"Shigeki Shiba,Hiroshi Sagara","Development of Image Reconstruction Technology using Passive Gamma Emission Tomography (3) Image reconstruction of passive gamma-ray source distribution of fuel debris in canister","the 41st Annual Meeting of INMM Japan Chapter",,,,,,2020,Nov. "Takaya Tokuda,Shigeki Shiba,Hiroshi SAGARA","Development of Non-destructive Assay Technique using Passive Neutron Emission Tomography and Applicability for Partial Defect Verification","the 41st Annual Meeting of INMM Japan Chapter",,,,,,2020,Nov. "Shigeki Shiba,Hiroshi Sagara","Development of Image Reconstruction Technology using Passive Gamma Emission Tomography (2) Image Reconstruction of Gamma-ray Sources in Mock-up Fuel Assembly by Bayesian Iterative Approximation using Expectation Image and Image Recognition of Fuel Rods Using CNN","AESJ 2020 Fall Meeting",,,,,,2020,Sept. "Takaya Tokuda,Shigeki Shiba,Hiroshi Sagara","Applicability of Passive Neutron Emission Tomography to spent nuclear fuel assemblies","AESJ 2020 Fall Meeting",,,,,,2020,Sept. "Shigeki Shiba,Hiroshi Sagara","MLEM reconstruction method applied to partial defect verification using simulated data",,"Annals of Nuclear Energy",,"Vol. 139",,,2020,May "Shigeki Shiba,Hiroshi Sagara","Passive Gamma Emission Tomography with Ordered Subset Expectation Maximization Method","ICAPP-2020","ProcD ICAPP-2020",,,,,2020,Mar.