labels
- frequency domain
- dimensionality reduction
- face recognition
- feature vectors
- texture analysis
- small number
- feature space
- extracting features
- image processing
- feature representation
- defect detection
- data sets
- image preprocessing
- dimension reduction
- discriminant analysis
- face images
- preprocessing
- training data
- feature selection
- neural network