Recognition of subsampled speech using a modified Mel filter bank.
Sunil Kumar KopparapuKiran Kumar BhuvanagiriPublished in: Comput. Electr. Eng. (2013)
Keyphrases
- filter bank
- subband
- image coding
- cepstral coefficients
- speech recognition
- multiresolution
- perfect reconstruction
- multiscale
- wavelet decomposition
- signal processing
- computationally efficient
- wavelet packet
- subband coding
- speech signal
- linear prediction
- low pass
- object recognition
- frequency domain
- pattern recognition
- reconstruction error
- recognition algorithm
- wavelet transform
- discrete cosine transform
- feature extraction
- contourlet transform
- wavelet filters
- noisy images
- steerable pyramid
- lifting scheme
- wavelet domain
- image compression
- language model
- feature set
- maximum likelihood
- optimal filter
- feature vectors
- computational complexity
- iir filters