Objective To evaluate different CT window width and window level in the diagnosis of malignant bone tumor.
目的研究不同窗宽窗位技术在恶性骨肿瘤诊断中的价值。
Therefore, if different representations of window width and window level of one image are used, registration accuracy will be affected.
基于互信息的配准方法实质上是一种对灰度进行统计和计算的方法，因此同一图像采用不同的窗宽窗位表示必然会影响配准结果。
The DR technology that were applied included : changes of the level of window and window width, reversion of black and white, zoom, et al.
在病人摄片及后处理过程中主要应用的DR成像技术有窗宽、窗位调整、反白技术、局部放大等。
应用推荐