3D Reconstruction of the Human Rib Cage from 2D Projection ... - ZIB

4 SSM-based Geometry Reconstruction
from 2D Projection Images
This chapter describes the general reconstruction method used, independently from
the object or anatomy we wish to reconstruct. It presents the components of the
SSM-based reconstruction approach. This includes an introduction to statistical
shape models (SSMs) to provide a fundamental understanding of how variations
that are typical for a type of object can be modeled. Furthermore, the basics of
projections of 3D objects to the 2D image space are described, which will be applied
to generate projections of the SSM. Afterwards, details on the optimization process
are given.
4.1 Reconstruction Process
Below, we describe the essential components of the SSM-based reconstruction method
and their interaction.
Figure 4.1: Scheme of the SSM-based reconstruction process (refer to Sect. 4.1 for a detailed
description).
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