Digital Image Processing
Lucas-Kanade 20 Years On: A Unifying Framework
International Journal of Computer Vision
A fast approach for geometry-adaptive block partitioning
PCS'09 Proceedings of the 27th conference on Picture Coding Symposium
Video coding focusing on block partitioning and occlusion
IEEE Transactions on Image Processing
Motion compensation using geometry and an elastic motion model
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Efficiency improvements for a geometric-partition-based video coder
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Image sequence coding using multiple-level segmentation and affine motion estimation
IEEE Journal on Selected Areas in Communications
Fast parametric elastic image registration
IEEE Transactions on Image Processing
Rate-constrained coder control and comparison of video coding standards
IEEE Transactions on Circuits and Systems for Video Technology
Affine Motion Prediction Based on Translational Motion Vectors
IEEE Transactions on Circuits and Systems for Video Technology
Video Coding Using Elastic Motion Model and Larger Blocks
IEEE Transactions on Circuits and Systems for Video Technology
Motion compensation based on spatial transformations
IEEE Transactions on Circuits and Systems for Video Technology
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Effective motion-compensated prediction is the key to high-performance video coding. To ensure continuous improvement of video coders, emerging motion-compensation technologies will need to be successfully integrated into future standards. Higher order elastic motion models and geometry-adaptive block partitioning are such advanced techniques that are good candidates for integration into future generations of video coders. However, it is vital that these techniques are additive in performance, non-interfering and maintain justifiable complexity. In this paper, we propose an efficient block-partitioning scheme that incorporates both geometry-adaptive partitioning and an elastic motion model as extensions to the standard motion estimation procedure. Our experiments suggest that geometric partitioning in combination with the use of an elastic motion model can provide enhanced performance, although the increased complexity is of some concern for real-time applications.