Hierarchical neural networks feature extraction for LVCSR system.
Fabio ValenteJithendra VepaChristian PlahlChristian GollanHynek HermanskyRalf SchlüterPublished in: INTERSPEECH (2007)
Keyphrases
- neural network
- feature extraction
- pattern recognition
- pattern classification
- multi layer
- dimension reduction
- image classification
- preprocessing
- back propagation
- fuzzy logic
- hierarchical model
- coarse to fine
- feature vectors
- image processing
- wavelet transform
- artificial neural networks
- feed forward
- dimensionality reduction
- unsupervised learning
- self organizing maps
- hierarchical structure
- face recognition
- neural network model
- neural nets
- linear feature extraction
- support vector machine svm
- image preprocessing
- hierarchical clustering
- discriminant analysis
- feature set
- multiresolution
- feature selection