Correction of 3D rigid body motion in fMRI time series by independent estimation of rotational and translational effects in k-space.
Mauro CostagliR. Allen WaggonerKenichi UenoKeiji TanakaKang ChengPublished in: NeuroImage (2009)
Keyphrases
- rigid body motion
- rigid motion
- motion parameters
- optical flow
- translational motion
- rigid body
- image sequences
- distortion correction
- closed form
- flow field
- conformal geometric algebra
- multivariate time series
- least squares
- optic flow
- dynamic time warping
- motion field
- point correspondences
- feature points
- motion estimation
- viewpoint