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首页> 外文会议>Conference on Physiology and Function: Methods, Systems, and Applications Feb 16-18, 2003 San Diego, California, USA >Quantitative evaluation of observation methods in virtual endoscopy based on the rate of undisplayed region
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Quantitative evaluation of observation methods in virtual endoscopy based on the rate of undisplayed region

机译：基于未显示区域的比率的虚拟内窥镜观察方法的定量评估

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This paper quantitatively evaluates observation methods based on undisplayed regions in virtual endoscopy (VE). When we use a VE system as a diagnostic tool, especially as a tool for detecting colorectal polyps, a medical doctor observes the state of the colonic wall. Automated fly-through is often used to reduce system operation load. The system generates automated fly-through paths using the medial axes extracted from colon regions. Because there are many folds in the colon, these folds may cause some blind areas in the views. The aim of this study is to evaluate automated fly-through method in VE based on undisplayed regions. There is no other research on evaluation of undisplayed regions. We evaluate various kinds of automated fly-through paths from the viewpoint of the rate of undisplayed regions. Flattened views are also used for comparison. The experimental results show that about 30% of colon regions are not displayed at all during automated fly-through. The flattened views show smaller rate of undisplayed regions than one of automated fly-through.
机译：本文基于虚拟内窥镜（VE）中未显示的区域定量评估了观察方法。当我们使用VE系统作为诊断工具时，尤其是作为检测结肠直肠息肉的工具时，医生会观察结肠壁的状态。自动飞越通常用于减少系统运行负荷。该系统使用从结肠区域提取的中间轴生成自动飞越路径。由于结肠中有很多褶皱，因此这些褶皱可能会在视图中造成一些盲区。这项研究的目的是基于未显示的区域评估VE中的自动飞越方法。对于未展示区域的评估，没有其他研究。我们从未显示区域的比率角度评估各种自动飞越路径。展平的视图也用于比较。实验结果表明，在自动飞越过程中根本没有显示出大约30％的结肠区域。展平的视图显示的未显示区域的比率比自动穿越系统之一的比率小。

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