带色彩地面激光雷达点云数据的匀光匀色方法
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同济大学,同济大学,同济大学,同济大学

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P232

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Colored Terrestrial Light Detection and Ranging Point Clouds Dodging Method
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    摘要:

    目前许多地面激光雷达(light detection and ranging, LiDAR)能够获取带有目标色彩信息的点云数据,利用这些数据,可以实现点云模型的精细纹理快速、自动化的生成.但因异站点云数据存在颜色差异,生成的纹理可视化效果并不理想.针对这一问题,根据色彩分量表达与空间坐标的相似性,提出了一种基于色彩坐标转换的点云匀光匀色方法.实验结果表明,异站点云颜色差异得到了较好的修正,生成的纹理效果佳.该方法不仅可用于地面LiDAR数据,对于其他来源的具有颜色信息的地面LiDAR点云数据也可据此进行带色彩点云数据的匀光匀色并生成精细纹理.

    Abstract:

    The colored point clouds can be acquired by terrestrial light detection and ranging (LiDAR). The refined texture can be rapidly and automatically generated by colored point clouds. However, these original colored point clouds of different measurement stations have difference in colors which can lead to an unsatisfied display result of generated texture. According to the approximation between color components and spatial coordinate, a dodging based color coordinate conversion method was proposed for dodging the original colored point clouds. The proposed method was verified by experiments and the results show that the color variation of different measurement stations can be modified and a refined texture can be achieved. In addition to terrestrial LiDAR point clouds, this method can be applied to other kinds of terrestrial LiDAR point clouds with colors.

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郭王,程效军,程小龙,李泉.带色彩地面激光雷达点云数据的匀光匀色方法[J].同济大学学报(自然科学版),2016,44(11):1776~1782

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历史
  • 收稿日期:2015-11-24
  • 最后修改日期:2016-05-23
  • 录用日期:2016-06-23
  • 在线发布日期: 2016-12-02
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