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  • Open Access

    REVIEW

    Seamless Multisource Topo-Bathymetric Elevation Modelling for River Basins: A Review of UAV and USV Integration Techniques

    Kelvin Kang Wee Tang1,*, Muhammad Hafiz Mohd Yatim1, Norhadija Darwin2, Wan Anom Wan Aris1, Sim Ching Yen3, Nurfazira Mohamed Fadil3

    Revue Internationale de Géomatique, Vol.34, pp. 587-602, 2025, DOI:10.32604/rig.2025.065583 - 06 August 2025

    Abstract The integration of Unmanned Aerial Vehicles (UAVs) and Uncrewed Surface Vehicles (USVs) has revolutionized topographic and bathymetric mapping, significantly enhancing the accuracy and efficiency of geospatial data acquisition processes. This innovative approach synergistically combines terrestrial data collected by UAVs with underwater data obtained through USVs, culminating in the creation of unified high-resolution Digital Elevation Models (DEMs) of the river basin region represents a vital step toward understanding the dynamic interactions between land and water bodies. Hence, the seamless Topo-Bathymetric Elevation Model offers a detailed perspective of the river system, supporting informed decision-making in addressing sediment… More >

  • Open Access

    ARTICLE

    Design and Development of Unmanned Surface Vehicle for Meteorological Monitoring

    Dongli Wu1, Yunping Liu2,3,*, Ze Xu2,3, Weiyan Shang4

    Intelligent Automation & Soft Computing, Vol.26, No.5, pp. 1123-1138, 2020, DOI:10.32604/iasc.2020.012757

    Abstract In view of the paucity of hydrometeorological data, inefficiency and high cost of manual detection, a design scheme of meteorological monitoring unmanned surface vehicle (USV) based on STM32 MCU (Microcontroller Unit, which is also known as Single Chip Microcomputer) is proposed in this paper. The path planning is designed by combining the image data acquired by camera with improved RRT-path algorithm (rapidly-exploring random tree algorithm based on auxiliary path), and then motors are controlled so as to realize autonomous cruise control of USV using the incremental PID algorithm. In addition, the design can also realize More >

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