An Optical Flow Based Left-Invariant Metric for Natural Gradient Descent in Affine Image Registration.
Daniel Jacob TwardPublished in: Frontiers Appl. Math. Stat. (2021)
Keyphrases
- image registration
- optical flow
- affine transformation
- mutual information
- coarse to fine
- image sequences
- medical imaging
- computer vision
- affine invariant
- image analysis
- image matching
- lie group
- vector field
- optical flow estimation
- image processing
- camera motion
- motion model
- distance measure
- metric space
- motion segmentation
- loss function
- motion estimation
- moving objects
- flow field
- feature matching
- euclidean distance
- multiscale
- smoothness constraint