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150 条 记 录,以下是 1-30

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Remote sensing of the terrestrial carbon cycle: A review of advances over 50 years被引量:379收藏 分享
作者:Xiao, Jingfeng[1] Chevallier, Frederic[2] Gomez, Cecile[3] Guanter, Luis[4] Hicke, Jeffrey A.[5]
机构:Univ New Hampshire;Univ Paris Saclay;Univ Montpellier;Univ Politecn Valencia;Univ Idaho
来源:REMOTE SENSING OF ENVIRONMENT  2019
关键词:Carbon fluxes   Carbon stocks   Optical remote sensing   Microwave remote sensing   Lidar   Solar-induced chlorophyll fluorescence   Carbon cycling   Aboveground biomass   Disturbance   Carbon-climate feedbacks  
Mapping urban tree species using integrated airborne hyperspectral and LiDAR remote sensing data被引量:188收藏 分享
作者:Liu, Luxia[1,4] Coops, Nicholas C.[2] Aven, Neal W.[3] Pang, Yong[4]
机构:Anhui Agr Univ;Univ British Columbia;Pk Div;Chinese Acad Forestry
来源:REMOTE SENSING OF ENVIRONMENT  2017
关键词:Urban tree species classification   Airborne LiDAR   Airborne hyperspectral   Random forest   British Columbia, Canada  
Characterizing forest canopy structure with lidar composite metrics and machine learning被引量:141收藏 分享
作者:Zhao, Kaiguang[1,2] Popescu, Sorin[3] Meng, Xuelian[4] Pang, Yong[5] Agca, Muge[3]
机构:Duke Univ;Duke Univ;Texas A&M Univ;Ohio State Univ;Chinese Acad Forestry
来源:REMOTE SENSING OF ENVIRONMENT  2011
关键词:Lidar   Laser scanner   Canopy   Biomass   Carbon   Machine learning   Gaussian process   Support vector machine   Forest fuel  
利用机载激光雷达数据提取单株木树高和树冠被引量:98收藏 分享
作者:刘清旺[1] 李增元[1] 陈尔学[1] 庞勇[1] 武红敢[1]
机构:中国林业科学研究院资源信息研究所
来源:《北京林业大学学报》  2008
关键词:激光雷达  激光应用  单株木  树高  树冠  双正切角树冠识别算法  
摘要:机载激光雷达是一种主动遥感技术。在林业应用方面,高采样密度激光雷达能够获取单株木三维结构特征,采用不同的数据处理方法,可以得到不同精度的单株木参数。该文利用高采样密度的机载激光雷达数据(离散回波,平均激光点间隔0.52 ...
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LiCHy: The CAF's LiDAR, CCD and Hyperspectral Integrated Airborne Observation System被引量:72收藏 分享
作者:Pang, Yong[1,2] Li, Zengyuan[1,2] Ju, Hongbo[1,2] Lu, Hao[1] Jia, Wen[1]
机构:Chinese Acad Forestry;State Forestry Adm China;Chinese Acad Sci;Chinese Acad Sci
来源:REMOTE SENSING  2016
关键词:airborne remote sensing   forest structure   waveform LiDAR   CCD   imaging spectroscopy   multi-angle  
Hyperion高光谱数据森林郁闭度定量估测研究被引量:70收藏 分享
作者:谭炳香[1] 李增元[1] 陈尔学[1] 庞勇[1] 雷渊才[1]
机构:中国林业科学研究院资源信息研究所
来源:《北京林业大学学报》  2006
关键词:高光谱遥感  森林郁闭度  Hyperion  PCA  
摘要:该文探讨和评价了利用星载EO-1 Hyperion高光谱遥感数据定量估测森林郁闭度的能力.高光谱数据光谱特征空间降维采用两种方式,一种是光谱特征选择的波段选择法(BS),另一种是光谱特征提取的主成分变换法(PCA).从森...
