COMPUTER CONTROLLED X-RAY IMAGE ANALYZER

便携式微机控制扫描数字化仪的研制 和辅助装置来测量：（1）X射线靶强度 （2）光强度分布， 荧光屏，图像增强器，和背光， 显影的X射线胶片;和（3）千伏，X射线曝光，半- 值层和曝光时间。 开发软件：（1）计算和显示在三维图形， 光学传递函数和调制传递函数 从测量的点扩散函数;（2）表征和 计算X射线参数并预测X射线图像参数; 以及（3）解释X射线的物理基础的教育软件 意象理论 便携式系统将使成像特性的一个 X射线系统将在现场以 目前只有在先进的实验室才能发现的复杂程度 设施，需要大量的时间。 知识的增长 提高医学图像的水平 质量和减少患者辐射剂量。 所开发的系统 将进行X射线单位测量，现在需要几个 仪器，它将使用最近的固态进步， 微电脑硬件 它具有显著的非X射线潜力 成像系统由于其便携性、易用性 多功能能力，与 其他工具和方法。

Develop a portable, microcomputer controlled scanning digitizer and auxilliary devices to measure: (1) X-ray target intensity distributions directly; (2) light intensity distributions from fluorescent screens, image intensifiers, and backlighted, developed x-ray films; and (3) kilovoltage, x-ray exposure, half- value layers, and time of exposure. Develop software to: (1) calculate and display in 3-D graphics, Optical Transfer Functions and Modulation Transfer Functions from measured Point Spread Functions; (2) characterize and calculate x-ray parameters and predict x-ray image parameters; and (3) educational software explaining the physical basis of x-ray image theory. The portable system will enable the imaging characteristics of an x-ray system to be measured rapidly in situ in the field at a sophistication level found now only at advanced laboratory facilities and requiring substantial time. The increased knowledge of image parameters should improve the level of medical image quality and reduce patient radiation dose. The developed system will performed x-ray unit measurements now requiring several instruments and it will use recent solid-state advancements in microcomputer hardware. It has significant potential non x-ray image systems because of its portability, ease of use, multifunction capability, and major cost savings compared to other instruments and methods.