DCT-compressive sampling of multifrequency sparse audio signals.
R. G. Moreno-AlvaradoMauricio Martínez-GarcíaMariko NakanoHéctor M. Pérez MeanaPublished in: LATINCOM (2014)
Keyphrases
- audio signals
- compressive sampling
- compressive sensing
- compressed sensing
- transform domain
- random projections
- image reconstruction
- orthogonal matching pursuit
- sparse representation
- hidden markov models
- image compression
- spatial domain
- image representation
- signal processing
- principal component analysis
- speaker identification
- pattern recognition
- feature selection
- multiresolution
- high dimensional
- computational complexity