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Edge-Based Morphological Processing for Efficient and Accurate Video Object Extraction
Yih-Haw JAN David W. LIN
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/02/01
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Image Recognition, Computer Vision
alpha plane, automatic video segmentation, MPEG-4, object extraction,
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We consider the edge-linking approach for accurate locating of moving object boundaries in video segmentation. We review the existing methods and propose a scheme designed for efficiency and better accuracy. The scheme first obtains a very rough outline of an object by a suitable means, e.g., change detection. It then forms a relatively compact image region that properly contains the object, through a procedure termed "mask sketch." Finally, the outermost edges in the region are found and linked via a shortest-path algorithm. Experiments show that the scheme yields good performance.