Periodicity-Aware Signal Denoising Using Capon-Optimized Ramanujan Filter Banks and Pruned Ramanujan Dictionaries.
Pranav KulkarniP. P. VaidyanathanPublished in: IEEE Trans. Signal Process. (2023)
Keyphrases
- filter bank
- wavelet packet
- denoising
- frequency domain
- perfect reconstruction
- signal processing
- image coding
- subband
- synthesis filters
- multiscale
- multiresolution
- image processing
- input signals
- low pass
- spatial domain
- denoising methods
- wavelet function
- vector valued
- noisy images
- natural images
- lifting scheme
- reconstruction error
- fourier transform
- filter coefficients
- image denoising
- wavelet transform
- sparse representation
- denoising algorithm
- discrete cosine transform
- wavelet decomposition
- finite impulse response
- wavelet domain
- high frequency
- low frequency
- impulse response
- image compression
- fir filters
- wavelet bases
- image patches
- quadrature mirror