Image sequence segmentation via heuristic texture analysis and region tracking

Yih-Haw Jan; David W. Lin

doi:10.1117/12.453097

4 January 2002 Image sequence segmentation via heuristic texture analysis and region tracking

Yih-Haw Jan, David W. Lin

Proceedings Volume 4671, Visual Communications and Image Processing 2002; (2002) https://doi.org/10.1117/12.453097
Event: Electronic Imaging, 2002, San Jose, California, United States

Abstract

We develop a method for automatic segmentation of natural video sequences. The method is based on low-level spatial and temporal analyses. It features three designs to help facilitate good region segmentation while keeping the computational complexity at a reasonable level. Firstly, a preliminary seed-area identification and a final re-segmentation process are performed on each video frame to help region tracking. Secondly, a simple way to measure homogeneity of texture in a region is devised and the segmentation tries to locate object boundaries at where the texture shows significant changes. And thirdly, a reduced-complexity motion estimation technique is used, so that dense motion fields can be computed at a reasonable complexity. The overall method is organized into four tasks, namely, seed-area identification (for each frame), initial segmentation (only for the first frame in the sequence), motion-based segmentation (for all later frames), and region tracking and updating (also for all later frames). Some examples are provided to illustrate the performance of this method.

Citation Download Citation

Yih-Haw Jan and David W. Lin "Image sequence segmentation via heuristic texture analysis and region tracking", Proc. SPIE 4671, Visual Communications and Image Processing 2002, (4 January 2002); https://doi.org/10.1117/12.453097

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