X-TV的质量指标及其在影像诊断中的应用

THE APPLICATION OF X RAY TV TECHNICAL PARAMETERS TO IMAGE DIAGNOSIS

Ｘ线电视图像质量的主要参数受诸多因素的影响。本文主要讨论了Ｘ线电视图像清晰度、对比度和灵敏度等与入射Ｘ线剂量、设备部件等之间的关系以及改进图像质量的方法。同时也对其功能键的恰当组合与选取以获得影像诊断的最佳效果进行了探讨。

The main image quality parameters of X ray TV are affected by various factors.This paper discribes the relationship of image quality parameters such as resolution contrast and sensitivity to incident X ray dose、apparatus parts,then proposes the methods of improving image quality.On the otherwise,to obtain an optimum effect for image diagnosis, discusses also that how to correctly select and combine the function keys on the X ray TV console.