A mesh update requirement for hierarchical adaptive meshes in mesh-based motion tracking

Authors:
Alfred Yu;Wael Badawy
Affiliations:
The University of Calgary, Calgary, AB, Canada;The University of Calgary, Calgary, AB, Canada
Venue:
Proceedings of the 2002 ACM symposium on Applied computing
Year:
2002

Citing 2
Cited 0

Digital video processing

Digital video processing
Use of two-dimensional deformable mesh structures for video coding .I. The synthesis problem: mesh-based function approximation and mapping

IEEE Transactions on Circuits and Systems for Video Technology

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Abstract

This paper presents a mesh update requirement for hierarchical adaptive meshes in mesh-based motion tracking. The requirement states that since hierarchical adaptive meshes are constructed according to the video contents of a predicted frame, constructing a different mesh topology for each predicted frame is necessary in order to most accurately describe the video contents in a predicted frame. It has been statistically verified in the analysis section of this paper that if the requirement is not satisfied, the prediction quality would be lowered. The analysis is performed on different QCIF benchmark sequences.