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    • 6. 发明申请
    • Method for correcting truncation artifacts
    • 截断伪影的校正方法
    • US20090016592A1
    • 2009-01-15
    • US12217650
    • 2008-07-08
    • Stefan HoppeJoachim HorneggerGunter Lauritsch
    • Stefan HoppeJoachim HorneggerGunter Lauritsch
    • G06K9/00A61B6/00
    • A61B6/032A61B6/027A61B6/466A61B6/5258G06T11/006G06T2211/421G06T2211/432
    • The invention relates to a method for correcting truncation artifacts in a reconstruction method for computed tomography recordings. The projection images are recorded by an x-ray image detector being extended by determining the attenuation of the radiation outside the projection image for pixels. Non-horizontal filter lines are extended by transaxial and axial artificial extension of the x-ray image detector for the purposes of truncation correction. The truncation correction for non-horizontal filter lines being carried out according to a method from at least one of the following groups: truncation correction takes place regardless of the specific location and orientation of the filter lines; truncation correction takes place as a function of the specific position and orientation of the filter lines, with the filter lines themselves being retained; and truncation correction takes place by introducing new modified filter lines, with filtering taking place along offset artificially extended filter lines.
    • 本发明涉及一种用于计算机断层摄影记录的重建方法中的截断伪影的校正方法。 由X射线图像检测器记录投影图像,通过确定像素的投影图像之外的辐射的衰减而被扩展。 非水平滤波器线通过X射线图像检测器的横轴和轴向人造延伸来延伸,用于截断校正。 对于非水平滤波器线的截断校正根据以下组中的至少一个的方法执行:截断校正发生,而不管滤波器线的具体位置和取向如何; 截断校正作为滤波器线的具体位置和取向的函数发生,滤波器线本身被保持; 并且通过引入新的修改的滤波器线进行截断校正,并且沿着偏移人为扩展的滤波器线进行滤波。
    • 7. 发明申请
    • Operating method for a computer and corresponding devices
    • 计算机及相应设备的操作方法
    • US20060123002A1
    • 2006-06-08
    • US11294783
    • 2005-12-06
    • Joachim HorneggerDietrich Paulus
    • Joachim HorneggerDietrich Paulus
    • G06F7/00G06F17/30
    • G06T7/38G06F19/321Y10S707/941
    • Two sequences (13, 15) of data sets (14, 16) having at least two dimensions and referring to an object (17) which changes over time are specified to a computer (1). Each data set (14, 16) in each sequence (13, 15) is assigned a measure of time which can be used to determine the temporal relationship of the data sets (14, 16) to the other data sets (14, 16) in the respective sequence (13, 15). The computer (1) compares the first data set (14) in the first sequence (13) with the data sets (16) in the second sequence (15) and automatically determines a first data set (16) from the second sequence (15) corresponding to a first data set (14) from the first sequence (13). With the aid of the corresponding first data sets (14, 16) in the first and second sequences (13, 15) and the measures of time assigned to the data sets (14, 16), the computer then determines, for each of the other data sets (14) in the first sequence, the corresponding data set (16) from the second sequence.
    • 具有至少两个维度的数据集(14,16)的两个序列(13,15)被指定给计算机(1),并且指向随时间变化的对象(17)。 每个序列(13,15)中的每个数据集(14,16)被分配一个时间量度,可以用于确定数据集(14,16)与其他数据集(14,16)的时间关系, 在相应的顺序(13,15)中。 计算机(1)将第一序列(13)中的第一数据集(14)与第二序列(15)中的数据集(16)进行比较,并且从第二序列(15)自动确定第一数据集(16) )对应于来自第一序列(13)的第一数据集(14)。 借助于第一和第二序列(13,15)中的对应的第一数据集(14,16)和分配给数据集(14,16)的时间的度量,计算机然后对于每个 第一序列中的其他数据集(14),来自第二序列的对应数据集(16)。
    • 9. 发明授权
    • Operating method for a computer
    • 电脑操作方法
    • US08155978B2
    • 2012-04-10
    • US10851934
    • 2004-05-21
    • Stefan AssmannKlaus HambüchenJoachim Hornegger
    • Stefan AssmannKlaus HambüchenJoachim Hornegger
    • G06Q10/00
    • G06Q10/10G06F19/00G06Q50/22
    • A user predefines for a computer a retrieval instruction for primary data of a patient or of several patients. The computer accesses the primary data of this patient and outputs them to the user via a visual display device. The primary data comprise the primary image data recorded by way of a primary imaging modality and/or primary information derived from said primary image data. The computer automatically checks whether it is possible to access secondary data of this patient, which comprise the secondary image data recorded via a secondary imaging modality and/or secondary information derived from said secondary image data. In the affirmative case, the computer outputs a corresponding message to the user via the visual display device and/or by accessing at least a portion of the secondary data of this patient and outputting said data to the user via the visual display device.
    • 用户预先定义计算机对患者或几个患者的主要数据的检索指令。 计算机访问该患者的主要数据并通过视觉显示装置将其输出给用户。 主要数据包括通过主要成像模式记录的主要图像数据和/或从所述主要图像数据导出的主要信息。 计算机自动检查是否可以访问该患者的辅助数据,该辅助数据包括经由二次成像模式记录的次要图像数据和/或从所述次要图像数据导出的次要信息。 在肯定的情况下,计算机通过视觉显示装置向用户输出相应的消息和/或通过访问该患者的次要数据的至少一部分,并经由视觉显示装置将所述数据输出给用户。
    • 10. 发明授权
    • Operating method for a computer having sequences of data sets changing over time and corresponding devices
    • 具有随时间变化的数据集序列的计算机的操作方法和相应的设备
    • US08126902B2
    • 2012-02-28
    • US11294783
    • 2005-12-06
    • Joachim HorneggerDietrich Paulus
    • Joachim HorneggerDietrich Paulus
    • G06F7/00G06F17/30G06K9/32
    • G06T7/38G06F19/321Y10S707/941
    • Two sequences of data sets having at least two dimensions and referring to an object which changes over time are specified to a computer. Each data set in each sequence is assigned a measure of time which can be used to determine the temporal relationship of the data sets to the other data sets in the respective sequence. The computer compares the first data set) in the first sequence with the data sets in the second sequence and automatically determines a first data set from the second sequence corresponding to a first data set from the first sequence. With the aid of the corresponding first data sets in the first and second sequences and the measures of time assigned to the data sets, the computer then determines, for each of the other data sets in the first sequence, the corresponding data set from the second sequence.
    • 具有至少两个维度并且指向随时间变化的对象的两个数据集序列被指定给计算机。 每个序列中的每个数据集都被分配一个时间量度,可以用来确定数据集与各个序列中其他数据集的时间关系。 计算机将第一序列中的第一数据集与第二序列中的数据集进行比较,并且从与第一序列对应的第一数据集的第二序列自动确定第一数据集。 借助于第一和第二序列中的对应的第一数据集和分配给数据集的时间的度量,计算机然后对于第一序列中的每个其他数据集,确定来自第二序列的对应数据集 序列。