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Updated: Aug 10, 2026

Coordinate Mapping of Hyolaryngeal Mechanics in Swallowing

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Published on: May 6, 2014

视频光镜上的放射放大:在大规模分析吞时需要考虑的重要变量

Sonja M Molfenter^1,2, Rebecca Brynn Jones-Rastelli¹, Matina Balou³

¹Department of Communicative Sciences and Disorders, New York University Steinhardt, New York City.

Journal of speech, language, and hearing research : JSLHR

|October 27, 2023

概括

在视频光学中用于吞研究的外部标量仪膨胀测量,放大变化越来越接近X射线源. 适当的标尺位置对于准确的动力学测量至关重要.

科学领域:

医疗成像医学成像
生物力学生物力学
吞障碍吞障碍吞障碍

背景情况:

视频光镜 (VF) 对于吞的动力学分析至关重要.
在VF中准确的距离校准通常依赖于外部标量器.
标量定位对测量准确性的影响尚不清楚.

研究的目的:

评估VF中常见的外部标量位的准确性.
为了研究标量位置对吞动力学测量的影响.

主要方法:

美国便士作为标尺,贴在头像模型的侧面和下脑位置上.
一个校准的螺丝刀被用作测量对象.
图像J软件从横向和AP视图中分析了分钱大小的像素.

主要成果:

所有标尺都高估了螺丝刀的尺寸,显示了9%-31%的通货膨胀.
对于靠近X射线源的标量体来说,放大幅度最大.

结论:

外部标量体的图像放大引入了吞研究中显著的,未解决的变异性.
标尺位置显著影响测量准确性.
提供了改进研究设计和测量方法的建议.

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