成果/Result
- 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
- 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
- Robust discriminant feature selection via joint L-2,L-1-norm distance minimization and maximization被引量:22收藏
- 作者:Yang, Zhangjing[1] Ye, Qiaolin[2,3] Chen, Qiao[4,5] Ma, Xu[2] Fu, Liyong[4,5]
- 机构:Nanjing Audit Univ;Nanjing Forestry Univ;Huaiyin Inst Technol;Chinese Acad Forestry;Natl Forestry & Grassland Adm
- 来源:KNOWLEDGE-BASED SYSTEMS 2020
- 关键词:Feature selection L-2,L-1-norm Discriminative Feature Selection Robustness
- Variation patterns of plant composition/diversity in Dacrydium pectinatum communities and their driving factors in a biodiversity hotspot on Hainan Island, China被引量:20收藏
- 作者:Liu, Haodong[1] Chen, Qiao[1] Liu, Xiao[2,3] Xu, Zhiyang[4] Dai, Yunchuan[5]
- 机构:Chinese Acad Forestry;Chinese Acad Sci;Univ Chinese Acad Sci;East China Inventory & Planning Inst Natl Forestr;Chinese Acad Forestry
- 来源:GLOBAL ECOLOGY AND CONSERVATION 2020
- 关键词:Tropical mountain forests Plant diversity Endangered species Dacrydium pectinatum Hainan island
- A climate sensitive mixed-effects diameter class mortality model for Prince Rupprecht larch (Larix gmelinii var. principis-rupprechtii) in northern China被引量:19收藏
- 作者:Zhou, Xiao[1,2,3] Chen, Qiao[3] Sharma, Ram P.[4] Wang, Yihao[5] He, Peng[6]
- 机构:Cent South Univ Forestry & Technol;Shanxi Agr Univ;Chinese Acad Forestry;Tribhuwan Univ;Chongqing Normal Univ
- 来源:FOREST ECOLOGY AND MANAGEMENT 2021
- 关键词:Stand mortality Basic model Mixed-effects modeling Climate change Forest management
- Comparison of Modeling Algorithms for Forest Canopy Structures Based on UAV-LiDAR: A Case Study in Tropical China被引量:16收藏
- 作者:Peng, Xi[1,2,3] Zhao, Anjiu[2] Chen, Yongfu[1,3] Chen, Qiao[1,3] Liu, Haodong[1,3]
- 机构:Chinese Acad Forestry;Sichuan Agr Univ;Natl Forestry & Grassland Adm;Southwest Forestry Univ
- 来源:FORESTS 2020
- 关键词:tropical forests vertical structure forest attributes regression model recursive feature elimination
- Tree Height Measurements in Degraded Tropical Forests Based on UAV-LiDAR Data of Different Point Cloud Densities: A Case Study on Dacrydium pierrei in China被引量:12收藏
- 作者:Peng, Xi[1,2,3] Zhao, Anjiu[2] Chen, Yongfu[1,3] Chen, Qiao[1,3] Liu, Haodong[1,3]
- 机构:Chinese Acad Forestry;Sichuan Agr Univ;Natl Forestry & Grassland Adm
- 来源:FORESTS 2021
- 关键词:degraded tropical forests tree height UAV-LiDAR point cloud density Dacrydium pierrei
- 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
- 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
- Effects of biotic/abiotic factors on the seedling regeneration of Dacrydium pectinatum formations in tropical montane forests on Hainan Island, China被引量:7收藏
- 作者:Liu, Haodong[1,2] Chen, Qiao[1] Chen, Yongfu[1] Xu, Zhiyang[3] Dai, Yunchuan[4]
- 机构:Chinese Acad Forestry;NFGA;East China Inventory & Planning Inst Natl Forestr;Chinese Acad Forestry;Sichuan Agr Univ
- 来源:GLOBAL ECOLOGY AND CONSERVATION 2020
- 关键词:Dacrydium pectinatum Natural regeneration Niche partitioning Negative density dependence Hainan island
- Identifying the patterns of changes in alpha- and beta-diversity across Dacrydium pectinatum communities in Hainan Island, China被引量:6收藏
- 作者:Liu, Haodong[1,2] Liu, Hua[1,2] Chen, Yongfu[1,2] Xu, Zhiyang[2,3] Dai, Yunchuan[4]
- 机构:Chinese Acad Forestry;NFGA;Natl Forestry & Grassland Adm;Chinese Acad Forestry
- 来源:ECOLOGY AND EVOLUTION 2021
- 关键词:biodiversity hotspots coexistence community assembly habitat filtering phylogenetic diversity
- Modelling of the biodiversity of tropical forests in China based on unmanned aerial vehicle multispectral and light detection and ranging data被引量:6收藏
- 作者:Peng, Xi[1,2,3] Chen, Zhichao[2] Chen, Yongfu[1,3] Chen, Qiao[1,3] Liu, Haodong[1,3]
- 机构:Chinese Acad Forestry;Sichuan Agr Univ;Natl Forestry & Grassland Adm;Southwest Forestry Univ
- 来源:INTERNATIONAL JOURNAL OF REMOTE SENSING 2021
