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Two-Phase Multi-Dose-Level PET Image Reconstruction with Dose Level Awareness
April 11, 2024, 4:45 a.m. | Yuchen Fei, Yanmei Luo, Yan Wang, Jiaqi Cui, Yuanyuan Xu, Jiliu Zhou, Dinggang Shen
cs.CV updates on arXiv.org arxiv.org
Abstract: To obtain high-quality positron emission tomography (PET) while minimizing radiation exposure, a range of methods have been designed to reconstruct standard-dose PET (SPET) from corresponding low-dose PET (LPET) images. However, most current methods merely learn the mapping between single-dose-level LPET and SPET images, but omit the dose disparity of LPET images in clinical scenarios. In this paper, to reconstruct high-quality SPET images from multi-dose-level LPET images, we design a novel two-phase multi-dose-level PET reconstruction algorithm …
abstract arxiv cs.cv current eess.iv however image images learn low mapping pet quality standard type
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