NDLI: Generic rebooting scheme and model-based probabilistic pruning algorithm for tree-like structure tracking

Content Provider	IEEE Xplore Digital Library
Author	Ziyue Xu Fei Zhao Bhagalia, R. Das, B.
Copyright Year	2012
Description	Author affiliation: Medical Image Analysis Laboratory, GE Global Research, Bangalore, India (Das, B.) \|\| Department of Electrical and Computer Engineering, University of Iowa, Iowa City, IA 52242 (Ziyue Xu) \|\| Biomedical Image Analysis Laboratory, GE Global Research, Niskayuna, NY 12309 (Fei Zhao; Bhagalia, R.)
Abstract	Tree-like vessel structures are an information-rich source for many image analysis tasks. Hence tracking algorithms extracting such structures have wide applicability. However, due to image artifacts and the minute nature of vessels, these algorithms face several challenges; two of the most common ones are 1) early termination, where tracking stops before the structure ends and 2) leaking, where tracking leaks into nearby closed organs or irrelevant structures. To address these issues, this paper makes two main contributions: a generic rebooting scheme that identifies early terminations and then restarts tracking to track objects in their entirety and a modelbased pruning algorithm that uses global optimization to identify and mitigate leaking. The performance of the proposed algorithm is demonstrated by tracking coronary arteries on 3D cardiac Computed Tomography Angiography (CTA) data from 28 human subjects. Our methods dramatically improve tracking results by detecting and recovering from early terminations and identifying and removing leaking in 98% (63 of 64) branches, with a single erroneously removed valid branch.
Starting Page	796
Ending Page	799
File Size	5215661
Page Count	4
File Format	PDF
ISBN	9781457718571
ISSN	19457928
e-ISBN	9781457718588
DOI	10.1109/ISBI.2012.6235668
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-05-02
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Arteries Probabilistic logic Algorithm design and analysis Optimization Image segmentation Bifurcation Computational modeling probabilistic tracking vessel segmentation early termination leaking control model-based pruning
Content Type	Text
Resource Type	Article

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