统称为数字 X 线摄影(DR)的各种新方法,作为能代替原来 X 线摄影的 X 线成像装置,受到了世人的注意。X 线图像信号经过 A/D 换能器变成数字化,经图象处理,再形成供诊断所需要的图象,这种显示方法称为 DR。从这一意义上来说还包括 CT,但一般都是用最单 Various new methods, collectively referred to as digital radiography (DR), have drawn the world’s attention as X-ray imaging devices that can replace the original radiography. X-ray image signal through the A / D transducer into digital, image processing, and then formed for diagnosis of the image, this display method is called DR. In this sense also includes CT, but generally the most single use