Multi-channel noise reduction using wavelet filter bank.
Jiri SikaVratislav DavidekPublished in: EUROSPEECH (1997)
Keyphrases
- noise reduction
- multi channel
- filter bank
- multiscale
- subband
- wavelet filters
- wavelet packet
- lifting scheme
- multiresolution
- wavelet transform
- perfect reconstruction
- edge detection
- low pass
- image coding
- wavelet coefficients
- denoising algorithm
- wavelet decomposition
- signal to noise ratio
- edge preserving
- single channel
- noise level
- signal processing
- frequency domain
- median filter
- wavelet domain
- discrete cosine transform
- wiener filter
- image processing
- denoising
- speckle noise
- computationally efficient
- high frequency
- discrete wavelet transform
- scale space
- image enhancement
- impulse noise
- image compression
- shift invariant
- vector valued
- pattern recognition
- image segmentation