Sensing Fractional Power Spectrum of Nonstationary Signals with Coprime Filter Banks.
Xiaomin LiHuali WangWanghan LvHaichao LuoPublished in: Complex. (2020)
Keyphrases
- non stationary
- power spectrum
- filter bank
- frequency domain
- signal noise ratio
- input signals
- continuous wavelet transform
- signal processing
- subband
- image coding
- blind source separation
- fourier transform
- high order statistics
- natural images
- spatial domain
- perfect reconstruction
- low pass
- random fields
- autoregressive
- multiscale
- multiresolution
- denoising
- instantaneous frequency
- wavelet packet
- feature extraction
- lifting scheme
- density function
- bit rate
- image processing
- computer vision
- image compression
- wavelet coefficients
- object recognition
- wavelet filters
- independent component analysis
- wavelet transform
- probability distribution
- wavelet domain