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79 条 记 录,以下是 1-30

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Quantitative estimation of the factors impacting spatiotemporal variation in NPP in the Dongting Lake wetlands using Landsat time series data for the last two decades被引量:47收藏 分享
作者:Zhang, Meng[1,2,3] Yuan, Naiquan[4] Lin, Hui[1,2,3] Liu, Yang[5] Zhang, Huaiqing[5]
机构:Cent South Univ & Technol;State Forestry Adm Forest Resources Management &;Key Lab Forestry Remote Sensing Based Big Data &;Hunan Acad Geosci Planning & Design Co Led;Chinese Acad Forestry
来源:ECOLOGICAL INDICATORS  2022
关键词:Wetland   Net primary productivity   CASA   Partial derivatives   Climate factors   Anthropogenic factors  
A variable precision rough set approach to the remote sensing land use/cover classification被引量:35收藏 分享
作者:Pan, Xin[1,2,3] Zhang, Shuqing[1] Zhang, Huaiqing[4] Na, Xiaodong[1,2] Li, Xiaofeng[1]
机构:Chinese Acad Sci;Chinese Acad Sci;Changchun Inst Technol;Chinese Acad Forestry
来源:COMPUTERS & GEOSCIENCES  2010
关键词:Remote sensing classification   Knowledge discovery   Overlapping data   Variable precision rough sets   VPRS  
Analysis of long-term wetland variations in China using land use/land cover dataset derived from Landsat images被引量:24收藏 分享
作者:An, Xuexian[1,2,3] Jin, Wenping[4] Zhang, Huaiqing[5] Liu, Yang[5] Zhang, Meng[1,2,3]
机构:Cent South Univ Forestry & Technol;State Forestry Adm Forest Resources Management & M;Key Lab Forestry Remote Sensing Based Big Data & E;Hunan Inst Surveying & Mapping Technol;Chinese Acad Forestry
来源:ECOLOGICAL INDICATORS  2022
关键词:Wetland   LULC data   Spatio-temporal changes   Drive mechanism   NPP   China  
Classification of Paddy Rice Using a Stacked Generalization Approach and the Spectral Mixture Method Based on MODIS Time Series被引量:23收藏 分享
作者:Zhang, Meng[1] Zhang, Huaiqing[2] Li, Xinyu[1] Liu, Yang[2] Cai, Yaotong[1]
机构:Cent South Univ Forestry & Technol;Chinese Acad Forestry
来源:IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING  2020
关键词:Lakes   MODIS   Vegetation mapping   Wetlands   Indexes   Classification algorithms   Time series analysis   Moderate Resolution Imaging Spectralradiometer (MODIS) time series   paddy rice   phonological variables   spectral mixture   stack generalization  
多源数据林地类型的精细分类方法被引量:21收藏 分享
作者:任冲[1] 鞠洪波[1] 张怀清[1] 黄建文[1] 郑应选[2]
机构:中国林业科学研究院资源信息研究所;甘肃省小陇山林业调查规划院
来源:《林业科学》  2016
关键词:多源数据  精细分类  多层次信息提取  多分类器组合  林地类型  
摘要:【目的】探讨复杂中山区域、多源数据支持下,高空间分辨率遥感影像林地类型层次化精细分类方法,以促进高分辨率遥感数据在森林资源调查与监测方面的深入应用。【方法】以嘉陵江上游甘肃省小陇山林业实验局百花林场为研究区,以SPOT5...
