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用智能手机分析饮用水中的自由的彩色QR码
María González-Gómez1, Ismael Benito-Altamirano1,2, Hanna Lizarzaburu-Aguilar1,3
1Department of Electronic and Biomedical Engineering, Universitat de Barcelona, Martí i Franquès 1, 08028 Barcelona, Spain.
Sensors (Basel, Switzerland)
|September 19, 2025
概括
这项研究引入了彩色QR码,使用移动设备准确测量饮用水中的自由 (FC). 这项创新增强了HORECA部门的现场水质监测.
科学领域:
- 分析化学 分析化学
- 计算机视觉 计算机视觉
- 水质监测 水质监测
背景情况:
- 自由 (FC) 对于饮用水安全至关重要,但传统的测量方法通常不适合实时,现场使用.
- 现有的FC检测方法,如BTB条和DPD粉末测试,依赖于视觉色度比较.
- 通常用于数据编码的QR码具有计算机视觉功能,可以用于其他应用,包括色度分析.
研究的目的:
- 开发和验证一种用于量化水中的自由水平的新方法,使用集成到背向兼容的颜色QR码中的色度传感器.
- 在各种现实条件下,包括不同的照明和移动设备捕获场景,评估基于彩色QR码的系统的准确性和可靠性.
- 为现场水质监测提供一个可访问和实用的解决方案,特别是对于HORECA部门.
主要方法:
- 开发定制的颜色QR码,嵌入两种常见的自由测试特有的色度参考:布罗莫提摩尔蓝 (BTB) 条和二甲基-p-二胺 (DPD) 粉末.
- 在不同的照明条件下,将这些彩色QR码暴露在各种水样中,其含有不同度的自由.
- 使用三种不同的移动设备捕捉色度反应的图像,以进行后续分析和与已建立的测量标准进行比较.
主要成果:
- 彩色QR码技术在不同测试场景中成功数字化了BTB条和DPD粉末方法的色度读数.
- 该系统在BTB条形测量方面达到88.10%,在DPD粉末测量方面达到84.62%的显著精度.
- 拟议的方法在各种现实条件下进行测试时显示出强度和可靠性,包括波动的照明和各种移动设备捕捉.
结论:
- 彩色QR码的集成提供了一个可行和准确的方法,用于颜色测量水质测试的数字读数,提高现场监测的可访问性.
- 这项技术显著提高了测量自由水平的实用性,克服了需要专门设备的传统方法的局限性.
- 开发的系统为确保饮用水安全提供了有希望的进步,特别是在酒店/餐厅/咖啡馆 (HORECA) 部门,通过使高效可靠的水质评估成为可能.
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