Sparsity-based Blind Deconvolution of Neural Activation Signal in FMRI.
Hamza CherkaouiThomas MoreauAbderrahim HalimiPhilippe CiuciuPublished in: ICASSP (2019)
Keyphrases
- blind deconvolution
- activation detection
- functional mri
- activation patterns
- total variation
- point spread function
- image deblurring
- high dimensional
- brain activity
- functional magnetic resonance imaging
- additive noise
- bayesian framework
- sparse representation
- frequency domain
- image restoration
- map estimation
- multi frame
- blurred images
- human brain
- noise reduction
- functional connectivity
- spatial domain
- image quality
- brain regions
- wavelet transform
- probabilistic model
- feature extraction