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    • 6. 发明授权
    • Automatic determination of parameters of an imaging geometry
    • 自动确定成像几何参数
    • US07903852B2
    • 2011-03-08
    • US11572710
    • 2005-07-19
    • Rudolf SpringorumKirsten MeetzFrederik VisserDaniel Bystrov
    • Rudolf SpringorumKirsten MeetzFrederik VisserDaniel Bystrov
    • G06K9/00
    • G06T7/68G06T7/80G06T2207/30004
    • The apparatus comprises an input for receiving a suitable source image data of an object. The core of the apparatus is formed by a control unit 4 arranged to load image data from the input and determine a spatial position and orientation of a portion of the object and to automatically calculate actual parameters of the imaging geometry based on said position and orientation and using default parameters if the imaging geometry, selected by the control unit in accordance with the portion of the object. The apparatus according to the invention comprises a recognition module arranged to determine a spatial position and orientation of the portion of the object with respect to a coordinate system of an imaging apparatus conceived to use the actual parameters of the imaging geometry provided by the apparatus.
    • 该装置包括用于接收对象的合适的源图像数据的输入。 该装置的核心由控制单元4形成,该控制单元4布置成从输入装载图像数据,并且确定对象的一部分的空间位置和方向,并且基于所述位置和方向自动计算成像几何的实际参数;以及 使用默认参数,如果成像几何,由控制单元根据对象的部分选择。 根据本发明的装置包括识别模块,该识别模块被布置成确定物体的该部分相对于使用由该装置提供的成像几何的实际参数构思的成像装置的坐标系的空间位置和取向。
    • 8. 发明授权
    • Contour delineation for radiation therapy planning with real-time contour segment impact rendering
    • 用于具有实时轮廓段影响渲染的放射治疗计划的轮廓描绘
    • US09020234B2
    • 2015-04-28
    • US13821572
    • 2011-09-05
    • Thomas NetschDaniel Bystrov
    • Thomas NetschDaniel Bystrov
    • G06T7/00A61N5/10
    • G06T7/0012A61N5/103G06T7/12G06T2207/10072G06T2207/30096
    • A contouring module (22, 24) iteratively adjusts contours delineating a radiation target region and risk regions in a planning image. An intensity modulation optimization module (30) generates a radiation therapy plan conforming with dosage or dosage constraints (26) for the radiation target region and the risk regions delineated by the contours. A differential analysis module (40) is configured to invoke the intensity modulation optimization module (30) to estimate partial derivatives of an output of the intensity modulation optimization respective to the contours. The contouring module (22, 24) is configured to invoke the differential analysis module (40) after each iterative contour adjustment to estimate the partial derivatives respective to the contour segments and to render the contour segments on a display of the planning image with the contour segments coded based on the estimated partial derivatives to indicate impact of the contour segments on the intensity modulation optimization.
    • 轮廓模块(22,24)迭代地调整描绘辐射目标区域的轮廓并且在规划图像中风险区域。 强度调制优化模块(30)产生符合用于辐射目标区域的剂量或剂量约束(26)和由轮廓描绘的风险区域的放射治疗计划。 差分分析模块(40)被配置为调用强度调制优化模块(30)以估计相应于轮廓的强度调制优化的输出的偏导数。 轮廓模块(22,24)被配置为在每次迭代轮廓调整之后调用差分分析模块(40)以估计相应于轮廓段的偏导数,并且使轮廓段在具有轮廓的规划图像的显示器上呈现 基于估计的偏导数编码的段,以指示轮廓段对强度调制优化的影响。