RESEARCH CONCERNING HIGH ACCURACY METHOD OF EXTRACTING ROAD FEATURES FROM POINT CLOUD DATA USING PLAN OF COMPLETION DRAWING

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  • 完成平面図に基づいた点群データの地物抽出技術の高精度化に関する研究

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<p> In recent years, with the development of laser measurement technology, the means to measure 3D information of road features as point cloud data has been diversified, and the use of point cloud data has been expected. However, since point cloud data does not hold information about road features indicated by points, it is difficult to operate efficiently according to the application. Therefore, the technology to extract road features from point cloud data is attracting attention. In the existing research, a method to extract road features from point cloud data by referring to outline information described in the plan of completion drawing has been proposed. However, the point cloud data of MMS generally used in the road fields has a problem that the position is shiftting between the point cloud data for each trajectory or the point cloud data and the plan of completion drawing. In this research, we propose an improved accuracy method of extracting road features from point cloud data by registration of this positional shift.</p>

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