Average brain models: a convergence study
Computer Vision and Image Understanding - Special issue on analysis of volumetric image
Automatic 3D ASM Construction via Atlas-Based Landmarking and Volumetric Elastic Registration
IPMI '01 Proceedings of the 17th International Conference on Information Processing in Medical Imaging
Automatic Hip Bone Segmentation Using Non-Rigid Registration
ICPR '06 Proceedings of the 18th International Conference on Pattern Recognition - Volume 03
SCIA'07 Proceedings of the 15th Scandinavian conference on Image analysis
Morphons: paint on priors and elastic canvas for segmentation and registration
SCIA'05 Proceedings of the 14th Scandinavian conference on Image Analysis
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The construction and application of statistical models of deformations based on non-rigid image registration methods have gained recent popularity. This paper presents the application of such a model to restricting a general-purpose registration algorithm to anatomically plausible solutions. Specifically, the Morphon registration method is used for atlas-based segmentation of bone scintigraphy images. From a training set of 734 images, a model of characteristic deformation fields is built and used for regularizing the registration of 113 test images. Results show that around 300 training images and 30 principal modes are sufficient for building a useful model. The segmentation succeeded in 106 of 113 test images.