成果/Result
- 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
- 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
- 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
- Compatible Biomass Model with Measurement Error Using Airborne LiDAR Data被引量：52收藏
- 作者：Chen, Xingjing[1,2] Xie, Dongbo[1,2] Zhang, Zhuang[1,2] Sharma, Ram P.[3] Chen, Qiao[1,2]
- 机构：Chinese Acad Forestry;Natl Forestry & Grassland Adm;Tribhuwan Univ
- 来源：REMOTE SENSING 2023
- 关键词：airborne LiDAR tree-components biomass error-in-variable model nonlinear seemingly unrelated regression
- Aboveground Biomass Prediction of Arid Shrub-Dominated Community Based on Airborne LiDAR through Parametric and Nonparametric Methods被引量：52收藏
- 作者：Xie, Dongbo[1,2] Huang, Hongchao[1,2] Feng, Linyan[1,2] Sharma, Ram P.[3] Chen, Qiao[1]
- 机构：Chinese Acad Forestry;Natl Forestry & Grassland Adm;Tribhuwan Univeristy
- 来源：REMOTE SENSING 2023
- 关键词：aboveground biomass LiDAR shrub community desert nonparametric methods
- Estimation of Forest Structural Diversity Using the Spectral and Textural Information Derived from SPOT-5 Satellite Images被引量：46收藏
- 作者：Meng, Jinghui[1] Li, Shiming[2] Wang, Wei[3] Liu, Qingwang[2] Xie, Shiqin[1]
- 机构：Beijing Forestry Univ;Chinese Acad Forestry;State Forestry Adm;W Virginia Univ
- 来源：REMOTE SENSING 2016
- 关键词：uneven-aged forest management forest structural diversity spectral and textural measures Pearson's correlation analysis all subsets multiple linear regression
- 激光雷达森林参数反演研究进展被引量：42收藏
- 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。...
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- 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
- 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
- Mapping Forest Health Using Spectral and Textural Information Extracted from SPOT-5 Satellite Images被引量：28收藏
- 作者：Meng, Jinghui[1] Li, Shiming[2] Wang, Wei[3] Liu, Qingwang[2] Xie, Shiqin[1]
- 机构：Beijing Forestry Univ;Chinese Acad Forestry;State Forestry Adm;West Virginia Univ
- 来源：REMOTE SENSING 2016
- 关键词：forest health spectral and textural measures Pearson's correlation analysis all-subsets regression forest health management
- 机载LIDAR点云数据估测单株木生物量被引量：28收藏
- 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...
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- Prediction of Individual Tree Diameter Using a Nonlinear Mixed-Effects Modeling Approach and Airborne LiDAR Data被引量：26收藏
- 作者：Fu, Liyong[1,2,3] Duan, Guangshuang[2,4] Ye, Qiaolin[5] Meng, Xiang[2,3] Luo, Peng[2]
- 机构：Cent South Univ Forestry & Technol;Chinese Acad Forestry;Natl Forestry & Grassland Adm;Xinyang Normal Univ;Nanjing Forestry Univ
- 来源：REMOTE SENSING 2020
- 关键词：Picea crassifolia Kom random effects calibration leave-one sub-sample plot-out cross- validation prediction accuracy
