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48 条 记 录,以下是 1-30

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Watershed Allied Telemetry Experimental Research被引量:307收藏 分享
作者:Li, Xin[1] Li, Xiaowen[4,5] Li, Zengyuan[2] Ma, Mingguo[1] Wang, Jian[1]
机构:Chinese Acad Sci;Chinese Acad Forestry;Univ Elect Sci & Technol China;Chinese Acad Sci;Beijing Normal Univ
来源:JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES  2009
Classification of Land Cover, Forest, and Tree Species Classes with ZiYuan-3 Multispectral and Stereo Data被引量:107收藏 分享
作者:Xie, Zhuli[1,2] Chen, Yaoliang[3,4] Lu, Dengsheng[1,2] Li, Guiying[3,4] Chen, Erxue[5]
机构:Zhejiang A&F Univ;Zhejiang A&F Univ;Fujian Normal Univ;Fujian Normal Univ;Chinese Acad Forestry
来源:REMOTE SENSING  2019
关键词:tree species   classification   ZiYuan-3   stereo image   machine learning  
Estimation of forest above-ground biomass using multi-parameter remote sensing data over a cold and arid area被引量:72收藏 分享
作者:Tian, Xin[1,2] Su, Zhongbo[2] Chen, Erxue[1] Li, Zengyuan[1] van der Tol, Christiaan[2]
机构:Chinese Acad Forestry;Univ Twente;Chinese Acad Meteorol Sci
来源:INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION  2012
关键词:k-NN method   Regression method   Above-ground biomass   Configuration  
Above-Ground Biomass and Biomass Components Estimation Using LiDAR Data in a Coniferous Forest被引量:64收藏 分享
作者:He, Qisheng[1] Chen, Erxue[2] An, Ru[1] Li, Yong[1]
机构:Hohai Univ;Chinese Acad Forestry
来源:FORESTS  2013
关键词:above-ground biomass   biomass components   LiDAR   coniferous forest   Qilian Mountain  
Stratification-Based Forest Aboveground Biomass Estimation in a Subtropical Region Using Airborne Lidar Data被引量:42收藏 分享
作者:Jiang, Xiandie[1,2] Li, Guiying[3,4] Lu, Dengsheng[1,2] Chen, Erxue[5] Wei, Xinliang[1,2]
机构:Zhejiang A&F Univ;Zhejiang A&F Univ;Fujian Normal Univ;Fujian Normal Univ;Chinese Acad Forestry
来源:REMOTE SENSING  2020
关键词:lidar   aboveground biomass   forest types   stratification   linear regression   random forest   subtropical forest  
Estimating zero-plane displacement height and aerodynamic roughness length using synthesis of LiDAR and SPOT-5 data被引量:38收藏 分享
作者:Tian, X.[1,2] Li, Z. Y.[1] van der Tol, C.[2] Su, Z.[2] Li, X.[3]
机构:Chinese Acad Forestry;Univ Twente;Chinese Acad Sci;Chinese Acad Sci;Beijing Inst Space Mech & Elect
来源:REMOTE SENSING OF ENVIRONMENT  2011
关键词:Zero-plane displacement   Aerodynamic roughness length   WATER campaign   LiDAR   SPOT-5   Eddy covariance  
Examining the Roles of Spectral, Spatial, and Topographic Features in Improving Land-Cover and Forest Classifications in a Subtropical Region被引量:36收藏 分享
作者:Yu, Xiaozhi[1,2] Lu, Dengsheng[1,2,3] Jiang, Xiandie[3,4] Li, Guiying[3,4] Chen, Yaoliang[3,4]
机构:Zhejiang A&F Univ;Zhejiang A&F Univ;Fujian Normal Univ;Fujian Normal Univ;Chinese Acad Forestry
来源:REMOTE SENSING  2020
关键词:land-cover classification   subtropical ecosystem   random forest   multiple data sources   data fusion  
