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首页> 外文期刊>Journal of Digital Imaging >Computerized Methods for Determining Respiratory Phase on Dynamic Chest Radiographs Obtained by a Dynamic Flat-Panel Detector (FPD) System
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Computerized Methods for Determining Respiratory Phase on Dynamic Chest Radiographs Obtained by a Dynamic Flat-Panel Detector (FPD) System

机译：确定通过动态平板探测器（FPD）系统获得的动态胸部X光片上呼吸相位的计算机化方法

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摘要

Chest radiography using a dynamic flat-panel detector with a large field of view can provide sequential chest radiographs during respiration. These images provide information regarding respiratory kinetics, which is effective for diagnosis of pulmonary diseases. For valid analysis of respiratory kinetics in diagnosis of pulmonary diseases, it is crucial to determine the association between the kinetics and respiratory phase. We developed four methods to determine the respiratory phase based on image information associated with respiration and compared the results in dynamic chest radiographs of 37 subjects. Here, the properties of each method and future tasks are discussed. The method based on the change in size of the lung gave the most stable results, and that based on the change in distance from the lung apex to the diaphragm was the most promising method for determining the respiratory phase.
机译：使用具有大视野的动态平板探测器进行的胸部X射线照相可在呼吸期间提供连续的胸部X射线照相。这些图像提供有关呼吸动力学的信息，可有效诊断肺部疾病。为了对呼吸动力学进行有效分析以诊断肺部疾病，确定动力学与呼吸阶段之间的关联至关重要。我们开发了四种方法来根据与呼吸有关的图像信息确定呼吸阶段，并在37位受试者的动态胸部X光片中比较了结果。在此，讨论了每种方法的属性和将来的任务。基于肺尺寸变化的方法给出了最稳定的结果，基于肺尖至the肌距离变化的方法是确定呼吸相位的最有前途的方法。

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