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    • 25. 发明授权
    • Method and x-ray device to determine a three-dimensional target image data set
    • 方法和x射线装置确定三维目标图像数据集
    • US09271691B2
    • 2016-03-01
    • US13970760
    • 2013-08-20
    • Frank DennerleinMathias Hoernig
    • Frank DennerleinMathias Hoernig
    • A61B6/00A61B6/03G06T11/00
    • A61B6/52A61B6/032A61B6/4441A61B6/488A61B6/5205G06T11/005
    • In a method and x-ray device to determine a three-dimensional target image data set showing at least one partial region of interest of an acquisition region, wherein the image data of the three-dimensional target image data set are reconstructed from two-dimensional projection images acquired from various projection directions, first projection images are acquired without a collimation of the radiation source from first projection directions and a three-dimensional overview image data set of the acquisition region is reconstructed from the first projection images. The partial region of interest is selected in the overview image data set. Second projection images are acquired, with collimation at the partial region, from second projection directions, the second projection directions differing from the first projection directions. The target image data set showing the acquisition region and the partial region of interest is reconstructed from all first and second projection images.
    • 一种用于确定显示采集区域的至少一个部分感兴趣区域的三维目标图像数据集的方法和x射线装置,其中三维目标图像数据集的图像数据从二维 从各个投影方向获取的投影图像获取第一投影图像而不从第一投影方向准直辐射源,并且从第一投影图像重建获取区域的三维概览图像数据集。 在概览图像数据集中选择感兴趣的部分区域。 从第二投影方向获取第二投影图像,其中部分区域具有准直,第二投影方向与第一投影方向不同。 从所有第一和第二投影图像重建表示获取区域和感兴趣的部分区域的目标图像数据集。
    • 26. 发明申请
    • METHOD AND X-RAY DEVICE TO DETERMINE A THREE-DIMENSIONAL TARGET IMAGE DATA SET
    • 用于确定三维目标图像数据集的方法和X射线装置
    • US20140050295A1
    • 2014-02-20
    • US13970760
    • 2013-08-20
    • Frank DennerleinMathias Hoernig
    • Frank DennerleinMathias Hoernig
    • A61B6/00A61B6/03
    • A61B6/52A61B6/032A61B6/4441A61B6/488A61B6/5205G06T11/005
    • In a method and x-ray device to determine a three-dimensional target image data set showing at least one partial region of interest of an acquisition region, wherein the image data of the three-dimensional target image data set are reconstructed from two-dimensional projection images acquired from various projection directions, first projection images are acquired without a collimation of the radiation source from first projection directions and a three-dimensional overview image data set of the acquisition region is reconstructed from the first projection images. The partial region of interest is selected in the overview image data set. Second projection images are acquired, with collimation at the partial region, from second projection directions, the second projection directions differing from the first projection directions. The target image data set showing the acquisition region and the partial region of interest is reconstructed from all first and second projection images.
    • 一种用于确定显示采集区域的至少一个部分感兴趣区域的三维目标图像数据集的方法和x射线装置,其中三维目标图像数据集的图像数据从二维 从各个投影方向获取的投影图像获取第一投影图像而不从第一投影方向准直辐射源,并且从第一投影图像重建获取区域的三维概览图像数据集。 在概览图像数据集中选择感兴趣的部分区域。 从第二投影方向获取第二投影图像,其中部分区域具有准直,第二投影方向与第一投影方向不同。 从所有第一和第二投影图像重建表示获取区域和感兴趣的部分区域的目标图像数据集。