New method for visualizing the dose rate distribution around the Fukushima Daiichi Nuclear Power Plant using artificial neural networks.

Abstract:

:This study proposes a new method of visualizing the ambient dose rate distribution using artificial neural networks (ANNs) from airborne radiation monitoring results. The method was applied to the results of the airborne radiation monitoring which was conducted around the Fukushima Daiichi Nuclear Power Plant by an unmanned aerial vehicle. Much of the survey data obtained in the past were used as the training data for building a network. The number of training cases was related to the error between the ground and converted values by the ANN. The quantitative evaluation index (the root-mean-square error) between the ANN-converted value and the ground-based survey result converged at 200 training cases. This number of training case was considered a rough criterion of the required number of training cases. The reliability of the ANN method was evaluated by comparison with the ground-based survey data. The dose rate map created by the ANNs method reproduced ground-based survey results better than traditional methods.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Sasaki M,Sanada Y,Katengeza EW,Yamamoto A

doi

10.1038/s41598-021-81546-4

subject

Has Abstract

pub_date

2021-01-20 00:00:00

pages

1857

issue

1

issn

2045-2322

pii

10.1038/s41598-021-81546-4

journal_volume

11

pub_type

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