Wenjian Ni

According to our database, Wenjian Ni authored at least 45 papers between 2007 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Forest terrain and canopy height estimation using stereo images and spaceborne LiDAR data from GF-7 satellite.

Liming Du, Yong Pang, Wenjian Ni, Xiaojun Liang, Zengyuan Li, Juan Suarez, Wei Wei

Geo spatial Inf. Sci., May, 2024

An Optimization Method for GEDI Ground Determination in Dense Tropical Forests with Potential Penetration Limitations.

Tianyu Yu, Wenjian Ni, Jie Wang, Zhiyu Zhang, Zhifeng Guo, Guoqing Sun

Proceedings of the IGARSS 2024, 2024

Model Based Analysis for the Extraction of Forest Stand Information Based on Texture of High-Resolution Optical Remote Sensing Images.

Jie Wang, Wenjian Ni, Zhiyu Zhang, Zhifeng Guo, Tianyu Yu, Guoqing Sun

Proceedings of the IGARSS 2024, 2024

2020

Regional Forest Mapping over Mountainous Areas in Northeast China Using Newly Identified Critical Temporal Features of Sentinel-1 Backscattering.

Haoyang Yu, Wenjian Ni, Zhongjun Zhang, Guoqing Sun, Zhiyu Zhang

Remote. Sens., 2020

A Novel Azimuth Discrete Periodic Phase Coding Method for MIMO SAR.

Kun Li, Jie Wang, Longyong Chen, Wenjian Ni, Zheng Lv, Lei Liu, Mingming Xu, Jianbo Du, Zhibin Wang, Jie Liu, Qingjun Zhang

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020

2019

Estimation of Forest Leaf Area Index Using Height and Canopy Cover Information Extracted From Unmanned Aerial Vehicle Stereo Imagery.

Dafeng Zhang, Jianli Liu, Wenjian Ni, Guoqing Sun, Zhiyu Zhang, Qinhuo Liu, Qiang Wang

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019

Modeling the Stereoscopic Features of Mountainous Forest Landscapes for the Extraction of Forest Heights from Stereo Imagery.

Wenjian Ni, Zhiyu Zhang, Guoqing Sun, Qinhuo Liu

Remote. Sens., 2019

Synthesis of Leaf-on and Leaf-off Unmanned Aerial Vehicle (UAV) Stereo Imagery for the Inventory of Aboveground Biomass of Deciduous Forests.

Wenjian Ni, Jiachen Dong, Guoqing Sun, Zhiyu Zhang, Yong Pang, Xin Tian, Zengyuan Li, Erxue Chen

Remote. Sens., 2019

LandRS: a Virtual Constellation Simulator for InSAR, LiDAR Waveform and Stereo Imagery Over Mountainous Forest Landscapes.

Wenjian Ni, Guoqing Sun, Kenneth Jon Ranson, Paul M. Montesano, Qinhuo Liu, Zengyuan Li, Vyacheslav I. Kharuk, Zhiyu Zhang

Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

The Potential of Forest Biomass Inversion Based on Canopy-Independent Structure Metrics Tested by Airborne LiDAR Data.

Qiang Wang, Wenge Ni-Meister, Wenjian Ni, Yong Pang

Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

2018

Modeling Interferometric SAR Features of Forest Canopies Over Mountainous Area at Landscape Scales.

Wenjian Ni, Zhiyu Zhang, Guoqing Sun, Qinhuo Liu

IEEE Trans. Geosci. Remote. Sens., 2018

Mapping Three-Dimensional Structures of Forest Canopy Using UAV Stereo Imagery: Evaluating Impacts of Forward Overlaps and Image Resolutions With LiDAR Data as Reference.

Wenjian Ni, Guoqing Sun, Yong Pang, Zhiyu Zhang, Jianli Liu, Aqiang Yang, Yao Wang, Dafeng Zhang

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2018

Integrated Analyses of PALSAR and Landsat Imagery Reveal More Agroforests in a Typical Agricultural Production Region, North China Plain.

