A directional and shift-invariant transform based on M-channel rational-valued cosine-sine modulated filter banks.
Seisuke KyochiTaizo SuzukiYuichi TanakaPublished in: APSIPA (2012)
Keyphrases
- shift invariant
- filter bank
- subband
- dual tree
- wavelet coefficients
- wavelet domain
- discrete wavelet transform
- wavelet filters
- feature vectors
- multiresolution
- image coding
- directional information
- multiscale
- wavelet transform
- perfect reconstruction
- wavelet packet
- rotation invariant
- image compression
- frequency domain
- wavelet decomposition
- sparse coding
- bit rate
- high frequency
- low pass
- low frequency
- discrete cosine transform
- edge preserving
- signal processing
- denoising
- spatial domain
- image denoising
- natural images
- blurred images
- unsupervised learning
- image restoration
- computationally efficient