Simulation of Forest Carbon Fluxes Using Model Incorporation and Data Assimilation被引量:33收藏 分享
作者:Yan, Min[1] Tian, Xin[1] Li, Zengyuan[1] Chen, Erxue[1] Wang, Xufeng[2]
机构:Chinese Acad Forestry;Chinese Acad Sci;Fuzhou Univ
来源:REMOTE SENSING  2016
关键词:carbon fluxes   model incorporation   data assimilation  
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  
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  
A long-term simulation of forest carbon fluxes over the Qilian Mountains被引量:31收藏 分享
作者:Yan, Min[1] Tian, Xin[1] Li, Zengyuan[1] Chen, Erxue[1] Li, Chunmei[1,2]
机构:Chinese Acad Forestry;Southwest Forestry Univ;Fuzhou Univ
来源:INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION  2016
关键词:MODIS GPP model   Biome-BGC model   Eddy covariance   Dendrochronological data  
In-season biomass estimation of oilseed rape (Brassica napus L.) using fully polarimetric SAR imagery被引量:31收藏 分享
作者:Yang, Hao[1,2,3] Yang, Guijun[1] Gaulton, Rachel[2] Zhao, Chunjiang[1] Li, Zhenhong[2]
机构:Beijing Acad Agr & Forestry Sci;Newcastle Univ;Chinese Acad Forestry;Newcastle Univ;Satellite Applicat Catapult
来源:PRECISION AGRICULTURE  2019
关键词:RADARSAT-2   Biomass   Polarimetric features   Polarimetric decomposition   Rapeseed  
Integration of ZiYuan-3 Multispectral and Stereo Data for Modeling Aboveground Biomass of Larch Plantations in North China被引量:28收藏 分享
作者:Li, Guiying[1,2] Xie, Zhuli[3,4] Jiang, Xiandie[3,4] Lu, Dengsheng[1,2] Chen, Erxue[5]
机构:Fujian Normal Univ;Fujian Normal Univ;Zhejiang A&F Univ;Zhejiang A&F Univ;Chinese Acad Forestry
来源:REMOTE SENSING  2019
关键词:aboveground biomass estimation   data saturation   ZY-3 data   canopy height   larch plantations  
Synchronous estimation of DTM and fractional vegetation cover in forested area from airborne LIDAR height and intensity data被引量:23收藏 分享
作者:Bao YunFei[1,2,3] Cao ChunXiang[1,2] Zhang Hao[1,2] Chen ErXue[4] He QiSheng[1,2,3]
机构:Chinese Acad Sci;Beijing Normal Univ;Chinese Acad Sci;Chinese Acad Forestry;Beijing Normal Univ
来源:SCIENCE IN CHINA SERIES E-TECHNOLOGICAL SCIENCES  2008
关键词:LIDAR   intensity   skewness   synchronous   DTM   fractional vegetation cover  
Synthesis of Leaf-on and Leaf-off Unmanned Aerial Vehicle (UAV) Stereo Imagery for the Inventory of Aboveground Biomass of Deciduous Forests被引量:22收藏 分享
作者:Ni, Wenjian[1,2] Dong, Jiachen[1,2] Sun, Guoqing[3] Zhang, Zhiyu[1] Pang, Yong[4]
机构:Chinese Acad Sci;Univ Chinese Acad Sci;Univ Maryland;Chinese Acad Forestry
来源:REMOTE SENSING  2019
关键词:forest aboveground biomass   stereo imagery   unmanned aerial vehicles   UAV   AGB   leaf-on   leaf-off   inventory  
A Novel Rapid SAR Simulator Based on Equivalent Scatterers for Three-Dimensional Forest Canopies被引量:21收藏 分享
作者:Zeng, Tao[1] Hu, Cheng[1] Sun, Hanwei[2] Chen, Erxue[3]
机构:Beijing Inst Technol;Tsinghua Univ;Chinese Acad Forestry
来源:IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING  2014
关键词:Equivalent scattering model   rapid simulator   raw-signal generation   synthetic aperture radar (SAR)   Three-dimensional forest canopies  