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Spatiotemporal changes of wetlands in China during 2000-2015 using Landsat imagery被引量:19收藏 分享
作者:Zhang, Meng[1,2,3,4] Zhang, Huaiqing[2] Yao, Bo[2,5] Lin, Hui[1,3,4] An, Xuexian[1,3,4]
机构:Cent South Univ Forestry & Technol;Chinese Acad Forestry;Key Lab Forestry Remote Sensing Based Big Data & E;Key Lab State Forestry Adm Forest Resources Manage;Tongfang Knowledge Network Beijing Technol Co Ltd
来源:JOURNAL OF HYDROLOGY  2023
关键词:Wetland mapping   Landsat   Object-oriented and hierarchical classification   method   Spatiotemporal change   China  
Mapping Mangrove Using a Red-Edge Mangrove Index (REMI) Based on Sentinel-2 Multispectral Images被引量:18收藏 分享
作者:Chen, Zhaojun[1] Zhang, Meng[1] Zhang, Huaiqing[2] Liu, Yang[2]
机构:Cent South Univ Forestry & Technol;Chinese Acad Forestry
来源:IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING  2023
关键词:Vegetation mapping   Indexes   Monitoring   Forestry   Ecosystems   Sea measurements   Soft sensors   Hainan island   mangrove   red-edge mangrove index (REMI)   Sentinel-2   vegetation index  
Retrieval and Accuracy Assessment of Tree and Stand Parameters for Chinese Fir Plantation Using Terrestrial Laser Scanning被引量:14收藏 分享
作者:Sun, Hua[1] Wang, Guangxing[1,2] Lin, Hui[1] Li, Jiping[1] Zhang, Huaiqing[3]
机构:Cent South Univ Forestry & Technol;South Illinois Univ;Chinese Acad Forestry
来源:IEEE GEOSCIENCE AND REMOTE SENSING LETTERS  2015
关键词:Accuracy assessment   estimation   point cloud data   terrestrial laser scanning (TLS)   tree and stand parameters  
A New Tree-Level Multi-Objective Forest Harvest Model (MO-PSO): Integrating NEIghborhood Indices and PSO Algorithm to Improve the Optimization Effect of Spatial Structure被引量:12收藏 分享
作者:Qiu, Hanqing[1,2,3] Zhang, Huaiqing[1,2,3] Lei, Kexin[1,2,3] Hu, Xingtao[4] Yang, Tingdong[1,2,3]
机构:Chinese Acad Forestry;NFGA;Natl Long term Sci Res Base Huangfengqiao Forest M;Guizhou Normal Univ
来源:FORESTS  2023
关键词:forest planning   stand spatial structure   selection thinning priority   PSO algorithm   nEIghborhood-based indices  
Forest digital twin: A new tool for forest management practices based on Spatio-Temporal Data, 3D simulation Engine, and intelligent interactive environment被引量:11收藏 分享
作者:Qiu, Hanqing[1,2,4] Zhang, Huaiqing[1,2,4] Lei, Kexin[1,2,4] Zhang, Huacong[1,2,3] Hu, Xingtao[1,2,4]
机构:Chinese Acad Forestry;Natl Forestry & Grassland Adm;Chinese Acad Forestry;Natl Long Term Sci Res Base Huangfengqiao Forest M
来源:COMPUTERS AND ELECTRONICS IN AGRICULTURE  2023
关键词:Forest digital twin   Stand spatial structure   forest 3D visualization   Unreal engine   Forest management practices  
Very High Resolution Images and Superpixel-Enhanced Deep Neural Forest Promote Urban Tree Canopy Detection被引量:10收藏 分享
作者:Liu, Yang[1,2,3] Zhang, Huaiqing[1,2,3] Cui, Zeyu[1,2,3] Lei, Kexin[1,2,3] Zuo, Yuanqing[1,2,3]
