A simplified lattice factorization for linear-phase paraunitary filter banks with pairwise mirror image frequency responses.
Lu GanKai-Kuang MaPublished in: IEEE Trans. Circuits Syst. II Express Briefs (2004)
Keyphrases
- filter bank
- image coding scheme
- multiscale
- linear filters
- perfect reconstruction
- subband
- image coding
- reconstruction error
- high pass
- multiresolution
- low frequency
- low pass
- wavelet decomposition
- wavelet filters
- signal processing
- frequency domain
- filter responses
- nonlinear filters
- fir filters
- computationally efficient
- image segmentation
- edge detection
- image data
- similarity measure
- finite impulse response
- wavelet packet
- discrete cosine transform
- contrast enhancement
- high frequency
- wavelet transform
- lifting scheme
- wavelet domain
- transform coefficients
- high resolution
- directional information
- frequency band
- image processing