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Iterative Reconstruction Of CT Images Without A Regularization Term
Iterative Reconstruction Of CT Images Without A Regularization Term
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机译:没有正则项的CT图像的迭代重建
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摘要
A method is disclosed for reconstructing image data of an examination object from measured data, wherein the measured data was captured previously during a relative rotary motion between a radiation source of a computed tomography system and the examination object. In at least one embodiment, the measured data is modified to achieve a particular grayscale characteristic of the image data to be reconstructed. The image data is calculated by way of an iterative algorithm using the modified measured data, wherein no arithmetic step for reducing noise is employed in the iterations.
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