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Tumors in the pelvic region cause deformation and destruction of bony structures. Because the original pelvic anatomy cannot be adequately assessed at the tumor site, reconstruction with patient-specific implants is required. A widely used strategy for the reconstructive planning is mirroring of the contralateral side. We analyzed the statistical shape(More)
F t b a ugmented-reality environments, that is, computer raphics merged with 3-dimensional representations of natomic regions generated from imaging modalities mainly computed tomography [CT] and magnetic resnance imaging), have their background in well-known nd well-established conventional image-guided surery, which we can describe as the “first(More)
This paper introduces an extendable cross-platform software framework Julius for medical visualization and surgical planning, consisting of two conceptual layers: the Julius Software Development Kit (JSDK) and the Julius Graphical User Interface (JGUI). The JSDK can be used stand-alone to speed up development of research tools. While the JGUI acts like a(More)
BACKGROUND Dynamic three-dimensional (3D) deformation of the pelvic bones is a crucial factor in the successful design and longevity of complex orthopaedic oncological implants. The current solutions are often not very promising for the patient; thus it would be interesting to measure the dynamic 3D-deformation of the whole pelvic bone in order to get a(More)
In this paper we introduce the extendable cross-platform software framework Julius for medical visualization and surgical planning, consisting of two conceptual layers: the Julius Software Development Kit (JSDK) and its frontend the Julius Graphical User Interface (JGUI). Julius features a modular, platform-independent design and includes a full set of(More)
We present a model-based approach for seg-mentation of the skull from T1 weighted MR images of the human head. Segmentation is performed by fitting a morphable skull model into a pre-segmented version of the image. This yields a segmentation result that is constrained to the normal skull anatomy and thus gives a statistically meaningful approximation of the(More)
The free fibula osteoseptocutaneous flap is the standard for reconstruction of extensive mandibular defects. The procedure must be precise to achieve the required functional and aesthetic results. The aim of the present study was to calculate retrospectively the exact differences in surgical outcome based on preoperative and postoperative Computed(More)