其他来源数据库:万方期刊数据库同方期刊数据库
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Validation of the ICEsat vegetation product using crown-area-wEIghted mean hEIght derived using crown delineation with discrete return lidar data被引量:61收藏 分享
作者:Pang, Yong[1,2] Lefsky, Michael[1] Andersen, Hans-Erik[3] Miller, Mary Ellen[1] Sherrill, Kirk[1]
机构:Colorado State Univ;Chinese Acad Forestry;US Forest Serv
来源:CANADIAN JOURNAL OF REMOTE SENSING  2008
关键词:Aneroid altimeters - Forestry - Radio altimeters - Vegetation  
Impact of footprint diameter and off-nadir pointing on the precision of canopy hEIght estimates from spaceborne lidar被引量:59收藏 分享
作者:Pang, Yong[1,2] Lefsky, Michael[1] Sun, Guoqing[3] Ranson, Jon[4]
机构:Colorado State Univ;Chinese Acad Forestry;Univ Maryland;NASA
来源:REMOTE SENSING OF ENVIRONMENT  2011
关键词:Spaceborne lidar   Lidar waveform simulation   Off-nadir pointing   Footprint diameter   Canopy hEIght   DESDynI   ICESat-II  
A Kernel-Driven BRDF Approach to Correct Airborne Hyperspectral Imagery over Forested Areas with Rugged Topography被引量:43收藏 分享
作者:Jia, Wen[1] Pang, Yong[1] Tortini, Riccardo[2] Schlaepfer, Daniel[3] Li, Zengyuan[1]
机构:Chinese Acad Forestry;Univ Calif Los Angeles;ReSe Applicat LLC;Univ Paul Sabatier
来源:REMOTE SENSING  2020
关键词:airborne hyperspectral image   BRDF correction   rugged topography   kernel-driven   remote sensing   MODIS  
激光雷达森林参数反演研究进展被引量:42收藏 分享
作者:李增元[1] 刘清旺[1] 庞勇[1]
机构:中国林业科学研究院资源信息研究所林业遥感与信息技术重点开放性实验室
来源:《遥感学报》  2016
关键词:激光雷达  森林  单木  林分  
摘要:激光雷达通过发射激光能量和接收返回信号的方式,来获取高精度的森林空间结构和林下地形信息。全波形激光雷达通过记录返回信号的全部能量,得到亚米级植被垂直剖面;离散回波激光雷达记录的单个或多个回波,表示来自不同冠层的回波信号。...
其他来源数据库:万方期刊数据库同方期刊数据库
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Mapping Three-Dimensional Structures of Forest Canopy Using UAV Stereo Imagery: Evaluating Impacts of Forward Overlaps and Image Resolutions With LiDAR Data as Reference被引量:39收藏 分享
作者:Ni, Wenjian[1] Sun, Guoqing[2] Pang, Yong[3] Zhang, Zhiyu[1] Liu, Jianli[1]
机构:Chinese Acad Sci;Univ Maryland;Chinese Acad Forestry
来源:IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING  2018
关键词:Computer vision   forest vertical structure   forward overlap   image resolution   photogrammetry   point cloud   stereo images   unmanned aerial vehicle (UAV)  
Tree mortality in response to climate change induced drought across BEIjing, China被引量:39收藏 分享
作者:Zhang, Xiongqing[1,2] Lei, Yuancai[2] Pang, Yong[2] Liu, Xianzhao[2] Wang, Jinzeng[3]
机构:Chinese Acad Forestry;Chinese Acad Forestry;Beijing Forestry Survey & Design Inst
来源:CLIMATIC CHANGE  2014
关键词:Drought - Ecosystems - Forestry - Population statistics  
A LiDAR biomass index-based approach for tree- and plot-level biomass mapping over forest farms using 3D point clouds被引量:38收藏 分享
作者:Du, Liming[1,2] Pang, Yong[1,2] Wang, Qiang[3] Huang, Chengquan[4] Bai, Yu[1,2]
机构:Chinese Acad Forestry;Natl Forestry & Grassland Adm;Heilongjiang Inst Technol;Univ Maryland;Chinese Acad Forestry
来源:REMOTE SENSING OF ENVIRONMENT  2023
关键词:ALS   LiDAR Biomass Index (LBI)   Aboveground biomass (AGB)   Individual tree level  
Individual Tree Classification Using Airborne LiDAR and Hyperspectral Data in a Natural Mixed Forest of Northeast China被引量:37收藏 分享
作者:Zhao, Dan[1,2] Pang, Yong[2] Liu, Lijuan[3,4] Li, Zengyuan[2]
机构:Chinese Acad Sci;Chinese Acad Forestry;Zhejiang A&F Univ;Zhejiang A&F Univ
来源:FORESTS  2020
关键词:individual tree classification   LiDAR   hyperspectral   SVM   natural forest  
