| 机载LiDAR正射影像镶嵌线智能优化研究 |
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| 引用本文： | 孙杰,马洪超,汤璇.机载LiDAR正射影像镶嵌线智能优化研究[J].武汉大学学报(信息科学版),2011(3):325-328. |
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| 作者姓名： | 孙杰 马洪超 汤璇 |
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| 作者单位： | 武汉大学遥感信息工程学院;武汉军械士官学校; |
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| 基金项目： | 国家863计划资助项目(2006AA12Z101,2009AA12Z107); 国家973计划资助项目(2009CB72400402) |
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| 摘 要： | 在机载LiDAR系统中,将点云数据进行滤波以去除高地物,确定出房屋树木等高出地面的地物的位置记为障碍区域。在配准后的正射影像上,利用改进A*算法自动避开障碍区域选择一条最优化镶嵌线。实验证明,该方法可以准确、智能地对镶嵌线进行优化,改善镶嵌后的影像质量。
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| 关 键 词： | LiDAR 点云 A*算法 正射影像 镶嵌线 |
Optimization of LiDAR System Ortho-image Mosaic Seam-Line |
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| SUN Jie MA Hongchao TANG Xuan.Optimization of LiDAR System Ortho-image Mosaic Seam-Line[J].Geomatics and Information Science of Wuhan University,2011(3):325-328. |
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| Authors: | SUN Jie MA Hongchao TANG Xuan |
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| Institution: | SUN Jie1 MA Hongchao1 TANG Xuan2 (1 School of Remote Sensing and Information Engineering,Wuhan University,129 Luoyu Road,Wuhan 430079,China) (2 Department of Computer,Wuhan Ordriance N.C.O.Academy,1038 East Luoyu Road,Wuhan 430075,China) |
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| Abstract: | A detailed study of choosing the best seam-line in image mosaic was carried out in LiDAR system.The tall ground object marked as obstacle can be identified by filtering laser points.And an improved A algorithm was proposed to make the seam-line keep away from the obstacle in the registered image automatically.We found that this method can optimize the seam-line exactly and intelligently to improve the quality of Ortho-image. |
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| Keywords: | LiDAR cloud points A* algorithm ortho-image seam-line |
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