Polyphase decompositions and shift-invariant discrete wavelet transforms in the frequency domain.
Alle Meije WinkJos B. T. M. RoerdinkPublished in: Signal Process. (2010)
Keyphrases
- shift invariant
- frequency domain
- power spectrum
- wavelet domain
- spatial domain
- filter bank
- subband
- wavelet coefficients
- discrete wavelet transform
- fourier transform
- blurred images
- denoising
- low frequency
- rotation invariant
- wavelet transform
- multiresolution
- feature extraction
- sparse coding
- image compression
- edge preserving
- high frequency
- feature vectors
- natural images
- adaptive filter
- image denoising
- computational complexity
- video sequences
- multiscale