Individual Tree Crown Segmentation of a Larch Plantation Using Airborne Laser Scanning Data Based on Region Growing and Canopy Morphology Features被引量:35收藏 分享
作者:Ma, Zhenyu[1,2] Pang, Yong[1] Wang, Di[3] Liang, Xiaojun[1] Chen, Bowei[1,4]
机构:Chinese Acad Forestry;Univ Freiburg;Aalto Univ;Chinese Acad Sci;Beijing Forestry Univ
来源:REMOTE SENSING  2020
关键词:light detection and ranging (LiDAR)   airborne laser scanning (ALS)   individual tree crown (ITC) segmentation   larch plantation   region growing   canopy morphology  
Evaluation of nonlinear equations for predicting diameter from tree hEIght被引量:35收藏 分享
作者:Bi, Huiquan[1,2] Fox, Julian C.[2] Li, Yun[3] Lei, Yuancai[4] Pang, Yong[4]
机构:New S Wales Dept Primary Ind;Univ Melbourne;Beijing Forestry Univ;Chinese Acad Forestry
来源:CANADIAN JOURNAL OF FOREST RESEARCH  2012
关键词:Exponential functions - Forecasting - Forestry - Function evaluation - Laser applications - Petroleum reservoir evaluation - WEIbull distribution  
Filling invalid values in a lidar-derived canopy hEIght model with morphological crown control被引量:35收藏 分享
作者:Zhao, Dan[1] Pang, Yong[1] Li, Zengyuan[1] Sun, Guoqing[2]
机构:Chinese Acad Forestry;Univ Maryland
来源:INTERNATIONAL JOURNAL OF REMOTE SENSING  2013
关键词:Charge coupled devices - Filling - Forestry - Mathematical operators - Median filters  
Mapping Aboveground Biomass using Texture Indices from Aerial Photos in a Temperate Forest of Northeastern China被引量:34收藏 分享
作者:Meng, Shili[1] Pang, Yong[2] Zhang, Zhongjun[1] Jia, Wen[2] Li, Zengyuan[2]
机构:Beijing Normal Univ;Chinese Acad Forestry
来源:REMOTE SENSING  2016
关键词:FOTO indices   LiDAR   SVR   aerial photos   temperate forest   high spatial resolution image   AGB  
Development of a System of Compatible Individual Tree Diameter and Aboveground Biomass Prediction Models Using Error-In-Variable Regression and Airborne LiDAR Data被引量:33收藏 分享
作者:Fu, Liyong[1] Liu, Qingwang[1] Sun, Hua[2,3] Wang, Qiuyan[1] Li, Zengyuan[1]
机构:Chinese Acad Forestry;Cent South Univ Forestry & Technol;Key Lab Forestry Remote Sensing Based Big Data &;Xinyang Normal Univ;Southern Illinois Univ
来源:REMOTE SENSING  2018
关键词:airborne LiDAR   diameter at breast hEIght   aboveground biomass   error-in-variable models   leave-one-out cross-validation  
Separating Tree Photosynthetic and Non-Photosynthetic Components from Point Cloud Data Using Dynamic Segment Merging被引量:33收藏 分享
作者:Wang, Di[1] Brunner, Jasmin[1] Ma, Zhenyu[2] Lu, Hao[3] Hollaus, Markus[1]
机构:TU Wien;Chinese Acad Forestry;Beijing Forestry Univ
来源:FORESTS  2018
关键词:Laser scanning   dynamic segmentation   point classification   pattern recognition   wood-leaf classification  
Estimation of Forest Aboveground Biomass and Leaf Area Index Based on Digital Aerial Photograph Data in Northeast China被引量:33收藏 分享
作者:Li, Dan[1,2] Gu, Xingfa[1] Pang, Yong[3] Chen, Bowei[3] Liu, Luxia[4]
机构:Chinese Acad Sci;Univ Chinese Acad Sci;Chinese Acad Forestry;Anhui Agr Univ
来源:FORESTS  2018
关键词:digital aerial photograph   aboveground biomass   leaf area index   photogrammetric point cloud   recursive feature elimination   machine-learning  
Forest stand biomass estimation using ALOS PALSAR data based on LiDAR-derived prior knowledge in the Qilian Mountain, western China被引量:32收藏 分享
作者:He, Qi-Sheng[1,2,3] Cao, Chun-Xiang[1] Chen, Er-Xue[4] Sun, Guo-Qing[1] Ling, Fei-Long[4]
机构:Inst Remote Sensing Applicat Chinese Acad Sci & B;Hohai Univ;Chinese Acad Sci;Chinese Acad Forestry
来源:INTERNATIONAL JOURNAL OF REMOTE SENSING  2012
关键词:Backscattering - Forestry - Optical radar - Polarization - Synthetic aperture radar  
