Acoustic Feature Transformation Based on Discriminant Analysis Preserving Local Structure for Speech Recognition.
Makoto SakaiNorihide KitaokaKazuya TakedaPublished in: IEICE Trans. Inf. Syst. (2010)
Keyphrases
- speech recognition
- discriminant analysis
- speaker identification
- feature transformation
- speech recognition systems
- speaker independent
- feature extraction
- kernel principal component analysis
- noisy environments
- linear discriminant analysis
- face recognition
- hidden markov models
- language model
- principal component analysis
- pattern recognition
- gabor wavelets
- automatic speech recognition
- speech signal
- probabilistic model
- machine learning
- feature selection
- computer vision
- data sets