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Non-linear Registration Between 3 D Images Including Rigid Objects : Application to CT and PET Lung Images With Tumors
| Content Provider | Semantic Scholar |
|---|---|
| Author | Moreno, Antonio Delso, Gaspar Camara, Oscar Bloch, Isabelle |
| Copyright Year | 2006 |
| Abstract | This paper deals with the problem of non linear image registr ation is the case the images include objects undergoing different types of de formation. As an illustrative application, we consider the registration of CT and PET images of thoracic and abdominal regions. Registration of these two m odalities has to cope with deformations of the lungs during breathing. Poten tial tumors in the lungs usually do not follow the same deformations, since the y can be considered as almost rigid, and this should be taken into account in the registration procedure. We show in this paper how to introduce rigidity co nstraints into a non-linear registration method. The proposed approach is b ased on registration of landmarks defined on the surface of previously segmen ted objects and on continuity constraints. The results demonstrate a signi fica t improvement of the combination of anatomical and functional images for d iagnosis and for oncology applications. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://biblio.telecom-paristech.fr/cgi-bin/download.cgi?id=6457 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
