Feature Denoising Using Joint Sparse Representation for In-Car Speech Recognition.
Weifeng LiYicong ZhouNorman PohFei ZhouQingmin LiaoPublished in: IEEE Signal Process. Lett. (2013)
Keyphrases
- speech recognition
- sparse representation
- denoising
- joint optimization
- dictionary learning
- sparse coding
- language model
- cepstral coefficients
- face recognition
- hidden markov models
- speech synthesis
- image classification
- compressive sensing
- automatic speech recognition
- speech signal
- pattern recognition
- compressed sensing
- image features
- image denoising
- image patches
- high dimensional data
- image representation
- noisy images
- natural images
- speech recognition technology
- total variation
- speaker identification
- speech recognizer
- dimensionality reduction
- noisy environments
- image processing
- data analysis
- feature vectors
- multiscale
- similarity measure
- frequency domain
- speaker independent