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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Serag, A. Aljabar, P. Counsell, S. Boardman, J. Hajnal, J.V. Rueckert, D. |
| Copyright Year | 2012 |
| Description | Author affiliation: Centre for the Developing Brain, Imperial College London and MRC Clinical Sciences Centre, UK (Counsell, S.; Boardman, J.) || Imaging Sciences Department, MRC Clinical Sciences Centre, Imperial College London, UK (Hajnal, J.V.) || Biomedical Image Analysis Group, Department of Computing, Imperial College London, UK (Serag, A.; Aljabar, P.; Rueckert, D.) |
| Abstract | We propose a novel framework for longitudinal registration which can handle large intra-subject anatomical variations. The framework exploits freely available spatio-temporal atlases, which can aid the longitudinal registration process as it provides prior information about the missing anatomical evolution between two scans taken over large time-interval. The spatio-temporal atlas is used to develop an approach to carry out longitudinal registrations via atlas propagation. We carried out evaluation experiments using 50 neonatal subjects with two scans taken at different time-intervals. We used different metrics, including intensity similarity and segmentation overlap, to assess the registration performance. The proposed registration framework outperforms direct registration by providing an accurate and consistent registration, particularly when the time-interval between scans increases. We refer to our approach as a framework for Longitudinal Image registration via Spatio-temporal Atlases (LISA). |
| Starting Page | 334 |
| Ending Page | 337 |
| File Size | 934965 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781457718571 |
| ISSN | 19457928 |
| e-ISBN | 9781457718588 |
| DOI | 10.1109/ISBI.2012.6235552 |
| 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 | Image registration Measurement Pediatrics Magnetic resonance imaging Image segmentation Biomedical imaging Educational institutions MRI Longitudinal registration intra-subject spatio-temporal atlas neonatal brain |
| Content Type | Text |
| Resource Type | Article |
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