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Local Refinement for 3D Deformable Parametric Surfaces

A. Badoual, D. Schmitter, M. Unser

Proceedings of the 2016 Twenty-Third IEEE International Conference on Image Processing (ICIP'16), Phoenix AZ, USA, September 25-28, 2016, pp. 1086-1090.


Biomedical image segmentation is an active field of research where deformable models have proved to be efficient. The geometric representation of such models determines their ability to approximate the shape of interest as well as the speed of convergence of related optimization algorithms. We present a new tensor-product parameterization of surfaces that offers the possibility of local refinement. The goal is to allocate additional degrees of freedom to the surface only where an increase in local detail is required. We introduce the possibility of locally increasing the number of control points by inserting basis functions at specific locations. Our approach is generic and relies on refinable functions which satisfy the refinement relation. We show that the proposed method improves brain segmentation in 3D MRI images.

@INPROCEEDINGS(http://bigwww.epfl.ch/publications/badoual1602.html,
AUTHOR="Badoual, A. and Schmitter, D. and Unser, M.",
TITLE="Local Refinement for 3D Deformable Parametric Surfaces",
BOOKTITLE="Proceedings of the 2016 Twenty-Third {IEEE} International
	Conference on Image Processing ({ICIP'16})",
YEAR="2016",
editor="",
volume="",
series="",
pages="1086--1090",
address="Phoenix AZ, USA",
month="September 25-28,",
organization="",
publisher="",
note="")

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