The hemodynamic signal as a first-order low-pass temporal filter: Evidence and implications for neuroimaging studies.
Antoine SauvageGuillaume HubertJonathan TouboulJérôme RibotPublished in: NeuroImage (2017)
Keyphrases
- high pass
- low pass
- bandpass
- nonlinear filters
- high frequency
- frequency domain
- perfect reconstruction
- subband
- filter design
- frequency response
- low frequency
- filter bank
- gaussian filter
- wavelet decomposition
- wavelet transform
- functional magnetic resonance imaging
- image fusion
- discrete wavelet transform
- contrast enhancement
- filter responses
- impulse response
- low pass filter
- multiresolution
- signal processing
- edge information
- finite impulse response
- frequency band
- wavelet coefficients
- color images
- feature extraction
- infinite impulse response