Optimization of rs-fMRI Pre-processing for Enhanced Signal-Noise Separation, Test-Retest Reliability, and Group Discrimination.
William R. ShirerHeidi JiangCollin M. PriceBernard NgMichael D. GreiciusPublished in: NeuroImage (2015)
Keyphrases
- preprocessing
- random noise
- additive noise
- activation detection
- white noise
- optimization algorithm
- noise level
- low signal to noise ratio
- high frequency
- optimization problems
- low frequency
- low snr
- noisy environments
- noise reduction
- signal detection
- source signals
- wide band
- impulse response
- data analysis
- received signal
- power spectrum
- biomedical signals
- signal processing
- signal to noise ratio
- frequency domain
- noise removal
- denoising methods
- joint optimization
- non stationary
- response function
- noisy data
- feature extraction
- short time fourier transform
- post processing
- test cases
- independent component analysis
- noise variance
- single channel
- human brain
- wiener filter
- nonlinear filters
- gaussian noise
- functional magnetic resonance imaging
- post test