机构:Chinese Acad Forestry;Natl Forestry & Grassland Adm;Dongting Lake Remote Sensing Prod Validat Stn;Guizhou Normal Univ
来源:REMOTE SENSING  2023
关键词:VHR   urban tree canopy   superpixel-enhanced deep neural forest   remote sensing  
Spatiotemporal disturbances and attribution analysis of mangrove in southern China from 1986 to 2020 based on time-series Landsat imagery被引量:8收藏 分享
作者:Long, Kexin[1,2,3] Chen, Zhaojun[1,2,3] Zhang, Huaiqing[4] Zhang, Meng[1,2,3]
机构:Cent South Univ Forestry & Technol;Key Lab State Forestry Adm Forest Resources Manage;Key Lab Forestry Remote Sensing Based Big Data & E;Chinese Acad Forestry
来源:SCIENCE OF THE TOTAL ENVIRONMENT  2024
关键词:Mangrove   Change detection   Attribution   Landsat   LandTrendr   Random forest  
A two-dimensional four-quadrant assessment method to explore the spatiotemporal coupling and coordination relationship of human activities and ecological environment被引量:7收藏 分享
作者:Lei, Kexin[1,2] Zhang, Huaiqing[1,2] Qiu, Hanqing[1,2] Liu, Yang[1,2] Wang, Jiansen[1,2]
机构:Chinese Acad Forestry;Natl Forestry & Grassland Adm;Univ Hawaii Manoa
来源:JOURNAL OF ENVIRONMENTAL MANAGEMENT  2024
关键词:Human activities   Eco-environment condition   Two dimensional four quadrant   Coupling coordination relationship  
基于地面激光扫描数据的单木分枝结构参数自动提取被引量:7收藏 分享
作者:刘金鹏[1] 张怀清[1] 刘闽[1] 李永亮[1]
机构:中国林业科学研究院资源信息研究所
来源:《林业科学》  2016
关键词:地面三维激光扫描  骨架模型  枝长  形态结构  分枝角度  
摘要:【目的】应用地面激光扫描(TLS)数据提取单木点云骨架模型,提出一种基于骨架模型的单木分枝结构及枝长、分枝角度信息自动提取方法,为单木参数化建模与森林可视化模拟提供数据基础,并丰富林业参数调查手段。【方法】应用地面激光扫...
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Tree-Level Chinese Fir Detection Using UAV RGB Imagery and YOLO-DCAM被引量:6收藏 分享
作者:Wang, Jiansen[1,2] Zhang, Huaiqing[1,2] Liu, Yang[1,2] Zhang, Huacong[1,2,3] Zheng, Dongping[4]
机构:Chinese Acad Forestry;Natl Forestry & Grassland Adm;Chinese Acad Forestry;Univ Hawaii Manoa
来源:REMOTE SENSING  2024
关键词:YOLOv5   individual tree detection   planted forests   Chinese fir   deformable convolution   attention mechanism  
Evolutionary characteristics of carbon sources/sinks in Chinese terrestrial ecosystems regarding to temporal effects and geographical partitioning被引量:5收藏 分享
作者:Qi, Shuaiyang[1,2,3] Zhang, Huaiqing[4] Zhang, Meng[1,2,3]
机构:Cent South Univ Forestry & Technol;Key Lab State Forestry Adm Forest Resources Manage;Key Lab Forestry Remote Sensing Based Big Data & E;Chinese Acad Forestry
来源:ECOLOGICAL INDICATORS  2024
关键词:Net ecosystem productivity   Carbon sinks   Geographical partitioning   Spatiotemporal evolution   Temporal effect  
A Novel Framework for Stratified-Coupled BLS Tree Trunk Detection and DBH Estimation in Forests (BSTDF) Using Deep Learning and Optimization Adaptive Algorithm被引量:5收藏 分享
作者:Zhang, Huacong[1,2,3] Zhang, Huaiqing[1,3] Xu, Keqin[2] Li, Yueqiao[2] Wang, Linlong[1,3]
机构:Chinese Acad Forestry;Chinese Acad Forestry;NFGA
来源:REMOTE SENSING  2023
