Estimation Of Non-rigid Deformations In The Three-dimensional Space And
Time Domains In Medical Images
Author(s)
R. Rosas Romero & J. RodrÃguez Asomoza
Abstract
Estimation of non-rigid deformations in the
three-dimensional space and time domains in
medical images
R. Rosas Romero & J. Rodriguez Asomoza
Departament of Electrical Engineering, Universidad
Abstract
Estimation of the non-rigid deformation in objects over the three-dimensional
space and time domains can be applied to the field of medical image analysis.
We present a new methodology that extends techniques for estimation of
deformation over the spatial domain to incorporate the time domain by
introducing a scheme for tracking the surface in moving and deformable objects,
which supports semi-automatic segmentation of sets of 3-D medical images.
Furthermore, previous methods for estimation of deformation are based only on
matching two 3-D surfaces by minimizing the differences between them. In the
other hand, our approach also incorporates the matching of two sets of feature
points, and we have shown that deformation estimates based on simultaneous
matching of surfaces and features are more acc
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