一种改进的模糊欠减法（BUS）及其应用。
A modified blurred undersubtraction method (BUS) and its applications.
作者信息
Kattan K R
出版信息
Radiology. 1980 Mar;134(3):782-3. doi: 10.1148/radiology.134.3.7355236.
Abstract
A modification of a previously described method of enhancing radiographs for photography is presented. The mask to be used during photography is produced by exposing a subtraction film with the radiograph and two layers of diffusing glass in between it and the x-ray copier. Various applications for producing other types of masks are also discussed.
摘要
本文介绍了一种对先前描述的用于增强X光照片以便摄影的方法的改进。摄影时使用的蒙版是通过用X光照片以及在它与X光复印机之间的两层漫射玻璃对一张减影片进行曝光来制作的。还讨论了制作其他类型蒙版的各种应用。
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