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Radio Frequency Identification Gate System to Identify Misused Personal Dosimeters.

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Title: Radio Frequency Identification Gate System to Identify Misused Personal Dosimeters.
Authors: Tamura, Megumi1 sawatamu@hiroshima-u.ac.jp, Kawamoto, Takeshi2, Ishifuro, Minoru3,4, Tamura, Takayuki5, Masumoto, Yoshifumi1, Kenjo, Masahiro6, Kiguchi, Masao1, Awai, Kazuo7, Nagata, Yasushi6,8
Source: Journal of Medical Systems. 10/18/2023, Vol. 47 Issue 1, p1-6. 6p. 1 Black and White Photograph, 3 Diagrams, 2 Charts.
Subjects: Industrial safety, Wearable technology, Protective clothing, Occupational exposure, Radio frequency identification systems, Electromagnetic fields, Dosimeters, Research funding, Radiation doses, Descriptive statistics, Sensitivity & specificity (Statistics)
Abstract: The use of two personal dosimeters, one worn over and one worn under a protective apron, provides the best estimate of effective dose. However, inappropriate positioning of dosimeters is a common occurrence, resulting in abnormally high or low radiation exposure records. Although such incorrect positioning can be identified by radiation exposure records, doing so is time-consuming and labor-intensive for administrators. Therefore, a system that can identify incorrect locations of dosimeters without burdening administrators must be developed. In this study, we developed a radio frequency identification (RFID) gate system that can differentiate between two RFID-tagged dosimeters placed over and under a metal apron and identify misused dosimeters. To simulate the position of the RFID-tagged dosimeters, we designed four dosimeter-wearing classes, including "proper use" and three types of "misuse" (i.e., "reversed," "both under," and "both over"). When the system predicts "misuse" based on the tag reading, the worker is alerted with lights and alarms. The system performance was evaluated using a confusion matrix, with an overall accuracy of 97.75%, demonstrating high classification performance. The safety of the system against life support devices was also investigated, demonstrating that they were not affected by the electric field at 0.3 m or more from the antenna of the system under any transmit powers tested. This RFID gate system is highly capable of identifying incorrectly positioned dosimeters, enabling real-time monitoring of dosimeters to manage their positioning. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Medical Systems is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Radio Frequency Identification Gate System to Identify Misused Personal Dosimeters.
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  Data: <searchLink fieldCode="AR" term="%22Tamura%2C+Megumi%22">Tamura, Megumi</searchLink><relatesTo>1</relatesTo><i> sawatamu@hiroshima-u.ac.jp</i><br /><searchLink fieldCode="AR" term="%22Kawamoto%2C+Takeshi%22">Kawamoto, Takeshi</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Ishifuro%2C+Minoru%22">Ishifuro, Minoru</searchLink><relatesTo>3,4</relatesTo><br /><searchLink fieldCode="AR" term="%22Tamura%2C+Takayuki%22">Tamura, Takayuki</searchLink><relatesTo>5</relatesTo><br /><searchLink fieldCode="AR" term="%22Masumoto%2C+Yoshifumi%22">Masumoto, Yoshifumi</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Kenjo%2C+Masahiro%22">Kenjo, Masahiro</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22Kiguchi%2C+Masao%22">Kiguchi, Masao</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Awai%2C+Kazuo%22">Awai, Kazuo</searchLink><relatesTo>7</relatesTo><br /><searchLink fieldCode="AR" term="%22Nagata%2C+Yasushi%22">Nagata, Yasushi</searchLink><relatesTo>6,8</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Medical+Systems%22">Journal of Medical Systems</searchLink>. 10/18/2023, Vol. 47 Issue 1, p1-6. 6p. 1 Black and White Photograph, 3 Diagrams, 2 Charts.
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  Data: <searchLink fieldCode="DE" term="%22Industrial+safety%22">Industrial safety</searchLink><br /><searchLink fieldCode="DE" term="%22Wearable+technology%22">Wearable technology</searchLink><br /><searchLink fieldCode="DE" term="%22Protective+clothing%22">Protective clothing</searchLink><br /><searchLink fieldCode="DE" term="%22Occupational+exposure%22">Occupational exposure</searchLink><br /><searchLink fieldCode="DE" term="%22Radio+frequency+identification+systems%22">Radio frequency identification systems</searchLink><br /><searchLink fieldCode="DE" term="%22Electromagnetic+fields%22">Electromagnetic fields</searchLink><br /><searchLink fieldCode="DE" term="%22Dosimeters%22">Dosimeters</searchLink><br /><searchLink fieldCode="DE" term="%22Research+funding%22">Research funding</searchLink><br /><searchLink fieldCode="DE" term="%22Radiation+doses%22">Radiation doses</searchLink><br /><searchLink fieldCode="DE" term="%22Descriptive+statistics%22">Descriptive statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Sensitivity+%26+specificity+%28Statistics%29%22">Sensitivity & specificity (Statistics)</searchLink>
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  Data: The use of two personal dosimeters, one worn over and one worn under a protective apron, provides the best estimate of effective dose. However, inappropriate positioning of dosimeters is a common occurrence, resulting in abnormally high or low radiation exposure records. Although such incorrect positioning can be identified by radiation exposure records, doing so is time-consuming and labor-intensive for administrators. Therefore, a system that can identify incorrect locations of dosimeters without burdening administrators must be developed. In this study, we developed a radio frequency identification (RFID) gate system that can differentiate between two RFID-tagged dosimeters placed over and under a metal apron and identify misused dosimeters. To simulate the position of the RFID-tagged dosimeters, we designed four dosimeter-wearing classes, including "proper use" and three types of "misuse" (i.e., "reversed," "both under," and "both over"). When the system predicts "misuse" based on the tag reading, the worker is alerted with lights and alarms. The system performance was evaluated using a confusion matrix, with an overall accuracy of 97.75%, demonstrating high classification performance. The safety of the system against life support devices was also investigated, demonstrating that they were not affected by the electric field at 0.3 m or more from the antenna of the system under any transmit powers tested. This RFID gate system is highly capable of identifying incorrectly positioned dosimeters, enabling real-time monitoring of dosimeters to manage their positioning. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Journal of Medical Systems is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s10916-023-02002-6
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      – Code: eng
        Text: English
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        PageCount: 6
        StartPage: 1
    Subjects:
      – SubjectFull: Industrial safety
        Type: general
      – SubjectFull: Wearable technology
        Type: general
      – SubjectFull: Protective clothing
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      – SubjectFull: Occupational exposure
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      – SubjectFull: Radio frequency identification systems
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      – SubjectFull: Electromagnetic fields
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      – SubjectFull: Dosimeters
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      – SubjectFull: Radiation doses
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      – SubjectFull: Descriptive statistics
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      – SubjectFull: Sensitivity & specificity (Statistics)
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              Text: 10/18/2023
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