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Wenjian Ni
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2020 – today
- 2024
- [j18]Liming Du, Yong Pang
, Wenjian Ni, Xiaojun Liang, Zengyuan Li, Juan Suarez, Wei Wei:
Forest terrain and canopy height estimation using stereo images and spaceborne LiDAR data from GF-7 satellite. Geo spatial Inf. Sci. 27(3): 811-821 (2024) - 2020
- [j17]Haoyang Yu, Wenjian Ni
, Zhongjun Zhang
, Guoqing Sun, Zhiyu Zhang
:
Regional Forest Mapping over Mountainous Areas in Northeast China Using Newly Identified Critical Temporal Features of Sentinel-1 Backscattering. Remote. Sens. 12(9): 1485 (2020) - [c25]Kun Li, Jie Wang, Longyong Chen, Wenjian Ni, Zheng Lv, Lei Liu, Mingming Xu, Jianbo Du, Zhibin Wang, Jie Liu, Qingjun Zhang:
A Novel Azimuth Discrete Periodic Phase Coding Method for MIMO SAR. IGARSS 2020: 1125-1128
2010 – 2019
- 2019
- [j16]Wenjian Ni
, Jiachen Dong, Guoqing Sun, Zhiyu Zhang, Yong Pang, Xin Tian, Zengyuan Li, Erxue Chen:
Synthesis of Leaf-on and Leaf-off Unmanned Aerial Vehicle (UAV) Stereo Imagery for the Inventory of Aboveground Biomass of Deciduous Forests. Remote. Sens. 11(7): 889 (2019) - [j15]Wenjian Ni
, Zhiyu Zhang, Guoqing Sun, Qinhuo Liu
:
Modeling the Stereoscopic Features of Mountainous Forest Landscapes for the Extraction of Forest Heights from Stereo Imagery. Remote. Sens. 11(10): 1222 (2019) - [j14]Dafeng Zhang
, Jianli Liu, Wenjian Ni
, Guoqing Sun
, Zhiyu Zhang, Qinhuo Liu
, Qiang Wang:
Estimation of Forest Leaf Area Index Using Height and Canopy Cover Information Extracted From Unmanned Aerial Vehicle Stereo Imagery. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 12(2): 471-481 (2019) - [c24]Wenjian Ni, Guoqing Sun, Kenneth Jon Ranson, Paul M. Montesano, Qinhuo Liu
, Zengyuan Li, Vyacheslav I. Kharuk, Zhiyu Zhang:
LandRS: a Virtual Constellation Simulator for InSAR, LiDAR Waveform and Stereo Imagery Over Mountainous Forest Landscapes. IGARSS 2019: 4892-4895 - [c23]Qiang Wang, Wenge Ni-Meister
, Wenjian Ni, Yong Pang:
The Potential of Forest Biomass Inversion Based on Canopy-Independent Structure Metrics Tested by Airborne LiDAR Data. IGARSS 2019: 7354-7357 - 2018
- [j13]Zhiqi Yang, Jinwei Dong
, Yuanwei Qin
, Wenjian Ni, Guosong Zhao
, Wei Chen
, Bangqian Chen
, Weili Kou, Jie Wang
, Xiangming Xiao
:
Integrated Analyses of PALSAR and Landsat Imagery Reveal More Agroforests in a Typical Agricultural Production Region, North China Plain. Remote. Sens. 10(9): 1323 (2018) - [j12]Wenjian Ni
, Guoqing Sun
, Yong Pang, Zhiyu Zhang, Jianli Liu, Aqiang Yang, Yao Wang, Dafeng Zhang
:
Mapping Three-Dimensional Structures of Forest Canopy Using UAV Stereo Imagery: Evaluating Impacts of Forward Overlaps and Image Resolutions With LiDAR Data as Reference. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 11(10): 3578-3589 (2018) - [j11]Wenjian Ni
, Zhiyu Zhang, Guoqing Sun
, Qinhuo Liu
:
Modeling Interferometric SAR Features of Forest Canopies Over Mountainous Area at Landscape Scales. IEEE Trans. Geosci. Remote. Sens. 56(5): 2958-2967 (2018) - 2017
- [j10]Hong Chi, Guoqing Sun, Jinliang Huang, Rendong Li, Xianyou Ren, Wenjian Ni, Anmin Fu:
