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首页> 外文会议>Virtual colonoscopy and abdominal imaging : Computational challenges and clinical opportunities >Extraction of Landmarks and Features from Virtual Colon Models
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Extraction of Landmarks and Features from Virtual Colon Models

机译：从虚拟冒号模型中提取地标和特征

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摘要

The colon is a very complicated structure with a large number of distortions and bends. Landmarks and features serve as tools to guide colon flattening and to assist in the study of the colon surface segment by segment. Identification of feature points and landmarks is also useful for the registration of colon surfaces. In this paper, we present methods for identifying the locations of the taeniae coli and the four major flexures which form the prominent anatomic landmarks on the colon surface. The colon surface is cut open along these landmarks, and the segments obtained can be used for study of the surface of the colon. We define new feature points on the flattened colon surfaces and use well-established graph-based algorithms for their detection. We demonstrate the results showing the extracted landmarks and the detected features.
机译：结肠是非常复杂的结构，具有大量的扭曲和弯曲。地标和特征可作为指导结肠扁平化并协助逐段研究结肠表面的工具。特征点和界标的识别对于结肠表面的配准也很有用。在本文中，我们提出了鉴定the带和四个主要弯曲部位的方法，这些弯曲部位在结肠表面形成了明显的解剖标志。沿着这些界标将结肠表面切开，获得的节段可用于研究结肠表面。我们在展平的结肠表面上定义新的特征点，并使用完善的基于图的算法进行检测。我们演示了显示提取的地标和检测到的特征的结果。

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