在分割MRI切片的基础上创建颞下颌关节盘的三维模型

2011 34th International Conference on Telecommunications and Signal Processing (TSP) Pub Date : 2011-10-13 DOI:10.1109/TSP.2011.6043707

O. Smirg, O. Liberda, A. Sprlakova, Z. Smékal

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引用次数: 5

摘要

本文研究了对分割后的MRI(磁共振图像)进行处理，并利用连续切片实现了颞下颌关节盘的三维重建。该分割方法结合了单个切片的空间连续性和遗传算法。利用遗传算法为视频片段的选择设置阈值。磁共振成像技术是一种非侵入性的成像方法，尤其适用于包括颞下颌盘在内的人体软组织。分割后，使用行军立方体法实现三维模型，随后使用拉普拉斯平滑算法进行平滑。

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Creating a 3D model of the temporomandibular joint disc on the basis of segmented MRI slices

The paper deals with the processing of MRI (Magnetic Resonance Images), which are segmented, and using consecutive slices a 3D reconstruction of the TMJ (temporomandibular joint) disc is realized. The segmentation method combines spatial continuity of individual slices and a genetic algorithm. Using the genetic algorithm a threshold is set for the selection of video segments. The MRI technique is one of the non-invasive imaging methods especially for the soft tissues of the human body, which include the temporomandibular disc. After segmentation, a 3D (three-dimensional) model was realized using the marching cube method, and was subsequently smoothed using the Laplace smoothing algorithm.

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2011 34th International Conference on Telecommunications and Signal Processing (TSP)

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