Estimation of Forest Aboveground Biomass in Changbai Mountain Region Using ICESat/GLAS and Landsat/TM Data. Remote. Sens. 9(7): 707 (2017) - [j9]Yang Zhang, Qinhuo Liu
, Longfei Tan, Huaguo Huang
, Wenjian Ni, Tiangang Yin
, Wenhan Qin, Guoqing Sun:
A 3-D Joint Simulation Platform for Multiband Remote Sensing. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 10(11): 4763-4778 (2017) - 2016
- [c22]Wenjian Ni, Guoqing Sun, Zhiyu Zhang, Haoyang Yu:
Modeling radar backscattering of complex terrain at the landscape scale for retrieving forest structure parameters. IGARSS 2016: 3660-3663 - [c21]Wenjian Ni, Guoqing Sun, Zhiyu Zhang, Huina Yu:
Retrieval of forest aboveground biomass through the synergy of X-band (TeraSAR-X/TandDEM-X) and L-band (PALSAR-2) InSAR data. IGARSS 2016: 5304-5306 - 2015
- [j8]Wenjian Ni, Guoqing Sun, Kenneth Jon Ranson:
Characterization of ASTER GDEM elevation data over vegetated area compared with lidar data. Int. J. Digit. Earth 8(3): 198-211 (2015) - [j7]Hong Chi, Guoqing Sun, Jinliang Huang, Zhifeng Guo, Wenjian Ni, Anmin Fu:
National Forest Aboveground Biomass Mapping from ICESat/GLAS Data and MODIS Imagery in China. Remote. Sens. 7(5): 5534-5564 (2015) - [j6]Wenli Huang
, Guoqing Sun, Wenjian Ni, Zhiyu Zhang, Ralph Dubayah:
Sensitivity of Multi-Source SAR Backscatter to Changes in Forest Aboveground Biomass. Remote. Sens. 7(8): 9587-9609 (2015) - [c20]Wenjian Ni, Jianli Liu, Zhiyu Zhang, Guoqing Sun, Aqiang Yang:
Evaluation of UAV-based forest inventory system compared with LiDAR data. IGARSS 2015: 3874-3877 - 2014
- [j5]Wenjian Ni, Guoqing Sun, Zhiyu Zhang, Yating He, Zhifeng Guo:
A Heuristic Approach to Reduce Atmospheric Effects in InSAR Data for the Derivation of Digital Terrain Models or for the Characterization of Forest Vertical Structure. IEEE Geosci. Remote. Sens. Lett. 11(1): 268-272 (2014) - [j4]Wenjian Ni, Guoqing Sun, Zhiyu Zhang, Zhifeng Guo, Yating He:
Co-Registration of Two DEMs: Impacts on Forest Height Estimation From SRTM and NED at Mountainous Areas. IEEE Geosci. Remote. Sens. Lett. 11(1): 273-277 (2014) - [j3]Wenjian Ni, Zhiyu Zhang, Guoqing Sun, Zhifeng Guo, Yating He:
The Penetration Depth Derived from the Synthesis of ALOS/PALSAR InSAR Data and ASTER GDEM for the Mapping of Forest Biomass. Remote. Sens. 6(8): 7303-7319 (2014) - [j2]Wenjian Ni, Guoqing Sun, Kenneth Jon Ranson, Zhiyu Zhang, Yating He, Wenli Huang
, Zhifeng Guo:
Model-Based Analysis of the Influence of Forest Structures on the Scattering Phase Center at L-Band. IEEE Trans. Geosci. Remote. Sens. 52(7): 3937-3946 (2014) - [c19]Guoqing Sun, Forrest G. Hall, Wenjian Ni, Kun Fang, Jeffrey G. Masek, Temilola Fatoyinbo
, Derek R. Peddle, Thomas Hilker:
Forest parameters estimation from SAR and Landsat data using look-up table inversion. IGARSS 2014: 65-68 - [c18]Wenjian Ni, Guoqing Sun, Zhiyu Zhang:
The synergy of ALOS/PRISM and ALOS/PALSAR for the mapping of forest height. IGARSS 2014: 840-842 - 2013
- [j1]Wenjian Ni, Guoqing Sun, Zhifeng Guo, Zhiyu Zhang, Yating He, Wenli Huang
:
