Investigation of unsupervised adaptation of DNN acoustic models with filter bank input.
Takuya YoshiokaAnton RagniMark J. F. GalesPublished in: ICASSP (2014)
Keyphrases
- filter bank
- image coding
- subband
- perfect reconstruction
- multiscale
- multiresolution
- wavelet packet
- signal processing
- frequency domain
- unsupervised learning
- semi supervised
- acoustic models
- speech recognition
- supervised learning
- reconstruction error
- lifting scheme
- machine learning
- denoising
- computationally efficient
- image retrieval
- training process
- pattern recognition
- bayesian networks
- image sequences
- image denoising
- multimedia
- neural network