金融界2025年7月12日消息，国家知识产权局信息显示，皇家飞利浦有限公司申请一项名为“确保3D双能量X射线成像中不同造影剂事件的质量”的专利，公开号CN120303703A，申请日期为2023年11月。
专利摘要显示，用于图像处理的系统(SYS)和相关方法。所述系统包括输入接口(IN)，其用于接收体积图像，所述体积图像是根据经谱处理的投影数据来重建的，所述经谱处理的投影数据是在采集期间在造影剂存在于谱成像装置(IA)的视场中时由所述谱成像装置采集的。分割器(SC)针对造影剂贡献分割体积图像以获得分割体积图像。前向投影器(FP)将分割体积图像前向投影到经谱处理的投影数据上。质量检查器(QC)建立指示前向投影的分割体积图像与经谱处理的投影数据之间的失配的质量指标数据。输出数据可以用于评估重建数据由伪影组成的程度。
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