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FAN-BEAM AND CONE-BEAM IMAGE RECONSTRUCTION USING FILTERED BACKPROJECTION OF DIFFERENTIATED PROJECTION DATA
FAN-BEAM AND CONE-BEAM IMAGE RECONSTRUCTION USING FILTERED BACKPROJECTION OF DIFFERENTIATED PROJECTION DATA
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机译:利用差分投影数据的反向投影重建扇形和锥束图像
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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.
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