Speech Recognition Using Sparse Discrete Wavelet Decomposition Feature Extraction.
Jingzhao DaiVinith VijayarajanXuan PengLi TanJean JiangPublished in: EIT (2018)
Keyphrases
- wavelet decomposition
- wavelet transform
- feature extraction
- feature vectors
- multiresolution
- subband
- multiscale
- texture feature extraction
- wavelet domain
- wavelet coefficients
- signal analysis
- high frequency
- speech recognition
- wavelet transformation
- texture characterization
- image compression
- wavelet packet
- feature space
- speech signal
- feature selection
- texture image retrieval
- sar images
- frequency domain
- face recognition
- texture analysis
- feature set
- wavelet representation
- discrete wavelet transform
- filter bank
- image classification
- pattern recognition
- texture features
- texture classification
- gabor wavelets
- empirical mode decomposition
- denoising
- residual image
- machine learning