Compact Polarimetric Response of Rape (Brassica napus L.) at C-Band: Analysis and Growth Parameters Inversion被引量:21收藏 分享
作者:Zhang, Wangfei[1,2] Li, Zengyuan[1] Chen, Erxue[1] Zhang, Yahong[2] Yang, Hao[3]
机构:Chinese Acad Forestry;Southwest Forestry Univ;Beijing Acad Agr & Forestry Sci
来源:REMOTE SENSING  2017
关键词:compact polarimetric (CP) SAR   rape   Radarsat-2   day after sowing (DAS)   random forest   Stokes parameters   polarimetric decomposition   backscatter coefficients  
The Complicate Observations and Multi-Parameter Land Information Constructions on Allied Telemetry Experiment (COMPLICATE)被引量:19收藏 分享
作者:Tian, Xin[1,2] Li, Zengyuan[1] Chen, Erxue[1] Liu, Qinhuo[3] Yan, Guangjian[4,5]
机构:Chinese Acad Forestry;Univ Twente;Chinese Acad Sci;Beijing Normal Univ;Beijing Normal Univ
来源:PLOS ONE  2015
Temporal Polarimetric Behavior of Oilseed Rape (Brassica napus L.) at C-Band for Early Season Sowing Date Monitoring被引量:19收藏 分享
作者:Yang, Hao[1,2] Li, Zengyuan[1] Chen, Erxue[1] Zhao, Chunjiang[2] Yang, Guijun[2]
机构:Chinese Acad Forestry;Beijing Acad Agr & Forestry Sci;Univ Tuscia;CNR
来源:REMOTE SENSING  2014
关键词:RADARSAT-2   SAR   sowing dates   polarimetric features   polarimetric decomposition   rapeseed  
Tree Species Classification Using Ground-Based LiDAR Data by Various Point Cloud Deep Learning Methods被引量:19收藏 分享
作者:Liu, Bingjie[1] Huang, Huaguo[1] Su, Yong[2] Chen, Shuxin[3] Li, Zengyuan[3]
机构:Beijing Forestry Univ;Southwest Forestry Univ;Chinese Acad Forestry
来源:REMOTE SENSING  2022
关键词:tree species classification   point cloud deep learning   multi-layer perceptron   convolution   graph   attention   transformer  
Improving Estimation of Forest Canopy Cover by Introducing Loss Ratio of Laser Pulses Using Airborne LiDAR被引量:17收藏 分享
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  
Three-Step Semi-Empirical Radiometric Terrain Correction Approach for PolSAR Data Applied to Forested Areas被引量:17收藏 分享
作者:Zhao, Lei[1] Chen, Erxue[1] Li, Zengyuan[1] Zhang, Wangfei[2] Gu, Xinzhi[1]
机构:Chinese Acad Forestry;Southwest Forestry Univ
来源:REMOTE SENSING  2017
关键词:angular effect   biomass estimation   polarimetric SAR   polarisation orientation angle   terrain correction  
Forest aboveground biomass estimation using polarization coherence tomography and PolSAR segmentation被引量:16收藏 分享
作者:Li, Wenmei[1,2] Chen, Erxue[1] Li, Zengyuan[1] Ke, Yinghai[3] Zhan, Wenfeng[4]
机构:Chinese Acad Forestry;Nanjing Univ Posts & Telecommun;Capital Normal Univ;Nanjing Univ
来源:INTERNATIONAL JOURNAL OF REMOTE SENSING  2015
关键词:Biomass - Budget control - Climate change - Forestry - Image segmentation - Mean square error - Polarimeters - Polarization - Synthetic aperture radar - Tomography  
Reprint of: Estimation of forest above-ground biomass using multi-parameter remote sensing data over a cold and arid area被引量:16收藏 分享
作者:Tian, Xin[1,2] Su, Zhongbo[2] Chen, Erxue[1] Li, Zengyuan[1] van der Tol, Christiaan[2]
机构:Chinese Acad Forestry;Univ Twente;Chinese Acad Meteorol Sci
