Nonlinear line echo cancellation using a simplified second order Volterra filter.
Fabian KuechWalter KellermannPublished in: ICASSP (2002)
Keyphrases
- linear filters
- step size
- hessian matrix
- natural images
- median filter
- locally adaptive
- least mean square
- nonlinear filters
- higher order
- noisy data
- fourier domain
- filter responses
- high order
- least squares
- order statistics
- line segments
- multiscale
- morphological filters
- difference equations
- image enhancement
- filter bank
- adaptive filtering
- pulse width
- zero crossing
- preprocessing step
- high frequency
- filtering algorithm
- piecewise linear
- line drawings
- wiener filter
- fourth order
- frequency domain
- level set
- wavelet transform
- optical flow