The Discussion Group of X-Ray Analysis, The Japan Society for Analytical Chemistry

13:30 – 14:20

Em. Prof. Piet Van Espen, University of Antwerp, Belgium

“Scanning macro x-ray fluorescence (MA-XRF) for cultural heritage studies: data acquisition, analysis and storage challenges”

In MAXRF a mm-sized beam is scanned over a surface and fluorescent x-rays from the elements in the sample are recorded at equidistant intervals resulting in a pixel map with in each pixel an x-ray spectrum. The last decennium we have seen a spectacular growth in the use of MAXRF especially for the investigation of works of art, e.g. paintings on canvas. The method produces several gigabytes of x-ray data, i.e. millions of spectra that need to be: a) acquired reliable in the shortest possible time, b)evaluated as accurate as possible and c) archived as secure as possible. These challenges, requiring the re-thinking of data acquisition, analysis and storage in x-ray fluorescence, will be discussed and possible solution will be given. The method will be illustrated with recent results obtained in our lab.

14:30 – 15:00

町田昌彦博士 日本原子力研究開発機構システム計算科学センター センター長

「線源逆推定と蛍光 X 線スペクトル迅速分析に向けた機械学習の研究開発」

15:10 – 15:40

松山嗣史博士 大阪公立大学大学院工学研究科特任助教

「ベイズ推定を用いた蛍光 X 線スペクトル予測と迅速蛍光 X 線イメージング」

2022年8月2日（火）～4日（木）　※ハイブリッド開催

2020年9月9日（水）～11日（金）　「オンライン開催」で開催