NMR Signal Enhancement Via a New Time-Frequency Transform.
Osama A. AhmedMoustafa M. FahmyPublished in: IEEE Trans. Medical Imaging (2001)
Keyphrases
- signal processing
- frequency domain
- original signal
- signal analysis
- short time fourier transform
- wavelet packet
- directional filtering
- image processing
- fast fourier transform
- image enhancement
- fourier transform
- high frequency
- hilbert transform
- transform coefficients
- energy compaction
- linear transform
- nmr spectra
- wavelet transform
- image analysis
- nuclear magnetic resonance
- instantaneous frequency
- residual signal
- laplacian pyramid
- fourier analysis
- perfect reconstruction
- filter bank
- non stationary
- multiresolution
- high pass
- discrete fourier transform
- wavelet analysis
- basis functions
- image compression