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FAN-BEAM AND CONE-BEAM IMAGE RECONSTRUCTION USING FILTERED BACKPROJECTION OF DIFFERENTIATED PROJECTION DATA

机译:利用差分投影数据的反向投影重建扇形和锥束图像

摘要

A tomographic image reconstruction method produces either 2D or 3D images from fan beam or cone beam projection data by filtering the backprojection image of differentiated projection data. The reconstruction is mathematically exact if sufficient projection data is acquired. A cone beam embodiment and both a symmetric and asymmetric fan beam embodiment are described.
机译:断层图像重建方法通过对差分投影数据的反投影图像进行滤波,从扇形束或圆锥形束投影数据中生成2D或3D图像。如果获得足够的投影数据,则重建在数学上是精确的。描述了锥形束实施例以及对称和不对称扇形束实施例。

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