Spectral broadening of ophthalmic arterial Doppler signals using STFT and wavelet transform.
Elif Derya ÜbeyliInan GülerPublished in: Comput. Biol. Medicine (2004)
Keyphrases
- short time fourier transform
- wavelet transform
- signal processing
- multiresolution
- image coding
- spectral analysis
- subband
- multiscale
- fast fourier transform
- image compression
- wavelet analysis
- power quality disturbance
- frequency domain
- high frequency
- wavelet domain
- frequency spectrum
- translation invariant
- wavelet coefficients
- multiresolution analysis
- received signal
- soft threshold
- vibration signal
- blood pressure
- feature extraction
- discrete wavelet transform
- low frequency
- blood flow
- multi resolution analysis
- image segmentation
- image processing
- image fusion algorithm
- spectral features
- carotid artery
- lifting scheme