基于图像分析的水质智能监测
Han Zhou1, Jun Qiu2, Hou-Liang Lu1
1College of Water Resources & Civil Engineering, China Agricultural University, Beijing 100083, China.
Journal of contaminant hydrology
|September 2, 2023
概括
本研究引入了一种新的基于摄像机的方法,用于连续监测河流水质量,克服传统方法的局限性. 该方法提供了准确,低成本和动态的检测,特别是对于较小的河流.
科学领域:
- 环境科学 环境科学
- 遥感 遥感 遥感 遥感
- 水质监测 水质监测
背景情况:
- 传统的水质监测面临着空间和时间的局限性,特别是对于中小型河流.
- 卫星遥感在图像采集时间和空间覆盖方面也有局限性.
研究的目的:
- 开发摄像头图像的标准化方法,以实现持续的水质监测.
- 提出一个具有成本效益的算法,用于使用摄像头数据进行实时移动水质估计.
主要方法:
- 开发了一个标准化算法来纠正相机图像中的光,阴影,反射和表面干扰的变化.
- 根据水体从标准化图像的全面外观创建了一个估计算法.
主要成果:
- 与水文监测站相比,开发的模型显示出高精度.
- 该方法在动态检测和监测中小型水体方面被证明是有效的.
结论:
- 这种基于摄像头的方法为传统的水质检测方法提供了有价值的补充.
- 该技术可实现实时,移动和连续的水质监测,为动态和小规模评估带来重大优势.
相关概念视频
Testing Water Quality
135
When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
135
Quality of Water
122
In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
122