- Estimating crown width in degraded forest: A two-level nonlinear mixed-effects crown width model for Dacrydium pierrEI and Podocarpus imbricatus in tropical China被引量：23收藏
- 作者：Chen, Qiao[1,5] Duan, Guangshuang[2] Liu, Qingwang[1,4] Ye, Qiaolin[3] Sharma, Ram P.[4]
- 机构：Chinese Acad Forestry;Xinyang Normal Univ;Nanjing Forestry Univ;Tribhuwan Univ;NFGA
- 来源：FOREST ECOLOGY AND MANAGEMENT 2021
- 关键词：Dummy variable modeling Empirical best linear unbiased prediction Heteroscedasticity Random effects Response calibration Variance function
- Nonlinear mixed-effects hEIght to crown base model based on both airborne LiDAR and field datasets for Picea crassifolia Kom trees in northwest China被引量：21收藏
- 作者：Yang, Zhaohui[1,3] Liu, Qingwang[1] Luo, Peng[1] Ye, Qiaolin[2] Sharma, Ram P.[4]
- 机构：Chinese Acad Forestry;Nanjing Forestry Univ;Natl Forestry & Grassland Adm;Tribhuwan Univ
- 来源：FOREST ECOLOGY AND MANAGEMENT 2020
- 关键词：Random effects Heteroscedasticity EBLUP Subject-specific prediction Calibration
- Improving Estimation of Forest Canopy Cover by Introducing Loss Ratio of Laser Pulses Using Airborne LiDAR被引量：17收藏
- 作者：Liu, Qingwang[1,2] Fu, Liyong[3] Wang, Guangxing[4,5] Li, Shiming[3] Li, Zengyuan[3]
- 机构：Chinese Acad Forestry;Southern Illinois Univ;Chinese Acad Forestry;Southern Illinois Univ;Cent South Univ Forestry & Technol
- 来源：IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING 2020
- 关键词：Forestry Laser radar Estimation Biological system modeling Three-dimensional displays Vegetation Lasers Canopy cover (CC) coefficient canopy hEIght model (CHM) hEIght normalized point cloud (NPC) loss ratio of laser pulses
- Prediction of Individual Tree Diameter and HEIght to Crown Base Using Nonlinear Simultaneous Regression and Airborne LiDAR Data被引量：16收藏
- 作者：Yang, Zhaohui[1,2] Liu, Qingwang[1] Luo, Peng[1] Ye, Qiaolin[3] Duan, Guangshuang[1,4]
- 机构：Chinese Acad Forestry;Natl Forestry & Grassland Adm;Nanjing Forestry Univ;Xinyang Normal Univ;Tribhuwan Univ
- 来源：REMOTE SENSING 2020
- 关键词：Picea crassifoliaKom compatible equation nonlinear seemingly unrelated regression error-in-variable modeling leave-one-out cross-validation
- Above-Ground Biomass Estimation for Coniferous Forests in Northern China Using Regression Kriging and Landsat 9 Images被引量：16收藏
- 作者：Jiang, Fugen[1,2,3] Sun, Hua[1] Chen, Erxue[2,3] Wang, Tianhong[1] Cao, Yaling[1]
- 机构：Cent South Univ Forestry & Technol;Chinese Acad Forestry;Natl Forestry & Grassland Adm
- 来源：REMOTE SENSING 2022
- 关键词：above-ground biomass coniferous plantations Landsat 9 machine learning regression kriging
- 无人机激光雷达与摄影测量林业应用研究进展被引量：14收藏
- 作者：刘清旺[1] 李世明[1] 李增元[1] 符利勇[1] 胡凯龙[1,2]
- 机构：中国林业科学研究院资源信息研究所;中国矿业大学地球科学与测绘工程学院
- 来源：《林业科学》 2017
- 关键词：无人机 激光雷达 摄影测量 点云 森林
- 摘要：森林空间结构及动态变化规律对森林经营管理、生态环境建模等具有重要意义,无人机激光雷达与摄影测量能够获取丰富的森林空间结构和类型信息,在单木、林分尺度森林环境长时间序列监测方面具有无可比拟的优势。无人机激光雷达系统一般搭载...
