The method of providing by means of a dual - source ct - device from a measuring field detected quantitative ct - image data, as well as computer unit, dual - source ct - an apparatus and computer program product

摘要

The dual - source ct - device (11) has a first radiation source - detector system (60) with a first receiving region (62) and a second radiation source - detector system (63) with a second receiving region (65) on. The method comprises the following method steps:– Dividing the measuring field in a first measuring field - partial region (66), which at least a part of the cut set from the first receiving region (62) and the second reception region (65), and a second measuring field - partial region (67), which leads to the second reception region (65) is separate,– Detection of first ct - measurement data from the first measuring field - partial region (66) by means of the dual - source ct - device (11) and detection of second ct - measurement data from the second measuring field - partial region (67) by means of the dual - source ct - device (11),– Reconstruction of first quantitative ct - image data from the first ct - measurement data by means of a first reconstruction method and reconstruction of second quantitative ct - image data from the second ct - measurement data by means of a second reconstruction method, which is different from the first reconstruction method is designed,– Bringing together of the first quantitative ct - image data and second quantitative ct - image data to quantitative ct - image data,– Providing the quantitative ct - image data.