Abstract
For radiation therapy of cervical cancer, segmentation of the cervix and the surrounding organs are needed. The aim is to develop a fully automatic method for the segmentation of all relevant organs. Our approach is an atlas-based segmentation, with a registration scheme that is aided by statistical knowledge of the deformations that are to be expected. A statistical model that acts on the boundary of an organ is included as a soft constraint in a free-form registration framework. As a first evaluation of our approach, we apply it to the segmentation of the bladder. Statistical models for the bladder were trained on a set of manual delineations. Experiments on a leave-one-patient-out basis were performed, with the quality defined as the Dice similarity to the manual segmentations. Compared to a registration without the use of statistical knowledge, the segmentations are slightly, but significantly improved.
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Berendsen, F.F., van der Heide, U.A., Langerak, T.R., Kotte, A.N.T.J., Pluim, J.P.W. (2012). Segmentation of Cervical Images by Inter-subject Registration with a Statistical Organ Model. In: Yoshida, H., Sakas, G., Linguraru, M.G. (eds) Abdominal Imaging. Computational and Clinical Applications. ABD-MICCAI 2011. Lecture Notes in Computer Science, vol 7029. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-28557-8_30
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DOI: https://doi.org/10.1007/978-3-642-28557-8_30
Publisher Name: Springer, Berlin, Heidelberg
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