Extraction of ground surface elevation from ZY-3 winter stereo imagery over deciduous forested areas被引量:31收藏 分享
作者:Ni, Wenjian[1] Sun, Guoqing[2] Ranson, Kenneth Jon[3] Pang, Yong[4] Zhang, Zhiyu[1]
机构:Chinese Acad Sci;Univ Maryland;NASA;Chinese Acad Forestry;Tech Univ Munich
来源:REMOTE SENSING OF ENVIRONMENT  2015
关键词:Dense deciduous forest   Forest hEIght   Ground surface elevation   Stereo imagery   ZY-3   Photogrammetry  
Lidar biomass index: A novel solution for tree-level biomass estimation using 3D crown information被引量:31收藏 分享
作者:Wang, Qiang[1] Pang, Yong[2,3] Chen, Dongsheng[4,5] Liang, Xiaojun[2,3] Lu, Jun[2]
机构:Heilongjiang Inst Technol;Chinese Acad Forestry;NFGA;NFGA;Chinese Acad Forestry
来源:FOREST ECOLOGY AND MANAGEMENT  2021
关键词:Terrestrial laser scanning   Biomass   Tree crown   Lidar Biomass Index (LBI)   Allometric model  
Isolating individual trees in a closed coniferous forest using small footprint lidar data被引量:29收藏 分享
作者:Zhao, Dan[1,2] Pang, Yong[2] Li, Zengyuan[2] Liu, Lijuan[3,4]
机构:Chinese Acad Sci;Chinese Acad Forestry;Zhejiang A&F Univ;Zhejiang A&F Univ
来源:INTERNATIONAL JOURNAL OF REMOTE SENSING  2014
关键词:Optical radar - Watersheds  
机载LIDAR点云数据估测单株木生物量被引量:28收藏 分享
作者:刘清旺[1] 李增元[1] 陈尔学[1] 庞勇[1] 田昕[1]
机构:中国林业科学研究院资源信息研究所林业遥感与信息技术重点开放性实验室;中国科学院遥感应用研究所遥感科学国家重点实验室
来源:《高技术通讯》  2010
关键词:激光雷达(LIDAR)  树高  冠幅  胸径(DBH)  相关生长方程  生物量  青海云杉  
摘要:使用黑河流域遥感-地面观测同步试验获取的机载激光雷达(LIDAR)点云数据估测了典型树种的单株木生物量。首先由点云数据生成冠层高度模型(CHM),然后采用优化的单株木树冠特征识别算法估测相关的结构参数,最后通过回归分析建...
其他来源数据库:万方期刊数据库同方期刊数据库
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A clustering-based automatic registration of UAV and terrestrial LiDAR forest point clouds被引量:25收藏 分享
作者:Chen, Junhua[1,2] Zhao, Dan[1,2] Zheng, Zhaoju[1] Xu, Cong[1,2] Pang, Yong[3,4]
机构:Chinese Acad Sci;Univ Chinese Acad Sci;Chinese Acad Forestry;Natl Forestry & Grassland Adm
来源:COMPUTERS AND ELECTRONICS IN AGRICULTURE  2024
关键词:Terrestrial laser scanning   Unmanned aerial vehicle   Registration   LiDAR point clouds   Hierarchical clustering   Forest vertical structure  
Dislocation Detection of Shield Tunnel Based on Dense Cross-Sectional Point Clouds被引量:24收藏 分享
作者:Du, Liming[1] Zhong, Ruofei[2] Sun, Haili[2] Pang, Yong[1] Mo, You[3,4]
机构:Chinese Acad Forestry;Capital Normal Univ;China Aero Geophys Survey;Remote Sensing Ctr Nat Resources
来源:IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS  0
关键词:Point cloud compression   Monitoring   Measurement by laser beam   Geophysical measurements   Data acquisition   Public transportation   Clustering algorithms   Shield tunnel   cross sectional point clouds   dislocation   filtering   circumferential joint   longitudinal joint  
Optimization of Geoscience Laser Altimeter System waveform metrics to support vegetation measurements被引量:23收藏 分享
作者:Miller, Mary Ellen[1] Lefsky, Michael[1] Pang, Yong[1,2]
机构:Colorado State Univ;Chinese Acad Forestry
来源:REMOTE SENSING OF ENVIRONMENT  2011
关键词:Lidar   Canopy hEIght   ICESat GLAS   Optimization   Remote sensing   Vegetation structure  
Prediction of Diameter Distributions with Multimodal Models Using LiDAR Data in Subtropical Planted Forests被引量:22收藏 分享
作者:Zhang, Zhengnan[1] Cao, Lin[1] Mulverhill, Christopher[2] Liu, Hao[1] Pang, Yong[3]
机构:Nanjing Forestry Univ;Univ British Columbia;Chinese Acad Forestry
来源:FORESTS  2019
关键词:diameter distribution   LiDAR   WEIbull   finite mixture model   KNN   Lorenz curves   planted forests  
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