Time-Frequency Cepstral Features and Heteroscedastic Linear Discriminant Analysis for Language Recognition.
Weiqiang ZhangLiang HeYan DengJia LiuMichael T. JohnsonPublished in: IEEE Trans. Speech Audio Process. (2011)
Keyphrases
- linear discriminant analysis
- feature extraction
- cepstral features
- face recognition
- discriminant analysis
- dimensionality reduction
- recognition rate
- principal component analysis
- dimension reduction
- recognition accuracy
- discriminant features
- small sample size
- pattern recognition
- support vector machine svm
- feature space
- null space
- high dimensional data
- discriminative information
- object recognition
- linear discriminant
- fisher criterion
- subspace methods
- signal processing
- support vector
- feature selection
- face images
- low dimensional
- feature set
- class separability
- least squares
- feature vectors
- machine learning