关键词:BSTDF   WCF-CACL-RandLA-Net   LAS-RANSAC   BLS   DBH   tree trunk detection   forestry inventory  
A Novel Strategy for Constructing Large-Scale Forest Scene: Integrating Forest Hierarchical Models and Tree Growth Models to Improve the Efficiency and Stability of Forest Polymorphism Simulation被引量:4收藏 分享
作者:Lei, Kexin[1,2] Zhang, Huaiqing[1,2] Qiu, Hanqing[1,2] Yang, Tingdong[1,2] Liu, Yang[1,2]
机构:Chinese Acad Forestry;Natl Forestry & Grassland Adm
来源:FORESTS  2023
关键词:large-scale forest scenes   stand structure   forest hierarchical model   dynamic visualization simulation of growth  
Visual Simulation Research on Growth Polymorphism of Chinese Fir Stand Based on Different Comprehensive Grade Models of Spatial Structure Parameters被引量:4收藏 分享
作者:Hu, Xingtao[1,2,3,4] Zhang, Huaiqing[1,3,4] Yang, Guangbin[2] Qiu, Hanqing[1,3,4] Lei, Kexin[1,3,4]
机构:Chinese Acad Forestry;Guizhou Normal Univ;NFGA;Natl Long Term Sci Res Base Huangfengqiao Forest M
来源:FORESTS  2023
关键词:tree polymorphism   forest spatial structure grade   growth model   visual simulation   Cunninghamia lanceolata  
Three-Dimensional Visualization Simulation of Chinese Fir Stand Growth Based on Unity3D被引量:4收藏 分享
作者:Li, Sijia[1] Zhang, Huaiqing[1] Li, Yongliang[1] Yang, Tingdong[1] Shen, Kang[1]
机构:Chinese Acad Forestry
来源:2018 3RD INTERNATIONAL CONFERENCE ON MECHANICAL, CONTROL AND COMPUTER ENGINEERING (ICMCCE)  2018
关键词:stand growth   visualization simulation   model dissection   Hegyi competition index  
Precise Wetland Mapping in Southeast Asia for the Ramsar Strategic Plan 2016-24被引量:3收藏 分享
作者:Liu, Yang[1,2,3] Zhang, Huaiqing[1,2,3] Cui, Zeyu[1,2,3] Zuo, Yuanqing[1,2,3] Lei, Kexin[1,2,3]
机构:Chinese Acad Forestry;Natl Forestry & Grassland Adm;Dongting Lake Remote Sensing Prod Validat Stn;NFGSDC
来源:REMOTE SENSING  2022
关键词:Southeast Asia   wetland   Ramsar   SDG   GEE   Sentinel-2   wetland cover map   the Ramsar strategic plan 2016-24  
3D Visual Simulation of Chinese Fir Based on the Influence of Different Stand Spatial Structures被引量:3收藏 分享
作者:Ma, Zaiyang[1] Zhang, Huaiqing[1] Li, Yongliang[1] Yang, Tingdong[1] Huang, Ruirong[1]
机构:Chinese Acad Forestry
来源:2017 2ND INTERNATIONAL CONFERENCE ON IMAGE, VISION AND COMPUTING (ICIVC 2017)  2017
关键词:spatial structure   3D tree modeling   visualization  
Comprehensive Decision Index of Logging (CDIL) and Visual Simulation Based on Horizontal and Vertical Structure Parameters被引量:3收藏 分享
作者:Lei, Kexin[1,2,3] Zhang, Huaiqing[1,2,3] Qiu, Hanqing[1,2] Liu, Yang[1,2,3] Hu, Xingtao[1,2,3,4]
机构:Chinese Acad Forestry;NFGA;Natl Long Term Sci Res Base Huangfengqiao Forest M;Guizhou Normal Univ
来源:FORESTS  2023
关键词:stand spatial structure   comprehensive decision index of logging (CDIL)   stand structure adjustment   visual simulation  
Study on the Dynamic Monitoring and Succession Analysis of Wetland Types in Dongting Lake Area被引量:2收藏 分享
作者:Zhang Huaiqing[1] Zhu Xiaorong[1]
