Hierarchical Classification of Speaker and Background Noise and Estimation of SNR Using Sparse Representation.
K. V. Vijay GirishA. G. RamakrishnanT. V. AnanthapadmanabhaPublished in: INTERSPEECH (2016)
Keyphrases
- sparse representation
- hierarchical classification
- background noise
- dictionary learning
- sparse coding
- hierarchical structure
- low contrast
- signal to noise ratio
- compressive sensing
- image classification
- image patches
- noisy environments
- signal processing
- face recognition
- classification algorithm
- speech enhancement
- speech signal
- text classification
- noise reduction
- speech recognition
- dimensionality reduction
- adaptive filtering
- feature selection
- high dimensional data
- automatic speech recognition
- audio visual
- multiscale
- natural images
- high dimensional