Sparse decomposition of mixed audio signals by basis pursuit with autoregressive models.
Youngmin ChoLawrence K. SaulPublished in: ICASSP (2009)
Keyphrases
- basis pursuit
- audio signals
- autoregressive model
- denoising
- wavelet domain
- compressed sensing
- convex optimization
- total variation
- image denoising
- hidden markov models
- natural images
- image reconstruction
- audio signal
- autoregressive
- wavelet analysis
- sparse representation
- wavelet decomposition
- image processing
- random projections
- discrete wavelet transform
- speaker identification
- speech recognition
- signal processing
- pattern recognition