Optical flow based deformable volume registration using a novel second-order regularization prior.
Sasa GrbicMartin UrschlerThomas PockHorst BischofPublished in: Medical Imaging: Image Processing (2010)
Keyphrases
- optical flow
- deformable shapes
- prior information
- image registration
- point cloud
- optical flow estimation
- image volumes
- prior knowledge
- flow field
- flow estimation
- higher order
- optical flow computation
- image sequences
- motion estimation
- computer vision
- variational framework
- d scene
- moving objects
- organ motion
- motion model
- deformable models
- qualitative and quantitative evaluation
- motion segmentation
- motion parameters
- rigid motion
- cross correlation
- image pairs
- feature tracking
- regularization parameter
- motion field
- shape model
- least squares
- image processing
- image alignment
- velocity field
- variational methods
- regularization term
- affine transformation
- mutual information
- atlas based segmentation
- multiscale