Extension of 2D segmentation methods into 3D by means of Coons-patch interpolation

Ivo Wolf; Amir Eid; Marcus Vetter; Peter Hassenpflug; Hans-Peter Meinzer

doi:10.1117/12.479726

15 May 2003 Extension of 2D segmentation methods into 3D by means of Coons-patch interpolation

Ivo Wolf, Amir Eid, Marcus Vetter, Peter Hassenpflug, Hans-Peter Meinzer

Author Affiliations +

Proceedings Volume 5032, Medical Imaging 2003: Image Processing; (2003) https://doi.org/10.1117/12.479726
Event: Medical Imaging 2003, 2003, San Diego, California, United States

Abstract

In medical imaging, segmentation is an important step for many visualization tasks and image-guided procedures. Except for very rare cases, automatic segmentation methods cannot guarantee to provide the correct segmentation. Therefore, for clinical usage, physicians insist on full control over the segmentation result, i.e., to verify and interactively correct the segmentation (if necessary). Display and interaction in 2D slices (original or multi-planar reformatted) are more precise than in 3D visualizations and therefore indispensable for segmentation, verification and correction. The usage of slices in more than one orientation (multi-planar reformatted slices) helps to avoid inconsistencies between 2D segmentation results in neighboring slices. For the verification and correction of three-dimensional segmentations as well as for generating a new 3D segmentation, it is therefore desirable to have a method that constructs a new or improved 3D segmentation from 2D segmentation results. The proposed method enables to quickly extend segmentations performed on intersecting slices of arbitrary orientation to a three-dimensional surface model by means of interpolation with specialized Coons patches. It can be used as a segmentation tool of its own as well as for making more sophisticated segmentation methods (that need an initialization close to the boundary to detect) feasible for clinical routine.

Citation Download Citation

Ivo Wolf, Amir Eid, Marcus Vetter, Peter Hassenpflug, and Hans-Peter Meinzer "Extension of 2D segmentation methods into 3D by means of Coons-patch interpolation", Proc. SPIE 5032, Medical Imaging 2003: Image Processing, (15 May 2003); https://doi.org/10.1117/12.479726

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