星载激光测高全波形分解的建筑物高度提取Building height extraction with full waveform decomposition of spaceborne laser altimetry
谭建伟,程春泉,杨书成,徐志达,程国旗
摘要(Abstract):
针对全波形分解中弱子波形提取困难和建筑高度反演精度不高等问题,该文根据回波特征信息结合高分辨率影像分析城区不同建筑结构的回波特征,采用渐进剥离的全波形分解方法精确提取回波信号中的弱子波形及分量参数,并反演平顶和斜顶建筑的相对高度值,最后将实地测量值与建筑高度估算值进行线性回归分析,并与直接利用原始GLAS数据估算结果相比,该文方法的平均误差和均方根误差值分别下降了26.5%和25.6%,相关系数和拟合优度分别提升了0.55%和1.1%,结果表明该文方法在提取城区建筑高度方面具有一定的适用性和可靠性。
关键词(KeyWords): 全波形分解;建筑高度;回波特征;高分辨率影像;渐进剥离
基金项目(Foundation): 高分辨率对地观测系统重大专项(30-Y20A15-9003-17/18);; 中国测绘科学研究院基本科研业务费项目(7771808);中国测绘科学研究院基本科研项目(AR1924)
作者(Author): 谭建伟,程春泉,杨书成,徐志达,程国旗
DOI: 10.16251/j.cnki.1009-2307.2020.10.015
参考文献(References):
- [1] HENRIQUEZ C,AZOCAR G,ROMERO H.Monitoring and modeling the urban growth of two mid-sized Chilean cities[J].Habitat International,2006,30(4):945-964.
- [2] YU X J,NG C N.Spatial and temporal dynamics of urban sprawl along two urban-rural transects:a case study of Guangzhou,China[J].Landscape and Urban Planning,2007,79(1):96-109.
- [3] ALEXANDER C,SMITH V S,JARVIS C,et al.Integrating building footprints and LiDAR elevation data to classify roof structures and visualize buildings[J].Computers Environment and Urban Systems,2009,33(4):285-292.
- [4] BRUNNER D,LEMOINE G,BRUZZONE L,et al.Building height retrieval from VHR SAR imagery based on an iterative simulation and matching technique[J].IEEE Transactions on Geoscience and Remote Sensing,2010,48(3):1487-1504.
- [5] MENG X,WANG L,CURRIT N.Morphology-based building detection from airborne LiDAR data[J].Photogrammetric Engineering and Remote Sensing,2009,75(4):437-442.
- [6] TSION C,TUPIN F,MAITRE H.A fusion scheme for joint retrieval of urban height map and classification from high resolution interferometric SAR images[J].IEEE Transactions on Geoscience and Remote Sensing,2007,45(2):496-505.
- [7] 范春波,李建成,王丹,等.ICESAT/GLAS激光脚点定位及误差分析[J].大地测量与地球动力学,2007,27(1):104-106.(FAN Chunbo,LI Jiancheng,WANG Dan,et al.ICESAT/GLAS laser footprint geolocation and error analysis[J].Journal of Geodesy and Geodynamics,2007,27(1):104-106.)
- [8] GONG P,LI Z,HUANG H B,et al.ICESat GLAS data for urban environment monitoring[J].IEEE Transactions on Geoscience and Remote Sensing,2011,49(3):1158-1172.
- [9] 王成,习晓环,骆社周,等.星载激光雷达数据处理与应用[M].北京:科学出版社,2015.(WANG Cheng,XI Xiaohuan,LUO Shezhou,et al.The processing and application of spaceborne LiDAR data[M].Beijing:Science Press,2015.)
- [10] 李鹏程,徐青,邢帅,等.采用Levenberg Marquardt逐步递进波形分解方法[J].测绘科学技术学报,2015,32(3):256-261.(LI Pengcheng,XU Qing,XING Shuai,et al.Step progressive decomposition of full waveform data using Levenberg Marquardt[J].Journal of Geomatics Science and Technology,2015,32(3):256-261.)
- [11] MALLET C,BRETAR F.Full-waveform topographic LiDAR:state-of-the-art[J].ISPRS Journal of Photogrammetry and Remote Sensing,2009,64(1):1-16.
- [12] 吴金汝,王新闯,陆凤连,等.利用波形去噪算法的森林最大冠顶高估测研究[J].测绘科学,2017,42(7):22-29.(WU Jinru,WANG Xinchuang,LU Fenglian,et al.Research on ICESAT-GLAS waveform denoising algorithm and forest maximum crown height estimation[J].Science of Surveying and Mapping,2017,42(7):22-29.)
- [13] 赖旭东,秦楠楠,韩晓爽,等.一种迭代的小光斑LiDAR波形分解方法[J].红外与毫米波学报,2013,32(4):319-324.(LAI Xudong,QIN Nannan,HAN Xiaoshuang,et al.Iterative decomposition method for small foot-print LiDAR waveform[J].Journal of Infrared and Millimeter Waves,2013,32(4):319-324.)
- [14] 李国元,崔成玲,陈继溢,等.一种改进的卫星激光测高全波形高斯分解方法[J].测绘科学,2018,43(10):117-124.(LI Guoyuan,CUI Chengling,CHEN Jiyi,et al.An improved method of Gaussian decomposition of satellite laser altimeter full waveform data[J].Science of Surveying and Mapping,2018,43(10):117-124.)
- [15] DRAKE J B,DUBAYAH R O,CLARK D B,et al.Estimation of tropical forest structural characteristics using large footprint LiDAR[J].Remote Sensing of Environment,2002,79(2):305-319.
- [16] ENBLE F,HEINZEL J,KOCH B.Accuracy of vegetation height and terrain elevation derived from ICESat/GLAS in forested areas[J].International Journal of Applied Earth Observation and Geoinformation,2014,31:34-44.