A robust frontend for ASR: Combining denoising, noise masking and feature normalization.
Maarten Van SegbroeckShrikanth S. NarayananPublished in: ICASSP (2013)
Keyphrases
- denoising
- noisy environments
- image noise
- gaussian noise
- additive gaussian noise
- denoising algorithm
- noise removal
- denoising methods
- image denoising
- noisy images
- spatially adaptive
- estimation error
- image processing
- total variation
- greater robustness
- preprocessing
- wavelet shrinkage
- wavelet domain
- geometric distortions
- noisy data
- natural images
- feature set
- additive noise
- computationally efficient
- noise model
- feature descriptors
- imaging artifacts
- salt pepper
- automatic speech recognition
- noise level
- noise reduction
- signal to noise ratio
- filter bank
- speech recognition
- image features
- multiscale