FFT-based frequency domain filter design for multichannel overlap-windowed-DFTs-OFDM signals.
Motoki IshibashiMasahiro UmehiraXiaoyan WangShigeki TakedaPublished in: VTC Spring (2021)
Keyphrases
- frequency domain
- discrete fourier transform
- filter design
- fourier transform
- single channel
- low pass
- fast fourier transform
- spatial domain
- fir filters
- low frequency
- fourier domain
- denoising
- power spectrum
- image restoration
- subband
- nonlinear filters
- image enhancement
- feature extraction
- radon transform
- filter bank
- transform domain
- multi channel
- low pass filter
- log polar
- wavelet decomposition
- gray level
- image compression
- pattern recognition
- multiscale
- image processing