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Best practices for standardized performance testing of infrared thermographs intended for fever screening

机译：用于发热筛查的红外温度计标准化性能测试的最佳实践

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摘要

Infrared (IR) modalities represent the only currently viable mass fever screening approaches for outbreaks of infectious disease pandemics such as Ebola virus disease and severe acute respiratory syndrome. Non-contact IR thermometers (NCITs) and IR thermographs (IRTs) have been used for fever screening in public areas such as airports. While NCITs remain a more popular choice than IRTs, there has been increasing evidences in the literature that IRTs can provide great accuracy in estimating body temperature if qualified systems are used and appropriate procedures are consistently applied. In this study, we addressed the issue of IRT qualification by implementing and evaluating a battery of test methods for objective, quantitative assessment of IRT performance based on a recent international standard (IEC 80601-2-59). We tested two commercial IRTs to evaluate their stability and drift, image uniformity, minimum resolvable temperature difference, and radiometric temperature laboratory accuracy. Based on these tests, we illustrated how experimental and data processing procedures could affect results, and suggested methods for clarifying and optimizing test methods. Overall, the insights into thermograph standardization and acquisition methods provided by this study may improve the utility of IR thermography and aid in comparing IRT performance, thus improving the potential for producing high quality disease pandemic countermeasures.
机译：红外线（IR）方式代表唯一可行的肉体发烧筛查方法，用于脱毛疾病的爆发，如埃博拉病毒疾病和严重的急性呼吸综合征。非接触式IR温度计（NCITS）和IR温度计（IRS）已被用于在机场等公共区域发烧筛选。虽然NCITS仍然比IRT更受欢迎，但在文献中，如果使用合格系统并且一致地应用适当的手术，IRTS可以在估计体温方面提供高精度。在这项研究中，我们通过在最近的国际标准（IEC 80601-2-59）的客观评估IRT绩效的客观评估电池来解决IRT资质问题。我们测试了两种商业污秽，以评估它们的稳定性和漂移，图像均匀性，最小可解变温度差和辐射温度实验室精度。基于这些测试，我们说明了如何影响实验和数据处理程序如何影响结果，并提出了用于澄清和优化测试方法的方法。总的来说，本研究提供的温度计标准化和采集方法的见解可以改善IR热成像的效用，并有助于对IRT性能进行比较，从而改善生产高质量疾病大流行对策的可能性。

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