- 关键词:Aircraft detection - Antennas - Biodiversity - Conservation - Forecasting - Forestry - Learning algorithms - Light weight vehicles - Machine learning - Remote sensing - Textures - Tropics - Turing machines - Unmanned aerial vehicles (UAV)
- VrsNet- density map prediction network for individual tree detection and counting from UAV images被引量:4收藏
- 作者:Luo, Taige[1] Gao, Wei[1] Belotserkovsky, Alexei[3] Nedzved, Alexander[4] Deng, Weijie[5]
- 机构:Nanjing Forestry Univ;Chinese Acad Forestry;Problems Natl Acad Sci Belarus;Belarusian State Univ;Nanjing Forestry Univ
- 来源:INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION 2024
- 关键词:Vegetation mapping Remote sensing Semi-supervised learning Object detection Tree segmentation Tree counting Density map
- YOLOTree-Individual Tree Spatial Positioning and Crown Volume Calculation Using UAV-RGB Imagery and LiDAR Data被引量:4收藏
- 作者:Luo, Taige[1] Rao, Shuyu[1] Ma, Wenjun[2] Song, Qingyang[1] Cao, Zhaodong[1]
- 机构:Nanjing Forestry Univ;Chinese Acad Forestry;Chinese Acad Forestry;Tongji Univ
- 来源:FORESTS 2024
- 关键词:remote sensing unmanned aerial vehicle object detection individual tree crown volume deep learning
- Tree Canopy Volume Extraction Fusing ALS and TLS Based on Improved PointNeXt被引量:2收藏
- 作者:Sun, Hao[1,2] Ye, Qiaolin[1,2] Chen, Qiao[3] Fu, Liyong[3,4] Xu, Zhongqi[4]
- 机构:Nanjing Forestry Univ;Nanjing Forestry Univ;Chinese Acad Forestry;Hebei Agr Univ
- 来源:REMOTE SENSING 2024
- 关键词:3D point cloud deep learning canopy volume segmentation PointNeXt gaps
- A Method to Identify Dacrydium pierrei Hickel Using Unmanned Aerial Vehicle Multi-source Remote Sensing Data in a Chinese Tropical Rainforest被引量:2收藏
- 作者:Peng, Xi[1,2,4] Liu, Haodong[1,4] Chen, Yongfu[1,4] Chen, Qiao[1,4] Wang, Juan[1,3,4]
- 机构:Chinese Acad Forestry;Sichuan Aricultural Univ;Southwest Forestry Univ;NFGA
- 来源:JOURNAL OF THE INDIAN SOCIETY OF REMOTE SENSING 2022
- 关键词:Unmanned aerial vehicles (UAV) Tree species identification Feature selection Random forest Multi-source remote sensing data Chinese tropical rainforest
- Spatial Distribution Patterns of Herbaceous Vegetation Diversity and Environmental Drivers in the Subalpine Ecosystem of Anyemaqen Mountains, Qinghai Province, China被引量:0收藏
- 作者:Dong, Zihan[1,2] Liu, Haodong[3] Liu, Hua[1] Chen, Yongfu[2] Fu, Xinru[2]
- 机构:Anhui Agr Univ;Chinese Acad Forestry;China Aero Geophys Survey & Remote Sensing Ctr Nat;Forestry & Prairie Stn Golog Tibetan Autonomous Pr;Tibet Agr & Anim Husb Univ
- 来源:DIVERSITY-BASEL 2024
- 关键词:Anyemaqen Mountains biodiversity environmental drivers herbaceous vegetation subalpine ecosystems Qinghai-Tibet Plateau
- MDC-FusFormer: Multiscale Deep Cross-Fusion Transformer Network for Hyperspectral and Multispectral Image Fusion被引量:0收藏
- 作者:Sun, Le[1,2] Zhou, Jianxiao[1] Ye, Qiaolin[3] Wu, Zebin[4] Chen, Qiao[5,6]
- 机构:Nanjing Univ Informat Sci & Technol;Nanjing Univ Informat Sci & Technol;Nanjing Forestry Univ;Nanjing Univ Sci & Technol;Chinese Acad Forestry
- 来源:IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING 2024
- 关键词:Convolutional neural network (CNN) cross-attention mechanism hyperspectral and multispectral image fusion transformer
- Estimating area, standing carbon stock, and potential carbon stock of degraded forests in China被引量:0收藏
- 作者:Yan, Xingrong[1,2] Xie, Dongbo[1] Feng, Linyan[1] Wu, Chunyan[3] Sharma, Ram P.[4]
- 机构:Chinese Acad Forestry;Xinzhou Normal Univ;Chinese Acad Forestry;Tribhuvan Univ;Nanjing Forestry Univ
- 来源:FOREST ECOSYSTEMS 2025
- 关键词:Degraded forest evaluation Degree of degradation Standing carbon stock Potential carbon stock Carbon theoretical space to grow Degraded forest restoration
- Effects of environmental variables on seedling distribution of rare and endangered Dacrydium pierrei被引量:0收藏
- 作者:Wu, Chunyan[1] Chen, Yongfu[] Chen, Qiao[1] Wang, Wenquan[1] Hong, Xiaojiang[2]
- 机构:Chinese Acad Forestry;Hainan Bawangling Natl Nat Reserve
- 来源:OPEN LIFE SCIENCES 2017
- 关键词:Environment seedling-sapling soil moisture PCA GMM Dacrydium pierrei