宁夏回族自治区汉延渠管理处,宁夏 银川 750001
尹婷(1972—),女,高级工程师,主要从事农田水利工程建设及水资源管理研究(502189438@qq.com)。
收稿:2025-09-30,
纸质出版:2026-03-25
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尹婷.基于图像智能识别的引黄灌区干渠视频测流方法[J].西北工程技术学报(中英文),2026,25(1):19-26,32.
YIN Ting.Video-Based Discharge Measurement Method for Main Canals in the Yellow River Irrigation District Using Intelligent Image Recognition[J].Journal of Northwest Engineering Technology,2026,25(01):19-26.
尹婷.基于图像智能识别的引黄灌区干渠视频测流方法[J].西北工程技术学报(中英文),2026,25(1):19-26,32. DOI: 10.26974/j.cnki.XBGC.2026.01.003.
YIN Ting.Video-Based Discharge Measurement Method for Main Canals in the Yellow River Irrigation District Using Intelligent Image Recognition[J].Journal of Northwest Engineering Technology,2026,25(01):19-26. DOI: 10.26974/j.cnki.XBGC.2026.01.003.
为探究视频测流技术的测量精度和适应性,以宁夏引黄灌区干渠为对象,根据2个典型断面的视频测流数据,提出基于视频图像智能识别的灌区干渠实时动态测流方法,并结合垂直声学多普勒流量剖面仪(V-ADCP)所得同步流量数据进行对比分析与检验。结果表明,在宽浅断面条件下,视频测流方法具有更好的监测识别精度,偏差范围在
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21.5%~15.2%;当水面存在丰富的纹理和漂浮物时,视频测流精度得到提高,适应性不断增强。研究结果可为宁夏引黄灌区干渠视频测流提供技术参考。
To evaluate the measurement accuracy and adaptability of video-based discharge gauging, this study targets the main canals of the Ningxia Yellow River Diversion Irrigation District. Using video data from two representative cross-sections, it proposed a real-time dynamic discharge measurement method for irrigation canals based on intelligent video-image recognition and validated it against synchronous discharge observations from a vertical acoustic Doppler current profiler (V-ADCP). The results indicate that in wide and shallow cross-sections, the video-based method achieves higher monitoring and recognition accuracy, with relative deviations ranging from
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21.5% to 15.2%. Moreover, when the water surface exhibits abundant texture and floating tracers, measurement accuracy improves and adaptability is further enhanced. These findings provide a technical reference for video-based discharge gauging in the main canals of the Ningxia Yellow River Diversion Irrigation District.
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