Low-count PET image reconstruction based on truncated inverse radon layer and U-shaped network.

Jianbo Ye,Zhonghua Kuang,Yongfeng Yang,Ke Cui,Xiangyu Li

Physics in medicine and biology（2023）

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摘要

The proposed method can directly convert low-count sinograms into PET images, while obtaining improved image quality and having less time consumption than iterative reconstruction algorithms and the state-of-the-art CNN.

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关键词

PET, image reconstruction, deep learning, low-count sinogram, U-shaped network

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