A Spectral Analyzer Based on Dual Coprime DFT Filter Banks and Sub-Decimation.
Xueyan ZhangLibin QuZhangkai LuoPublished in: IEICE Trans. Commun. (2022)
Keyphrases
- filter bank
- frequency domain
- spectral analysis
- image coding
- subband
- discrete cosine transform
- discrete fourier transform
- multiresolution
- perfect reconstruction
- fourier transform
- signal processing
- spatial domain
- multiscale
- low pass
- wavelet packet
- image coding scheme
- computationally efficient
- wavelet filters
- coding gain
- subband coding
- denoising
- reconstruction error
- low frequency
- infinite impulse response
- feature extraction
- lifting scheme
- multiscale decomposition
- wavelet domain
- neural network
- wavelet coefficients
- image data
- computer vision