Tree-Based tracking of temporal image

Authors:
Tomoya Sakai;Atsushi Imiya;Heitoh Zen
Affiliations:
Institute of Media and Information Technology, Chiba University, Chiba, Japan;Institute of Media and Information Technology, Chiba University, Chiba, Japan;Institute of Media and Information Technology, Chiba University, Chiba, Japan
Venue:
GbRPR'05 Proceedings of the 5th IAPR international conference on Graph-Based Representations in Pattern Recognition
Year:
2005

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Abstract

This paper introduces a tree-based algorithm for the motion tracking of dominant parts in a temporal image sequence. A tree allows us to express hierarchical relations of segments in an image. We first develop a fast tree matching algorithm which is suitable for matching of images. Second, employing the linear-scale-space analysis, we develop an algorithm to extract hierarchical relations of temporal images as a tree. Combining tree matching and tree extraction provides a method to extract moving dominant parts in a sequence of temporal images.