Joint Dynamic MRI Reconstruction and Aggregated Motion Estimation with Optical Flow Constraint.
Ningning ZhaoDaniel O'ConnorDan RuanAdrian BasarabPeng HuKe ShengPublished in: CoRR (2017)
Keyphrases
- optical flow
- motion estimation
- brightness constancy assumption
- optical flow estimation
- image sequences
- motion model
- smoothness constraint
- optical flow computation
- motion parameters
- multi frame
- motion segmentation
- least squares
- motion field
- high resolution
- motion vectors
- optical flow fields
- brightness constancy
- camera motion
- video coding
- image motion
- magnetic resonance imaging
- reference frame
- motion compensated
- medical images
- three dimensional
- video sequences
- dynamic environments
- computer vision
- image reconstruction
- flow field
- block matching
- feature tracking
- magnetic resonance images
- dense optical flow
- flow estimation
- computer tomography
- constraint equation
- frame interpolation
- optical flow algorithm
- moving objects
- phase correlation
- reconstruction process
- vector field
- mr images