Multichannel voice activity detection with spherically invariant sparse distributions.
Bowon LeeTon KalkerPublished in: WASPAA (2009)
Keyphrases
- voice activity detection
- signal reconstruction
- noisy environments
- speech recognition
- sparse representation
- compressive sensing
- affine transformation
- high dimensional
- probability distribution
- compressed sensing
- multi channel
- sparse data
- random projections
- invariant features
- affine invariant
- random variables
- data sets
- sparse coding
- gaussian mixture model
- power law
- kullback leibler divergence
- image reconstruction
- canonical correlation analysis
- image registration
- similarity measure
- information retrieval