全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

基于区域多次回波点密度分析的城区LiDAR建筑物提取

DOI: 10.6046/gtzyyg.2015.02.05, PP. 29-35

Keywords: LiDAR,数学形态学,点云分类,等高线族,区域多次回波点密度

Full-Text   Cite this paper   Add to My Lib

Abstract:

以正确提取城区LiDAR点云中建筑物为目标,综合利用不同类别目标点云的回波特征以及地形信息,提出了一种基于区域多次回波密度分析的LiDAR点云建筑物提取方法。首先,将点云构建不规则三角网(triangulatedirregularnetwork,TIN),获取封闭的等高线;然后,利用等高线间的拓扑关系得到等高线族区域;最后,统计每一区域的多次回波点云密度信息,通过建筑物和树木区域多次回波点云在区域密度上的巨大差异来识别建筑物点云和树木点云。研究结果表明:该方法既充分利用了建筑物表面与植被间多次回波特性的差异,又不否定建筑物边缘同样存在多次回波的现象;通过封闭的等高线自适应地检测出地物目标的轮廓,弥补了传统LiDAR建筑物提取方法的不足;该方法能够较其他方法更准确地提取建筑物。

References

[1]  Sithole G,Vosselman G.Experimental comparison of filter algorithms for bare-Earth extraction from airborne laser scanning point clouds[J].ISPRS Journal of Photogrammetry and Remote Sensing,2004,59(1/2):85-101.
[2]  张齐勇,岑敏仪,周国清,等.城区LiDAR点云数据的树木提取[J].测绘学报,2009,38(4):330-335. Zhang Q Y,Cen M Y,Zhou G Q,et al.Extracting trees from LiDAR data in urban region[J].Acta Geodaetica et Cartographica Sinica,2009,38(4):330-335.
[3]  许晓东,张小红,程世来.航空LiDAR的多次回波探测方法及其在滤波中的应用[J].武汉大学学报:信息科学版,2007,32(9):778-781. Xu X D,Zhang X H,Cheng S L.Detection of multiple echoes and its application in filtering of airborne LiDAR[J].Geomatics and Information Science of Wuhan University,2007,32(9):778-781.
[4]  张小红.利用机载LiDAR双次回波高程之差分类激光脚点[J].测绘科学,2006,31(4):48-50. Zhang X H.Airborne LiDAR points cloud classification based on difference of twice return pulse heights[J].Science of Surveying and Mapping,2006,31(4):48-50.
[5]  马东洋,尚大帅,保永强.一种基于高程差粗糙度的建筑物激光脚点提取方法[J].测绘科学技术学报,2013,30(2):158-161. Ma D Y,Shang D S,Bao Y Q.A building extraction method based on roughness of height difference for airborne LiDAR point cloud data[J].Journal of Geomatics Science and Technology,2013,30(2):158-161.
[6]  Zhang Z X,Zhang Y J,Zhang J G,et al.Photogrammetric modeling of linear features with generalized point photogrammetry[J].Photogrammetric Engineering and Remote Sensing,2008,74(9):1119- 1127.
[7]  Yang Y,Lin Y.Object-based level set model for building detection in urban area[C]//2009 Urban Remote Sensing Joint Event.Shanghai,China:IEEE,2009.
[8]  徐宏根,王建超,郑雄伟,等.面向对象的植被与建筑物重叠区域的点云分类方法[J].国土资源遥感,2012,24(2):23-27. Xu H G,Wang J C,Zheng X W,et al.Object-based point clouds classification of the vegetation and building overlapped area[J].Remote Sensing for Land and Resources,2012,24(2):23-27.doi:10.6046/gtzyyg.2012.02.05.
[9]  徐文学,杨必胜,魏征,等.多标记点过程的LiDAR点云数据建筑物和树冠提取[J].测绘学报,2013,42(1):51-58. Xu W X,Yang B S,Wei Z,et al.Building and tree crown extraction from LiDAR point cloud data based on multi-marked point process[J].Acta Geodaetica et Cartographica Sinica,2013,42(1):51-58.
