Motion estimation by affine transforms based on codirectionality of movements.
Majid MohrekeshShadrokh SamaviNader KarimiShahram ShiraniParisa BehnamfarPublished in: CCECE (2009)
Keyphrases
- motion estimation
- video coding
- motion compensated
- optical flow
- motion vectors
- motion compensation
- spatial domain
- inter frame
- affine transformation
- motion model
- image sequences
- motion field
- computational complexity
- rate distortion
- piecewise affine
- motion segmentation
- motion parameters
- reference frame
- video sequences
- video compression
- image sequence coding
- block matching
- computer vision
- cardiac motion estimation
- affine invariant
- super resolution
- image registration
- motion estimator
- optical flow estimation
- affine motion
- robust motion estimation
- motion detection
- coding efficiency
- fourier transform
- geometric transformations
- discrete fourier transform
- search range
- weak perspective
- variable block size
- coding scheme