Negentropy based voice-activity detection for noise estimation in very low SNR condition.
Rajkishore PrasadHiroshi SaruwatariKiyohiro ShikanoPublished in: IEICE Electron. Express (2004)
Keyphrases
- low snr
- noise estimation
- voice activity detection
- noise model
- noise level
- noisy images
- noisy environments
- denoising
- noise reduction
- speech recognition
- wyner ziv video coding
- edge detection
- additive noise
- denoising algorithm
- low signal to noise ratio
- gaussian noise
- genetic algorithm
- probability distribution
- multiscale
- image processing