激光雷達點云特征分析與數(shù)據(jù)分割
[Abstract]:Lidar scanning technology is a new means to collect 3D data and reconstruct 3D model. With the development of lidar technology and the demand of 3D model reconstruction in various fields, the processing of point cloud data has become a hot issue at home and abroad. Combined with the fixed ground lidar scanning system and the collected data as the research object, the characteristics of laser radar point cloud and the segmentation algorithm of point cloud data are deeply studied in this paper. In this paper, the principle of lidar scanning system is studied, and the composition of lidar system is introduced. by processing the point cloud data collected and returned by lidar, the software is designed to display the point cloud, and the data is saved as the basis of subsequent data processing and analysis. Secondly, according to the general process of point cloud data processing, the point cloud data preprocessing is completed, and a convenient data set is obtained. Then, the normal and curvature are estimated according to the geometric features of the point cloud, and the descriptors of the point cloud feature histogram are proposed, and the feature points are extracted from the point cloud data according to the normal and curvature features. Finally, the theory of point cloud segmentation is summarized, the algorithm of point cloud data segmentation is analyzed and implemented, and the effect of different algorithms on point cloud data segmentation is compared.
【學位授予單位】:西安電子科技大學
【學位級別】:碩士
【學位授予年份】:2014
【分類號】:TN957.52
【參考文獻】
相關(guān)期刊論文 前9條
1 李娜;馬一薇;楊洋;高晟麗;;利用RANSAC算法對建筑物立面進行點云分割[J];測繪科學;2011年05期
2 丁延輝;邱冬煒;王鳳利;楊銳;;基于地面三維激光掃描數(shù)據(jù)的建筑物三維模型重建[J];測繪通報;2010年03期
3 徐潤君,陳心中;激光雷達在軍事中的應用[J];物理與工程;2002年06期
4 程玉民;;移動最小二乘法研究進展與述評[J];計算機輔助工程;2009年02期
5 張慧娟;耿博;汪國平;;采用張量投票理論的三角網(wǎng)格特征邊提取算法[J];計算機輔助設計與圖形學學報;2011年01期
6 代星;崔漢國;胡懷宇;;基于曲率特征的點云快速簡化算法[J];計算機應用;2009年11期
7 李文姬;鐘約先;袁朝龍;李仁舉;;曲面重構(gòu)中散亂點云數(shù)據(jù)曲率估算算法的研究[J];機械設計與制造;2006年06期
8 吳世雄;王成勇;;散亂噪聲點云的數(shù)據(jù)分割[J];機械工程學報;2007年02期
9 廖麗瓊;白俊松;羅德安;;基于八叉樹及KD樹的混合型點云數(shù)據(jù)存儲結(jié)構(gòu)[J];計算機系統(tǒng)應用;2012年03期
相關(guān)博士學位論文 前7條
1 安毅;三維點云數(shù)據(jù)的幾何特性估算與特征識別[D];大連理工大學;2011年
2 曾齊紅;機載激光雷達點云數(shù)據(jù)處理與建筑物三維重建[D];上海大學;2009年
3 孟娜;基于激光掃描點云的數(shù)據(jù)處理技術(shù)研究[D];山東大學;2009年
4 陳曉清;激光成像雷達目標識別算法研究[D];國防科學技術(shù)大學;2010年
5 魏征;車載LiDAR點云中建筑物的自動識別與立面幾何重建[D];武漢大學;2012年
6 趙煦;基于地面激光掃描點云數(shù)據(jù)的三維重建方法研究[D];武漢大學;2010年
7 梁玉斌;面向建筑測繪的地面激光掃描模式識別方法研究[D];武漢大學;2013年
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