2020 Fall Meeting

Presentation information

Oral presentation

IV. Nuclear Plant Technologies » 404-1 Techniques for Non-Proliferation, Safeguards and Nuclear Security

[1J05-07] Nuclear Non-proliferation and Nuclear Security Technology 2

Wed. Sep 16, 2020 11:10 AM - 12:05 PM Room J (Zoom room 10)

Chair:Yoshiki Kimura(JAEA)

11:40 AM - 11:55 AM

[1J07] 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

*SHIGEKI SHIBA1, Hiroshi Sagara1 (1. Tokyo Institute of Technology)

Keywords:Convolutional Neural Network, Passive gamma emission tomography, Maximum A Posteriori estimation using Expectation Maximization algorithm, Water Water Enegetic Reactor

使用済燃料の部分欠損検認のために推定画像を用いたベイズ型逐次近似法に基づくパッシブγ線断層撮影技術を開発し、欠損燃料棒を含むモックアップ燃料集合体内のパッシブγ線源分布の画像再構成、及び欠損燃料棒の判別のための畳み込みニューラルネットワークを用いた画像解析を実施した。