机构:Chinese Acad Forestry
来源:2009 2ND IEEE INTERNATIONAL CONFERENCE ON COMPUTER SCIENCE AND INFORMATION TECHNOLOGY, VOL 3  2009
关键词:Dongting Lake   Wetland   Remote sensing monitoring   Returning Farmland to Lake  
The Extraction of Individual Tree-crown in Aerial Digital Camera Imagery被引量:2收藏 分享
作者:Zhao, Feng[1] Zhang, Huaiqing[1] Li, Zengyuan[1] Pang, Yong[1]
机构:Chinese Acad Forestry
来源:FIFTH INTERNATIONAL CONFERENCE ON FUZZY SYSTEMS AND KNOWLEDGE DISCOVERY, VOL 3, PROCEEDINGS  2008
关键词:Antennas - Classification (of information) - Computer circuits - Extraction - Fuzzy logic - Fuzzy systems - Image segmentation - Membership functions - Remote sensing  
Mangrove mapping in China using Gaussian mixture model with a novel mangrove index (SSMI) derived from optical and SAR imagery被引量:2收藏 分享
作者:Chen, Zhaojun[1,2,3] Zhang, Huaiqing[4] Zhang, Meng[1,2,3] Wu, Yehong[1,2,3] Liu, Yang[4]
机构:Cent South Univ Forestry & Technol;Key Lab State Forestry Adm Forest Resources Manage;Key Lab Forestry Remote Sensing Based Big Data & E;Chinese Acad Forestry
来源:ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING  2024
关键词:Mangrove mapping   Mangrove index   Optical   SAR   Gaussian mixture model  
Wetland Information Extraction of the East Dongting Lake using Mean Shift Segmentation被引量:2收藏 分享
作者:Hu, Jia[1,2] Zhang, HuaiQing[1] Ling, ChengXing[1] Lin, Hui[2] Sun, Hua[2]
机构:Chinese Acad Forestry;CSUFT;SIUC
来源:2014 THIRD INTERNATIONAL WORKSHOP ON EARTH OBSERVATION AND REMOTE SENSING APPLICATIONS (EORSA 2014)  2014
关键词:Information extraction   Mean shift segmentation   the East Dongting Lake   Wetland  
A Novel 3D Tree-Modeling Method of Incorporating Small-Scale Spatial Structure Parameters in a Heterogeneous Forest Environment被引量:2收藏 分享
作者:Wang, Linlong[1,2,3] Zhang, Huaiqing[1,3] Zhang, Huacong[1,4] Yang, Tingdong[1,3] Zhang, Jing[1,3]
机构:Chinese Acad Forestry;Chinese Acad Forestry;NFGA;Chinese Acad Forestry
来源:FORESTS  2023
关键词:tree modeling   spatial structure   heterogeneous conversion forest   morphological characteristics model  
Spatiotemporal changes and driving mechanisms of carbon stocks in the Yangtze River Basin of China over the past 20 years被引量:2收藏 分享
作者:An, Xuexian[1,2,3] Zhang, Meng[1,2,3] Zhang, Huaiqing[4] Liu, Yang[4]
机构:Cent South Univ Forestry & Technol;Key Lab State Forestry Adm Forest Resources Manage;Key Lab Forestry Remote Sensing Based Big Data & E;Chinese Acad Forestry
来源:ADVANCES IN SPACE RESEARCH  2025
关键词:Carbon stocks   Spatiotemporal change   Data assimilation   InVEST model   Yangtze River basin  
模糊逻辑与复合顺序形态学相结合的叶脉检测方法被引量:2收藏 分享
作者:李永亮[1] 张怀清[1] 杨廷栋[1] 马载阳[1] 贺长平[2]
机构:中国林业科学研究院资源信息研究所;湖南省攸县黄丰桥国有林场
来源:《林业科学》  2018
关键词:模糊逻辑  复合顺序形态学  叶脉检测  噪声抑制  结构元素  
摘要:【目的】针对叶脉图像存在模糊性和噪声的问题,将模糊逻辑与复合顺序形态学相结合,提出一种叶脉模糊逻辑增强方法,以提高叶脉检测方法的抗噪能力和检测效果。【方法】根据5×5邻域中各像元距中心像元的距离,确定邻域像元权重,提出像...
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