Supraharmonic estimation by polyphase DFT filter bank.
Thais M. MendesDanton Diego FerreiraLeandro R. M. SilvaMahdi KhosravyJan MeyerCarlos Augusto DuquePublished in: Comput. Electr. Eng. (2021)
Keyphrases
- filter bank
- frequency domain
- image coding
- subband
- perfect reconstruction
- multiscale
- signal processing
- multiresolution
- discrete cosine transform
- subband coding
- computationally efficient
- spatial domain
- image compression
- fourier transform
- reconstruction error
- low pass
- wavelet packet
- power spectrum
- discrete fourier transform
- optimal filter
- wavelet transform
- feature extraction
- wavelet filters
- fir filters
- finite impulse response
- wavelet coefficients
- lifting scheme
- computer vision
- filter coefficients
- motion estimation
- filter responses
- image processing
- neural network