[10]  李峰,崔希民,袁德宝,等.利用机载LiDAR点云提取复杂城市建筑物面域[J].国土资源遥感,2013,25(3):85-89. Li F,Cui X M,Yuan D B,et al.Extraction of the building region from airborne LiDAR point clouds under complex urban conditions[J].Remote Sensing for Land and Resources,2013,25(3):85-89.doi:10.6046/gtzyyg.2013.03.15.
[11]  任自珍,岑敏仪,张同刚,等.基于等高线的表面估计滤波方法[J].遥感学报,2009,13(1):91-96. Ren Z Z,Cen M Y,Zhang T G,et al.Filtering method of LiDAR data based on contours[J].Journal of Remote Sensing,2009,13(1):91-96.
[12]  余烨,刘晓平,Buckles B P.基于数据融合的居民区建筑物重建方法研究[J].电子学报,2014,42(2):250-256. Yu Y,Liu X P,Buckles B P.Residential building reconstruction based on data fusion[J].Acta Electronica Sinica,2014,42(2):250-256.
[13]  谢瑞,程效军,管海燕.机载激光扫描与航空影像的融合分类与精度分析[J]. 同济大学学报:自然科学版,2013,41(4):607- 613. Xie R,Cheng X J,Guan H Y.Classification and accuracy analysis of LiDAR and aerial images[J].Journal of Tongji University:Natural Science,2013,41(4):607-613.
[14]  李云帆,龚威平,林俞先,等.LiDAR点云与影像相结合的建筑物轮廓信息提取[J].国土资源遥感,2014,26(2):54-59. Li Y F,Gong W P,Lin Y X,et al.The extraction of building boundaries based on LiDAR point cloud data and imageries[J].Remote Sensing for Land and Resources,2014,26(2):54-59.doi:10.6046/gtzyyg.2014.02.10.
[15]  Zhang K Q,Chen S C,Whitman D,et al.A progressive morphological filter for removing nonground measurements from airborne LiDAR data[J].IEEE Transactions on Geoscience and Remote Sensing,2003,41(4):872-882.
[16]  李勇,吴华意.基于形态学梯度的机载激光扫描数据滤波方法[J].遥感学报,2008,12(4):633-639. Li Y,Wu H Y.Filtering airborne LiDAR data based on morphological gradient[J].Journal of Remote Sensing,2008,12(4):633-639.
[17]  Pfeifer N,Stadler P,Briese C.Derivation of digital terrain models in the SCOP++ environment[C]//OEEPE Workshop on Airborne Laserscanning and Interferometric SAR for Detailed Digital Terrain Models.Stockholm,2001.
[18]  Axelsson P.Processing of laser scanner data algorithms and applications[J].ISPRS Journal of Photogrammetry and Remote Sensing,1999,54(2/3):138-147.
[19]  Shao Y C,Chen L C.Automated searching of ground points from airborne LiDAR data using a climbing and sliding method[J].Photogrammetric Engineering and Remote Sensing,2008,74(5):625-635.
[20]  Chehata N,David N,Bretar F.LiDAR data classification using hierarchical K-Means clustering[J].The International Archives of the Photogrammetry,Remote Sensing and Spatial Information Sciences,2008,37(Part B3b):325-330.
[21]  Zhang J,Li L L,Lu Q P,et al.Contour clustering analysis for building reconstruction from LiDAR data[J].The International Archives of the Photogrammetry,Remote Sensing and Spatial Information Sciences,2008,37(Part B3b):355-360.
[22]  Li L L,Zhang J,Jiang W S.Automatic complex building reconstruction from LiDAR based on hierarchical structure analysis[C]//MIPPR 2009:Pattern Recognition and Computer Vision,74961J.Yichang,China:SPIE,2009.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133