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Fourier and spline-based reconstruction of helical CT images
Fourier and spline-based reconstruction of helical CT images
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机译：基于傅里叶和样条的螺旋CT图像重建
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摘要
A method and apparatus are provided for reconstructing a set of CT images from helical CT data. The method includes the steps of receiving the helical CT data and generating a set of fan-beam sinograms at equally spaced longitudinal positions. The method further includes the steps of estimating a set of parallel-beam sinograms from the generated set of fan-beam sinograms and reconstructing the CT images using a parallel beam reconstruction algorithm.
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