- 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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- Analysis of the Spatial Differences in Canopy HEIght Models from UAV LiDAR and Photogrammetry被引量：12收藏
- 作者：Liu, Qingwang[1,2] Fu, Liyong[1,3] Chen, Qiao[1] Wang, Guangxing[4] Luo, Peng[1]
- 机构：Chinese Acad Forestry;Natl Forestry & Grassland Adm;Natl Forestry & Grassland Adm;Southern Illinois Univ;Tribhuwan Univ
- 来源：REMOTE SENSING 2020
- 关键词：digital surface model digital terrain model canopy hEIght model constrained nEIghbor interpolation ordinary nEIghbor interpolation point cloud density stereo imagery
- Improving Estimation of Tree Parameters by Fusing ALS and TLS Point Cloud Data Based on Canopy Gap Shape Feature Points被引量：12收藏
- 作者：Zhou, Rong[1,2,3] Sun, Hua[1,2,3] Ma, Kaisen[1,2,3,4] Tang, Jie[1,2,3] Chen, Song[1,2,3]
- 机构：Cent South Univ & Technol;Hunan Prov Key Lab Forestry Remote Sensing Based B;Key Lab Natl Forestry & Grassland Adm Forest Resou;Hunan Univ Sci & Technol;Chinese Acad Forestry
- 来源：DRONES 2023
- 关键词：point cloud registration canopy gap terrestrial laser scanning airborne laser scanning tree hEIght
- Tree Recognition on the Plantation Using UAV Images with Ultrahigh Spatial Resolution in a Complex Environment被引量：12收藏
- 作者：Guo, Xuzhan[1,2,3] Liu, Qingwang[1,3] Sharma, Ram P.[4] Chen, Qiao[1,3] Ye, Qiaolin[5]
- 机构：Chinese Acad Forestry;Xinyang Normal Univ;Natl Forestry & Grassland Adm;Tribhuwan Univ;Nanjing Forestry Univ
- 来源：REMOTE SENSING 2021
- 关键词：individual trees crown multi-radius extraction chromatic mapping feature extraction complex environment spectral index
- Airborne LIDAR-Derived Aboveground Biomass Estimates Using a Hierarchical Bayesian Approach被引量：10收藏
- 作者：Wang, Mengxi[1,2] Liu, Qingwang[1] Fu, Liyong[1] Wang, Guangxing[3] Zhang, Xiongqing[2]
- 机构：Chinese Acad Forestry;Chinese Acad Forestry;Southern Illinois Univ Carbondale
- 来源：REMOTE SENSING 2019
- 关键词：hierarchical Bayesian classical method airborne LIDAR data diameter at breast hEIght aboveground biomass
- Optimizing ground photons for canopy hEIght extraction from ICESat-2 data in mountainous dense forests被引量：9收藏
- 作者：Zhao, Ruiqi[1,2] Ni, Wenjian[1,2] Zhang, Zhiyu[1] Dai, Huabing[3] Yang, Chengling[3]
- 机构：Chinese Acad Sci;Univ Chinese Acad Sci;Guangxi Forest Inventory & Planning Inst;Chinese Acad Forestry;Univ Maryland
- 来源：REMOTE SENSING OF ENVIRONMENT 2023
- 关键词：ICESat-2 Mountainous dense forests Canopy hEIghts Ground photons Photon counting ATL08
- Comparison of Coniferous Plantation HEIghts Using Unmanned Aerial Vehicle (UAV) Laser Scanning and Stereo Photogrammetry被引量：8收藏
- 作者：Li, Mei[1,2] Li, Zengyuan[1,2] Liu, Qingwang[1,2] Chen, Erxue[1,2]
- 机构：Chinese Acad Forestry;Natl Forestry & Grassland Adm
- 来源：REMOTE SENSING 2021
