An improved patch-based regularization method for PET image reconstruction

Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China; Chinese Academy of Sciences Key Laboratory of Health Informatics, Shenzhen, China; Key Laboratory for Magnetic Resonance and Multimodality Imaging of Guangdong Province, Shenzhen, China; School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China; Department of Electronic Information Engineering, Nanchang University, Nanchang, China; Department of Nuclear Medicine, Sun Yatsen University Cancer Center, Guangzhou, China; Institute of Biomedical Engineering, Shenzhen Bay Laboratory, Shenzhen, China

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