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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Hongying Li Robini, M. Feng Yang Yuemin Zhu |
| Copyright Year | 2012 |
| Description | Author affiliation: CREATIS (CNRS UMR 5220, Inserm U1044), INSA Lyon, 69621 Villeurbanne cedex, France (Hongying Li; Robini, M.; Feng Yang; Yuemin Zhu) |
| Abstract | Fiber tracking techniques are essential for representing and visualizing the cardiac fiber architecture information encoded in diffusion-tensor imaging (DTI) data. We propose a neighborhood-based probabilistic fiber tracking method for cardiac DTI which accounts for spatial correlation and data uncertainty. The method consists in tracking fiber paths by sampling step directions from a normalized weighted sum of local fiber orientation probability distributions. The sum is over a predefined neighborhood of the current position in the fiber path, and the weights depend on fractional anisotropy, angular change and distance to the current position. Experimental results on synthetic data and on real human cardiac data show that, compared to the streamlining approach, the proposed method is meaningfully more robust to noise and produces smoother and more consistent fibers. |
| Starting Page | 9 |
| Ending Page | 13 |
| File Size | 1012618 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781457718571 |
| ISSN | 19457928 |
| e-ISBN | 9781457718588 |
| DOI | 10.1109/ISBI.2012.6235471 |
| 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 | Tensile stress Diffusion tensor imaging Humans Noise Standards Probabilistic logic Correlation probabilistic tracking Magnetic resonance imaging (MRI) diffusion-tensor imaging (DTI) fiber tracking |
| Content Type | Text |
| Resource Type | Article |
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