- 关键词：forest stand hEIght UAV laser scanning UAV stereo photogrammetry point clouds density CHM metrics
- Feature analysis of LIDAR waveforms from forest canopies被引量：4收藏
- 作者：Liu QingWang[1] Li ZengYuan[1] Chen ErXue[1] Pang Yong[1] Li ShiMing[1]
- 机构：Chinese Acad Forestry
- 来源：SCIENCE CHINA-EARTH SCIENCES 2011
- 关键词：remote sensing forest canopy LIDAR waveform feature solid scatterer
- Forest HEIght Extraction Using GF-7 Very High-Resolution Stereoscopic Imagery and Google earth Multi-Temporal Historical Imagery被引量：4收藏
- 作者：Ni, Wenjian[1,2] Li, Zijia[1,2] Wang, Qiang[3] Zhang, Zhiyu[1] Liu, Qingwang[4]
- 机构：Chinese Acad Sci;Univ Chinese Acad Sci;Heilongjiang Inst Technol;Chinese Acad Forestry;Chinese Acad Forestry
- 来源：JOURNAL OF REMOTE SENSING 2024
- 关键词：Photomapping - Stereo vision - Tropics
- DOMINANT TREES ANALYSIS USING UAV LIDAR AND PHOTOGRAMMETRY被引量：4收藏
- 作者：Liu, Qingwang[1] Li, Shiming[1] Tian, Xin[1] Fu, Liyong[1]
- 机构：Chinese Acad Forestry
- 来源：IGARSS 2020 - 2020 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM 2020
- 关键词：UAV Lidar Photogrammetry CHM
- FOREST HEIGHT ESTIMATION BASED ON UAV LIDAR SIMULATED WAVEFORM被引量：3收藏
- 作者：Chen, Bowei[1] Li, Zengyuan[1] Pang, Yong[1] Liu, Qingwang[1] Gao, Xianlian[2]
- 机构：Chinese Acad Forestry;State Forestry Adm
- 来源：2017 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) 2017
- 关键词：Forest hEIght UAV Lidar waveform simulation Cubist
- 基于机载激光雷达校正的ICESat/GLAS数据森林冠层高度估测被引量：2收藏
- 作者：胡凯龙[1,2] 刘清旺[2] 庞勇[2] 李梅[3] 穆喜云[4]
- 机构：中国矿业大学(北京)地球科学与测绘工程学院;中国林业科学研究院资源信息研究所;中国林业科学研究院荒漠化研究所;赤峰市林业科学研究院森林生态所
- 来源：《农业工程学报》 2017
- 关键词：激光 数据处理 林地 冠层高度 星载激光雷达 点云分类 估测模型 坡度
- 摘要：针对星载激光雷达(geoscience laser altimeter system,GLAS)大光斑属性,该文提出了一种改进后的光斑尺度森林冠层高度估测方法,并分析了复杂地表对其估测精度的影响。首先,对机载lidar点...
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- CHINA TYPICAL FOREST ABOVEGROUND BIOMASS ESTIMATION BY FUSION OF MULTI-PLATFORM DATA被引量：2收藏
- 作者：Pang Yong[1] Li Zengyuan[1] Meng Shili[1,2] Lu Hao[1] Jia Wen[1]
- 机构：Chinese Acad Forestry;Beijing Normal Univ
- 来源：2016 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) 2016
- 关键词：China forest aboveground biomass LiDAR Field-Airborne-Spaceborne (FAS) observation multi-platform
- FOREST CANOPY COVER ANALYSIS USING UAS LIDAR被引量：2收藏
- 作者：Liu, Qingwang[1] Li, Shiming[1] Hu, Kailong[1] Pang, Yong[1] Li, Zengyuan[1]
- 机构：Chinese Acad Forestry
- 来源：2017 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) 2017
- 关键词：UAS LiDAR forest canopy cover NPC CHM
- FOREST CANOPY GAP DYNAMICS BASED ON TIME-SERIES OF AIRBORNE LIDAR DATA被引量：2收藏
- 作者：Li, Shiming[1] Liu, Qingwang[1] Li, Zengyuan[1] Qi, Zhiyong[1] Si, Lin[1]
- 机构：Chinese Acad Forestry;China Acad Launch Vehicle Technol
- 来源：2022 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS 2022) 2022
- 关键词：forest canopy gap gap dynamics airborne lidar fixed-hEIght threshold
