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公开(公告)号：US07813783B2
公开(公告)日：2010-10-12
申请号：US11591732
申请日：2006-11-02
CPC分类号： A61B6/469 , A61B6/032 , A61B6/037 , A61B6/488 , A61B6/5235
摘要： Methods and systems for imaging a patient are provided. The method includes scanning a patient and acquiring a plurality of frames of cine computed tomography (CT) images during one complete respiratory cycle. In one embodiment, a method is provided that includes selecting an organ of interest in the cine CT data and selecting a value for each pixel in the organ of interest that represents the maximum density measurement. An attenuation corrected positron emission tomography (PET) image is constructed based on the maximization of the pixel intensity of the organ of interest in the CT attenuation correction map. Incorrect attenuation correction values for PET images can be avoided by utilizing the CT attenuation correction map.
摘要翻译： 提供了用于成像患者的方法和系统。 该方法包括在一个完整的呼吸周期期间扫描患者并获取电脑计算机断层摄影（CT）图像的多个帧。 在一个实施例中，提供了一种方法，其包括在电影CT数据中选择感兴趣的器官并且选择表示最大密度测量的感兴趣的器官中的每个像素的值。 基于CT衰减校正图中感兴趣器官的像素强度的最大化构建衰减校正的正电子发射断层摄影（PET）图像。 通过利用CT衰减校正图可以避免PET图像的不正确的衰减校正值。
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公开(公告)号：US20080107229A1
公开(公告)日：2008-05-08
申请号：US11591732
申请日：2006-11-02
CPC分类号： A61B6/469 , A61B6/032 , A61B6/037 , A61B6/488 , A61B6/5235
摘要： Methods and systems for imaging a patient are provided. The method includes scanning a patient and acquiring a plurality of frames of cine computed tomography (CT) images during one complete respiratory cycle. In one embodiment, a method is provided that includes selecting an organ of interest in the cine CT data and selecting a value for each pixel in the organ of interest that represents the maximum density measurement. An attenuation corrected positron emission tomography (PET) image is constructed based on the maximization of the pixel intensity of the organ of interest in the CT attenuation correction map. Incorrect attenuation correction values for PET images can be avoided by utilizing the CT attenuation correction map.
摘要翻译： 提供了用于成像患者的方法和系统。 该方法包括在一个完整的呼吸周期期间扫描患者并获取电脑计算机断层摄影（CT）图像的多个帧。 在一个实施例中，提供了一种方法，其包括在电影CT数据中选择感兴趣的器官并且选择表示最大密度测量的感兴趣的器官中的每个像素的值。 基于CT衰减校正图中感兴趣器官的像素强度的最大化构建衰减校正的正电子发射断层摄影（PET）图像。 通过利用CT衰减校正图可以避免PET图像的不正确的衰减校正值。
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