Abstract #4204
Quantitative Assessments of Facial Soft-Tissue Mobility by means of Watershed Segmentation and Constrained Elastic Registration in Upright Accelerated 3D MRI
Marco Vicari 1 , Stefan Heldmann 2 , Hans Meine 1 , Frank Hug 3 , Juergen Hennig 4 , and Niklas Iblher 3
1
Fraunhofer MEVIS, Bremen, Germany,
2
Fraunhofer
MEVIS, Luebeck, Germany,
3
Department
of Plastic and Hand Surgery, University Medical Center
Freiburg, Freiburg, Germany,
4
Department
of Radiology, Medical Phyisics, University Medical
Center Freiburg, Freiburg, Germany
Reconstructive and aesthetic facial plastic surgery can
strongly benefit from quantitative assessments of the
facial soft-tissue mobility. This clinical challenge can
be risen by a modern and original comprehensive imaging
method, joining advanced MRI and image analysis. In
particular, 3D accelerated upright MRI provides, in
reasonable acquisition times, high-resolution and
high-contrast facial soft-tissue depiction in natural
stance under physiological weight-bearing. Moreover,
soft-tissue layer watershed segmentations and their
constrained elastic registration between lying and
sitting positions give access to full quantitative
information about the complex 3D anatomy of the face
structure, as a function of aging and gravity.
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