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本文通过对基于list-mode和sinogram两种数据形式的PET图像EM重建算法的比较,从几个方面介绍了直接采用list-mode数据进行PET图像重建的优点,并对基于list-mode的PET图像重建算法的发展动态进行了评述。
In this paper, by comparing the EM reconstruction algorithm of PET images based on the two data forms of list-mode and sinogram, the advantages of using PET-image data directly from several aspects are introduced. The PET image based on list-mode The development of reconstruction algorithm is reviewed.