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math.OC2021
Convergence Rate of Accelerated Average Consensus with Local Node Memory: Optimization and Analytic Solutions
Jing-Wen Yi, Li Chai, Jingxin Zhang
Previous researches have shown that adding local memory can accelerate the consensus. It is natural to ask questions like what is the fastest rate achievable by the -tap memory…
eess.IV2021
PET Image Reconstruction with Multiple Kernels and Multiple Kernel Space Regularizers
Shiyao Guo, Yuxia Sheng, Shenpeng Li +2
Kernelized maximum-likelihood (ML) expectation maximization (EM) methods have recently gained prominence in PET image reconstruction, outperforming many previous state-of-the-art m…