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Synchronized Display of Virtual Colonoscopic Views in Supine and Prone CT Images

机译:仰卧和俯卧CT图像中虚拟结肠镜检查视图的同步显示

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Colon diagnosis using CT images of supine and prone positions is time-consuming task because a radiologist has to control viewing fields of virtual colonoscopic (VC) views individually. We propose a method to display VC views of corresponding areas of the colons in the two positions. Viewpoints of VC views in the two positions are obtained by a point interpolation based on the result of the supine-prone correspondence finding. Up-directions of VC views defined based on body orientations of a patient. We generated synchronized VC views of the two positions using the proposed method. Positional difference of the viewpoints between the two positions was 5.03 [mm]. The method can synchronize viewpoints of the supine and prone positions without significant error.
机译:使用仰卧位和俯卧位的CT图像进行结肠诊断是一项耗时的工作,因为放射科医生必须单独控制虚拟结肠镜(VC)视图的视野。我们提出了一种在两个位置显示结肠对应区域的VC视图的方法。基于仰卧俯卧对应发现的结果,通过点插值获得两个位置中VC视图的视点。根据患者的身体方向定义的VC视图的向上方向。我们使用建议的方法生成了两个位置的同步VC视图。两个位置之间的视点位置差为5.03 [mm]。该方法可以使仰卧位和俯卧位的视点同步而没有明显的误差。

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