来源:INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION  2012
关键词:k-NN method   Regression method   Above-ground biomass   Configuration  
Exploring a uniform procedure to map Eucalyptus plantations based on fused medium-high spatial resolution satellite images被引量:15收藏 分享
作者:Chen, Yaoliang[1,2,3] Peng, Zhongwei[1,2] Ye, Yongpeng[1,2] Jiang, Xiandie[1,2] Lu, Dengsheng[1,3]
机构:Fujian Normal Univ;Fujian Normal Univ;Fujian Normal Univ;Chinese Acad Forestry
来源:INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION  2021
关键词:Eucalyptus plantation   Tree species mapping   Robust variables   High spatial resolution images   Random forest  
Discriminative feature constraints via supervised contrastive learning for few-shot forest tree species classification using airborne hyperspectral images被引量:15收藏 分享
作者:Chen, Long[1,2] Wu, Jing[1,2] Xie, Yifan[1,2] Chen, Erxue[3] Zhang, Xiaoli[1,2]
机构:Beijing Forestry Univ;Beijing Forestry Univ;Chinese Acad Forestry
来源:REMOTE SENSING OF ENVIRONMENT  2023
关键词:Supervised contrastive learning   Multiple tree species classification   Prototypical networks   Airborne hyperspectral images   RandAugment  
Mapping multiple tree species classes using a hierarchical procedure with optimized node variables and thresholds based on high spatial resolution satellite data被引量:14收藏 分享
作者:Chen, Yaoliang[1,2] Zhao, Shuai[1,2] Xie, Zhuli[3,4] Lu, Dengsheng[1,2] Chen, Erxue[5]
机构:Fujian Normal Univ;Fujian Normal Univ;Zhejiang A&F Univ;Zhejiang A&F Univ;Chinese Acad Forestry
来源:GISCIENCE & REMOTE SENSING  2020
关键词:Tree species classification   hierarchical classification procedure   variable optimization   threshold optimization   high spatial resolution  
Estimating wheat biomass from GF-3 data and a polarized water cloud model被引量:14收藏 分享
作者:Han, Dong[1,2] Yang, Hao[2] Qiu, Chunxia[1] Yang, Guijun[2] Chen, Erxue[3]
机构:Xian Univ Sci & Technol;Minist Agr China;Chinese Acad Forestry
来源:REMOTE SENSING LETTERS  2019
关键词:Agricultural robots - Biomass - Cloud computing - Mean square error - Remote sensing - Soil moisture - Synthetic aperture radar  
Forest Aboveground Biomass Estimation Using Multi-Features Extracted by Fitting Vertical Backscattered Power Profile of Tomographic SAR被引量:13收藏 分享
作者:Wan, Xiangxing[1,2] Li, Zengyuan[1,2] Chen, Erxue[1,2] Zhao, Lei[1,2] Zhang, Wangfei[3]
机构:Chinese Acad Forestry;Chinese Acad Forestry;Southwest Forestry Univ
来源:REMOTE SENSING  2021
关键词:TomoSAR   forest AGB   backscattered power   forest vertical profile  
The Potential of Forest Biomass Inversion Based on Vegetation Indices Using Multi-Angle CHRIS/PROBA Data被引量:13收藏 分享
作者:Wang, Qiang[1,2,3] Pang, Yong[4] Li, Zengyuan[4] Sun, Guoqing[5] Chen, Erxue[4]
机构:Harbin Inst Technol;Heilongjiang Inst Technol;CUNY Hunter Coll;Chinese Acad Forestry;Univ Maryland
来源:REMOTE SENSING  2016
关键词:multi-angle remote sensing   forest structure information   vegetation indices   forest biomass   Bidirectional Reflectance Distribution Factor  
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