A semisoft thresholding method based on Teager energy operation on wavelet packet coefficients for enhancing noisy speech.
Tahsina Farah SanamCelia ShahnazPublished in: EURASIP J. Audio Speech Music. Process. (2013)
Keyphrases
- wavelet packet
- thresholding method
- denoising
- filter bank
- gray level
- wavelet packet transform
- motion detection
- subband
- wavelet transform
- quadtree
- wavelet decomposition
- multiscale
- multiresolution
- image compression
- frequency band
- non stationary
- wavelet coefficients
- optimization procedure
- image representation
- speech recognition
- image classification
- data structure
- objective function