Adaptation of an articulated fetal skeleton model to three-dimensional fetal image data

Tobias Klinder; Hannes Wendland; Irina Wachter-Stehle; David Roundhill; Cristian Lorenz

doi:10.1117/12.2081139

20 March 2015 Adaptation of an articulated fetal skeleton model to three-dimensional fetal image data

Tobias Klinder, Hannes Wendland, Irina Wachter-Stehle, David Roundhill, Cristian Lorenz

Proceedings Volume 9413, Medical Imaging 2015: Image Processing; 94130Q (2015) https://doi.org/10.1117/12.2081139
Event: SPIE Medical Imaging, 2015, Orlando, Florida, United States

Abstract

The automatic interpretation of three-dimensional fetal images poses specific challenges compared to other three-dimensional diagnostic data, especially since the orientation of the fetus in the uterus and the position of the extremities is highly variable. In this paper, we present a comprehensive articulated model of the fetal skeleton and the adaptation of the articulation for pose estimation in three-dimensional fetal images. The model is composed out of rigid bodies where the articulations are represented as rigid body transformations. Given a set of target landmarks, the model constellation can be estimated by optimization of the pose parameters. Experiments are carried out on 3D fetal MRI data yielding an average error per case of 12.03±3.36 mm between target and estimated landmark positions.

Citation Download Citation

Tobias Klinder, Hannes Wendland, Irina Wachter-Stehle, David Roundhill, and Cristian Lorenz "Adaptation of an articulated fetal skeleton model to three-dimensional fetal image data", Proc. SPIE 9413, Medical Imaging 2015: Image Processing, 94130Q (20 March 2015); https://doi.org/10.1117/12.2081139

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