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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Murgasova, M. Rueckert, D. Edwards, D. Hajnal, J. |
| Copyright Year | 2009 |
| Description | Author affiliation: Visual Information Processing Group, Department of Computing, Imperial College London, UK (Murgasova, M.; Rueckert, D.) || Department of Imaging Sciences, Faculty of Medicine, Imperial College London, UK (Edwards, D.; Hajnal, J.) |
| Abstract | A novel method for the segmentation of brain structures combining registration-based and EM-based approaches is proposed. To address the issue of intensity variation within brain structures, we propose a method for creating spatial prior corresponding very well with the new subject anatomy, referred to as subject-specific atlas. The subject-specific atlas is created using multiple non-rigid registrations with the new subject, and therefore a robust non-rigid alignment of the prior with the image is achieved. The final EM segmentation step ensures a good quality classification of the complicated cortical structures based on intensity. The evaluation of the proposed method shows consistent results superior to both, registration-based and EM-based approaches. |
| Starting Page | 17 |
| Ending Page | 20 |
| File Size | 466134 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424439317 |
| ISSN | 19457928 |
| DOI | 10.1109/ISBI.2009.5192972 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-06-28 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Robustness Brain Magnetic resonance imaging Image segmentation Labeling Educational institutions Voting Information processing Anatomy Costs registration segmentation brain MRI structures EM segmentation |
| Content Type | Text |
| Resource Type | Article |
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