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Abstract:
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This research aims to conduct the topographical construction of rivers using LiDAR method for higher accuracy and precision. LiDAR allows topographical construction of rivers with higher accuracy than existing methods, and the accuracy was confirmed by carrying out accuracy comparison with the existing methods and comparative analysis with longitudinal and cross-sectional data of river repair base plan, carried out as the national project.Moreover, the application can be maximized when aero-photography taken is used along with the LiDAR, and we believe that the embodiment of 3D river topography using high accuracy LiDAR in the future will be achieved through the construction of real life-like topography and the use of objective and scientific decision making data, such as river view analysis base on them, river-related disaster prevention, advancement of the existing river measurement method and the basic data of river system development.
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