Spectral Smoothing by Variationalmode Decomposition and its Effect on Noise and Pitch Robustness of ASR System.
Ishwar Chandra YadavSyed ShahnawazuddinD. GovindGayadhar PradhanPublished in: ICASSP (2018)
Keyphrases
- greater robustness
- noise removal
- noisy environments
- noise level
- noise reduction
- random noise
- filtering method
- noisy data
- automatic speech recognition
- noise model
- image noise
- decomposition method
- smoothing algorithm
- short time fourier transform
- pattern recognition
- filtering process
- hyperspectral imagery
- salt pepper
- power spectrum
- spectral analysis
- signal to noise ratio
- speech recognition
- missing data
- image restoration