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Enzhan Zhang, Liang Li, Weiche Huang, Yucheng Jia, Minghu Zhang, Faming Kang and Hu Da
Large-scale particle image velocimetry (LSPIV) is a computer vision-based technique renowned for its precise and efficient measurement of river surface velocity. However, a crucial prerequisite for utilizing LSPIV involves camera calibration. Conventiona...
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Evangelos Rozos, Panayiotis Dimitriadis, Katerina Mazi, Spyridon Lykoudis and Antonis Koussis
Image velocimetry is a popular remote sensing method mainly because of the very modest cost of the necessary equipment. However, image velocimetry methods employ parameters that require high expertise to select appropriate values in order to obtain accur...
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Mahmood M. Al-mamari, Sameh A. Kantoush, Sohei Kobayashi, Tetsuya Sumi and Mohamed Saber
Flash floods in wadi systems discharge large volumes of water to either the sea or the desert areas after high-intensity rainfall events. Recently, wadi flash floods have frequently occurred in arid regions and caused damage to roads, houses, and propert...
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Wei-Che Huang, Chih-Chieh Young and Wen-Cheng Liu
An automated discharge imaging system (ADIS), which is a non-intrusive and safe approach, was developed for measuring river flows during flash flood events. ADIS consists of dual cameras to capture complete surface images in the near and far fields. Surf...
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Tommaso Moramarco, Silvia Barbetta, Angelica Tarpanelli
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A new methodology for estimating the discharge starting from the monitoring of surface flow velocity, usurf, is proposed. The approach, based on the entropy theory, involves the actual location of maximum flow velocity, umax, which may occur below the wa...
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Ichiro Fujita
The space time image velocimetry (STIV) technique is presented and shown to be a useful tool for extracting river flow information non-intrusively simply by taking surface video images. This technique is applied to measure surface velocity distributions ...
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Gábor Fleit, Sándor Baranya, Nils Rüther, Hans Bihs, Tamás Krámer, János Józsa
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Waves induced by ship movement might be harmful for the habitat in the littoral zone of rivers due to the temporally increasing bed shear stress, the high-energy breaking waves and the consequently related detachment of benthic animals. In order to under...
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