Image denoising using 2-D separable oversampled DFT modulated filter banks.
Peng-Lang ShuiPublished in: IET Image Process. (2009)
Keyphrases
- filter bank
- wavelet filter banks
- frequency domain
- wavelet domain
- subband
- directional information
- spatial domain
- perfect reconstruction
- discrete fourier transform
- lifting scheme
- image coding
- discrete cosine transform
- multiresolution
- wavelet transform
- denoising
- wavelet coefficients
- fourier transform
- wavelet decomposition
- synthesis filters
- multiscale
- discrete wavelet transform
- denoising algorithm
- image compression
- bit rate
- image coding scheme
- signal processing
- reconstruction error
- wavelet packet
- subband coding
- feature extraction
- feature vectors
- low pass
- image denoising
- computationally efficient
- wavelet filters
- high frequency
- finite impulse response
- image processing
- human visual system
- filter responses