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    • 5. 发明公开
    • Exposure management and control system and method
    • Belichtungsregelung und Regelungsvorrichtung -und Verfahren
    • EP1069807A2
    • 2001-01-17
    • EP00305882.3
    • 2000-07-12
    • GENERAL ELECTRIC COMPANY
    • Relihan, Gary FrancisGoodman, George CharlesGordon III, Clarence L.Ma, Baoming
    • H05G1/46
    • H05G1/58A61B6/545H05G1/46
    • An exposure management and control system and method for x-ray technique selection is provided. Optimal x-ray technique, which affects image quality, can be accurately predetermined to use for any application. A patient model is combined with a closed loop brightness control, using a parameter that does not affect image quality. This is used to create a control system that operates as a knowledge based control system. The x-ray system brightness control system comprises a first and second regulator. The first regulator is an image quality, or brightness, regulator. The brightness regulator can have multiple functions, such as peak mA control, power limiter, skin dose limiter, and an override function. The second regulator is a dose error regulator. The second regulator is independent of the first regulator, and cooperates with the first regulator to provide x-ray technique optimization independent of brightness control.
    • 提供了一种用于X射线技术选择的曝光管理和控制系统和方法。 影响图像质量的最佳x射线技术可以被准确地预定为用于任何应用。 患者模型结合闭环亮度控制,使用不影响图像质量的参数。 这用于创建一个作为基于知识的控制系统运行的控制系统。 x射线系统亮度控制系统包括第一和第二调节器。 第一个调节器是图像质量或亮度调节器。 亮度调节器可以具有多种功能,如峰值mA控制,功率限制器,皮肤剂量限制器和覆盖功能。 第二个调节器是剂量误差调节器。 第二个调节器独立于第一个调节器,并与第一个调节器配合提供独立于亮度控制的X射线技术优化。