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- W2625290171 abstract "Edges in mobile light detection and ranging (lidar) point clouds are important for many applications but usually overlooked. In this letter, we propose a fast edge extraction method for mobile lidar. First, an edge index based on geometric center is introduced and then gradients in unorganized 3-D point clouds are defined. By analyzing the ratio between eigenvalues, edge candidates can be detected. Finally, an edge linking algorithm named graph snapping is proposed. The method is tested extensively and the experimental results demonstrate that the proposed method is able to quickly extract most of 3-D edges with higher accuracy than the existing methods." @default.
- W2625290171 created "2017-06-23" @default.
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- W2625290171 date "2017-08-01" @default.
- W2625290171 modified "2023-10-17" @default.
- W2625290171 title "A Fast Edge Extraction Method for Mobile Lidar Point Clouds" @default.
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- W2625290171 doi "https://doi.org/10.1109/lgrs.2017.2707467" @default.
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