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Method for reconstructing CT image data with weighted backprojection, including computation unit and CT system for the method
Method for reconstructing CT image data with weighted backprojection, including computation unit and CT system for the method
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机译:加权反投影重建CT图像数据的方法,包括计算单元和方法
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摘要
A method, a computation unit and a CT system are disclosed for reconstructing CT image data, which includes a plurality of image voxels, by way of a weighted filtered back-projection. To weight the projection data during the filtered back-projection, a weight function is used, which weights the projection data from central beams which strike a detector row relatively close to the edge of the row relatively less, and which weights the projection data of central beams, which strike a detector row more relatively centrally, relatively more.
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