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    • 5. 发明专利
    • Instantaneous visualization of contrast agent concentration by imaging application
    • 通过成像应用程序对比剂浓度的即时可视化
    • JP2014073404A
    • 2014-04-24
    • JP2013262828
    • 2013-12-19
    • Bracco Suisse Saブラッコ・シュイス・ソシエテ・アノニムBracco Suisse SA
    • FRINKING PETERNICOLAS ROGININMARCEL ARDITI
    • A61B8/00
    • G06T5/50A61B8/06A61B8/481G06T5/008G06T5/40G06T2207/10016G06T2207/10132G06T2207/30004
    • PROBLEM TO BE SOLVED: To provide a system for imaging an organ, including a tissue, being perfused with a contrast agent.SOLUTION: A system 600 includes means 603-608 for showing a sequence of original images which offers a digital representation of an organ with respect to time. Each of the original images includes a plurality of original values each of which is indicative of a response to an interrogation signal of a corresponding location of the organ possibly containing the contrast agent with a contribution of the tissue reduced. The system 600 further includes: means 609-651 which generate an overlaid image for each of a set of selected original images, the overlaid image including, for a selected location, an overlaid value comprising a) a linearized value derived from an original value to be proportional to a concentration of the contrast agent when the linearized value reaches a predetermined threshold value, or b) a compressed value depending nonlinearly on a response corresponding to the interrogation signal when the linearized value does not reach the predetermined threshold value; and means 654-660 for displaying overlaid images in succession.
    • 要解决的问题:提供一种用造影剂灌注的包括组织的器官成像系统。解决方案:系统600包括用于显示提供器官的数字表示的原始图像序列的装置603-608 相对于时间。 每个原始图像包括多个原始值,每个原始值指示对可能包含造影剂的器官的相应位置的询问信号的响应,其中组织减少的贡献。 系统600还包括:对于一组所选择的原始图像中的每一个生成重叠图像的装置609-651,所重叠的图像包括对于所选位置的重叠值,所述重叠值包括a)从原始值导出的线性化值 当所述线性化值达到预定阈值时与所述造影剂的浓度成比例,或b)当所述线性化值未达到所述预定阈值时,与所述询问信号对应的响应非线性地取决于压缩值; 以及用于连续显示重叠图像的装置654-660。