Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11581
Title: Joint registration and active contour segmentation for object tracking
Authors: Ning, J
Zhang, L 
Zhang, D 
Yu, W
Keywords: Active contour model
Level set
Object tracking
Registration
Segmentation
Issue Date: 2013
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on circuits and systems for video technology, 2013, v. 23, no. 9, 6488796, p. 1589-1597 How to cite?
Journal: IEEE transactions on circuits and systems for video technology 
Abstract: This paper presents a novel object tracking framework by joint registration and active contour segmentation (JRACS), which can robustly deal with the non-rigid shape changes of the target. The target region, which includes both foreground and background pixels, is implicitly represented by a level set. A Bhattacharyya similarity based metric is proposed to locate the region whose foreground and background distributions best match those of the tracked target. Based on this metric, a tracking framework that consists of a registration stage and a segmentation stage is then established. The registration step roughly locates the target object by modeling its motion as an affine transformation, and the segmentation step refines the registration result and computes the true contour of the target. The robust tracking performance of the proposed JRACS method is demonstrated by real video sequences where the objects have clear non-rigid shape changes.
URI: http://hdl.handle.net/10397/11581
ISSN: 1051-8215
EISSN: 1558-2205
DOI: 10.1109/TCSVT.2013.2254931
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