该方法利用相关系数来检测高低能正弦图投影角度方向的相对位移。
According to the proposed algorithm, the relative displacement on the projection angle of high and low sinograms is detected using correlation coefficient.
在PET重建的迭代过程中，此种负反馈迭代算法利用最近的一次重建图像来更新有噪声的探测到的发射正弦图数据。
Methods the CF iterative algorithm was applied to update the noisy detected emission sinogram data using the latest reconstructed image in the iterative process of PET reconstruction.
现在让我们来考察最简单的波形，它的剖面图是正弦或余弦曲线。
Let's now examine the simplest wave from where the profile is a sine or cosine curve.
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