Cell phone verification from speech recordings using sparse representation.
Ling ZouQianhua HeXiaohui FengPublished in: ICASSP (2015)
Keyphrases
- sparse representation
- spontaneous speech
- audio visual
- dictionary learning
- audio recordings
- sparse coding
- acoustic features
- image classification
- random projections
- speech signal
- speech recognition
- face recognition
- compressive sensing
- joint optimization
- signal processing
- automatic speech recognition
- spoken language
- reconstruction error
- image representation
- image patches
- regularized least squares
- high dimensional data
- negative matrix factorization
- piecewise smooth
- dimensionality reduction
- compressed sensing
- sparse approximations
- test images
- object tracking
- computer vision
- data mining
- object detection
- norm minimization
- sparse learning
- sparse coefficients
- neural network