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Segmentation of Bony Structures with Ligament Attachment Sites

Summary: Segmentation of Bony Structures with Ligament
Attachment Sites
Heiko Seim1
, Hans Lamecker1
, Markus Heller2
, Stefan Zachow1
Visualisierung und Datenanalyse, Zuse-Institut Berlin (ZIB), 14195 Berlin
Centrum f¨ur Muskuloskeletale Chirurgie, Charit´e-Berlin, 13353 Berlin
Abstract. This work presents an approach towards reconstructing lig-
ament and tendon attachment sites from 3D medical image data. We
apply statistical shape models with an additional free form step to re-
construct the anatomical shape of the distal femur from CT data. After
the shape fitting process the locations of ligament attachment sites, which
are incorporated in the geometric model, are extracted and their posi-
tions optimized via an image based approach. To show the potential of
our method we manually extracted the surface of 11 distal femora and
their corresponding ligament attachment sites in clinical CT data and


Source: Andrzejak, Artur - Konrad-Zuse-Zentrum für Informationstechnik Berlin


Collections: Computer Technologies and Information Sciences