Source cell phone verification from speech recordings using sparse representation.
Ling ZouQianhua HeJunfeng WuPublished in: Digit. Signal Process. (2017)
Keyphrases
- sparse representation
- dictionary learning
- spontaneous speech
- audio visual
- sparse coding
- face recognition
- image classification
- reconstruction error
- speech recognition
- signal processing
- compressed sensing
- object tracking
- acoustic features
- compressive sensing
- joint optimization
- image patches
- random projections
- audio recordings
- high dimensional data
- negative matrix factorization
- automatic speech recognition
- piecewise smooth
- regularized least squares
- sparse approximations
- image representation
- speech signal
- test images
- sparse reconstruction
- data analysis
- pattern recognition