Feature extraction and dimensionality reduction algorithms and their applications in vowel recognition.
Xuechuan WangKuldip K. PaliwalPublished in: Pattern Recognit. (2003)
Keyphrases
- feature extraction
- dimensionality reduction
- principal component analysis
- computationally efficient
- learning algorithm
- face recognition
- theoretical analysis
- pattern recognition
- times faster
- low dimensional
- frequency domain
- computational cost
- significant improvement
- feature vectors
- high dimensional
- feature space
- data structure
- dimension reduction
- neural network
- orders of magnitude
- principal components
- optimization problems
- text mining
- worst case
- semi supervised
- preprocessing
- image processing
- feature selection