Retrieval of Forest Biomass From ALOS PALSAR Data Using a Lookup Table Method. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 6(2-3): 875-886 (2013) - [c17]Wenjian Ni, Zhiyu Zhang, Zhifeng Guo, Guoqing Sun:
The characterization of digital surface model from stereo imagery over vegetated areas. IGARSS 2013: 504-507 - [c16]Wenli Huang
, Guoqing Sun, Zhiyu Zhang, Wenjian Ni:
Sensitivity of multi-source SAR backscatter to changes of forest aboveground biomass. IGARSS 2013: 2457-2460 - [c15]Guoqing Sun, Wenjian Ni, Forrest G. Hall, Jeffrey G. Masek, Temilola Fatoyinbo
, Derek R. Peddle:
Retrieval of forest biophysical parameters using physically-based algorithms. IGARSS 2013: 2621-2624 - 2012
- [c14]Zhiyu Zhang, Xingling Wang, Wenjian Ni, Guoqing Sun, Wenli Huang
, Zhifeng Guo:
Evaluation of different methods for forest regional biomass mapping from UAVSAR data. IGARSS 2012: 6404-6407 - [c13]Wenjian Ni, Zhifeng Guo, Zhiyu Zhang, Guoqing Sun, Wenli Huang
:
Semi-automatic extraction of digital surface model using ALOS/PRISM data with ENVI. IGARSS 2012: 6557-6560 - [c12]Wenli Huang
, Guoqing Sun, Ralph Dubayah, Zhiyu Zhang, Wenjian Ni:
Mapping forest above-ground biomass and its changes from LVIS waveform data. IGARSS 2012: 6561-6564 - 2011
- [c11]Zhiyu Zhang, Yong Wang
, Guoqing Sun, Wenjian Ni, Wenli Huang
, Lixin Zhang:
Biomass retrieval based on polarimetric target decomposition. IGARSS 2011: 1942-1945 - [c10]Wenjian Ni, Zhifeng Guo, Zhiyu Zhang, Guoqing Sun:
The annual behavior of backscattering and coherence of PALSAR data. IGARSS 2011: 2472-2475 - 2010
- [c9]Zhifeng Guo, Wenjian Ni, Guoqing Sun:
Forest biomass estimation in northeastern China using ALOS PALSAR data combined radiative transfer model. IGARSS 2010: 1497-1500 - [c8]Wenjian Ni, Zhifeng Guo, Guoqing Sun, Hong Chi:
Investigation of forest height retrieval using SRTM-DEM and ASTER-GDEM. IGARSS 2010: 2111-2114 - [c7]Matthew Sun, Wenjian Ni, K. Jon Ranson:
Simulation studies on data fusion algorithms for forest structure from lidar and SAR data. IGARSS 2010: 3287-3290
2000 – 2009
- 2009
- [c6]Zhiyu Zhang, Lixin Zhang, Wenjian Ni, Zhifeng Guo, Guoqing Sun:
Forest Parameter Mapping based on Lidar and SAR Data. IGARSS (5) 2009: 304-307 - [c5]Zhifeng Guo, Wenjian Ni, Guoqing Sun:
Analysis of the Effect of Crown Structure Changes on Backscattering Coefficient using Modeling and SAR Data. IGARSS (4) 2009: 386-389 - [c4]Wenjian Ni, Guoqing Sun, Zhifeng Guo, Yong Pang
:
Characterization of Soil Surface Roughness from Terrestrial Laser Scanner Data. IGARSS (2) 2009: 428-431 - 2008
- [c3]Wenjian Ni, Guoqing Sun, Zhifeng Guo, Wenhan Qin:
Effect of Forest Structure on Scattering Center Height from Model and SAR Data. IGARSS (5) 2008: 421-424 - [c2]Zhifeng Guo, Guoqing Sun, K. Jon Ranson, Wenjian Ni, Wenhan Qin:
The Potential of Combined Lidar and SAR Data in Retrieving Forest Parameters using Model Analysis. IGARSS (5) 2008: 542-545 - 2007
- [c1]Wenjian Ni, Zhifeng Guo, Guoqing Sun, Fang Wang:
Improvement of 3D radar backscatter model by matrix-doubling methods. IGARSS 2007: 85-88
Coauthor Index
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