Reduce the dimensions of emotional features by principal component analysis for speech emotion recognition.
Changqin QuanDongyu WanBin ZhangFuji RenPublished in: SII (2013)
Keyphrases
- speech emotion recognition
- principal component analysis
- feature space
- principal components
- benchmark datasets
- feature extraction
- feature set
- dimensionality reduction
- data sets
- key features
- structural information
- low level
- neural network
- co occurrence
- high dimensional data
- classification accuracy
- spatial information
- extracted features
- feature reduction