NMR signal enhancement via a new time-frequency transform.
Osama A. AhmedMoustafa M. FahmyPublished in: ICASSP (2000)
Keyphrases
- signal processing
- signal analysis
- original signal
- frequency domain
- short time fourier transform
- image processing
- wavelet packet
- perfect reconstruction
- fast fourier transform
- fourier analysis
- wavelet transform
- hilbert transform
- residual signal
- multiresolution
- directional filtering
- filter bank
- image enhancement
- linear transform
- denoising
- fourier transform
- transform coefficients
- non stationary
- hard thresholding
- nmr spectra
- nuclear magnetic resonance
- subband
- impulse response
- steerable filters
- signal detection
- energy compaction
- high frequency
- pattern recognition
- high pass
- empirical mode decomposition
- wavelet analysis
- measured data
- low pass
- spatial domain
- image coding
- instantaneous frequency
- image analysis