Zhiqi Yang, Jinwei Dong, Yuanwei Qin, Wenjian Ni, Guosong Zhao, Wei Chen, Bangqian Chen, Weili Kou, Jie Wang, Xiangming Xiao

Remote. Sens., 2018

2017

A 3-D Joint Simulation Platform for Multiband Remote Sensing.

Yang Zhang, Qinhuo Liu, Longfei Tan, Huaguo Huang, Wenjian Ni, Tiangang Yin, Wenhan Qin, Guoqing Sun

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2017

Estimation of Forest Aboveground Biomass in Changbai Mountain Region Using ICESat/GLAS and Landsat/TM Data.

Hong Chi, Guoqing Sun, Jinliang Huang, Rendong Li, Xianyou Ren, Wenjian Ni, Anmin Fu

Remote. Sens., 2017

2016

Retrieval of forest aboveground biomass through the synergy of X-band (TeraSAR-X/TandDEM-X) and L-band (PALSAR-2) InSAR data.

Wenjian Ni, Guoqing Sun, Zhiyu Zhang, Huina Yu

Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

Modeling radar backscattering of complex terrain at the landscape scale for retrieving forest structure parameters.

Wenjian Ni, Guoqing Sun, Zhiyu Zhang, Haoyang Yu

Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

2015

Sensitivity of Multi-Source SAR Backscatter to Changes in Forest Aboveground Biomass.

Wenli Huang, Guoqing Sun, Wenjian Ni, Zhiyu Zhang, Ralph Dubayah

Remote. Sens., 2015

National Forest Aboveground Biomass Mapping from ICESat/GLAS Data and MODIS Imagery in China.

Hong Chi, Guoqing Sun, Jinliang Huang, Zhifeng Guo, Wenjian Ni, Anmin Fu

Remote. Sens., 2015

Characterization of ASTER GDEM elevation data over vegetated area compared with lidar data.

Wenjian Ni, Guoqing Sun, Kenneth Jon Ranson

Int. J. Digit. Earth, 2015

Evaluation of UAV-based forest inventory system compared with LiDAR data.

Wenjian Ni, Jianli Liu, Zhiyu Zhang, Guoqing Sun, Aqiang Yang

Proceedings of the 2015 IEEE International Geoscience and Remote Sensing Symposium, 2015

2014

Model-Based Analysis of the Influence of Forest Structures on the Scattering Phase Center at L-Band.

Wenjian Ni, Guoqing Sun, Kenneth Jon Ranson, Zhiyu Zhang, Yating He, Wenli Huang, Zhifeng Guo

IEEE Trans. Geosci. Remote. Sens., 2014

The Penetration Depth Derived from the Synthesis of ALOS/PALSAR InSAR Data and ASTER GDEM for the Mapping of Forest Biomass.

Wenjian Ni, Zhiyu Zhang, Guoqing Sun, Zhifeng Guo, Yating He

Remote. Sens., 2014

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.

Wenjian Ni, Guoqing Sun, Zhiyu Zhang, Yating He, Zhifeng Guo

IEEE Geosci. Remote. Sens. Lett., 2014

Co-Registration of Two DEMs: Impacts on Forest Height Estimation From SRTM and NED at Mountainous Areas.

Wenjian Ni, Guoqing Sun, Zhiyu Zhang, Zhifeng Guo, Yating He

IEEE Geosci. Remote. Sens. Lett., 2014

Forest parameters estimation from SAR and Landsat data using look-up table inversion.

Guoqing Sun, Forrest G. Hall, Wenjian Ni, Kun Fang, Jeffrey G. Masek, Temilola Fatoyinbo, Derek R. Peddle, Thomas Hilker

Proceedings of the 2014 IEEE Geoscience and Remote Sensing Symposium, 2014

The synergy of ALOS/PRISM and ALOS/PALSAR for the mapping of forest height.

Wenjian Ni, Guoqing Sun, Zhiyu Zhang

Proceedings of the 2014 IEEE Geoscience and Remote Sensing Symposium, 2014

2013

Retrieval of Forest Biomass From ALOS PALSAR Data Using a Lookup Table Method.

Wenjian Ni, Guoqing Sun, Zhifeng Guo, Zhiyu Zhang, Yating He, Wenli Huang

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2013

Retrieval of forest biophysical parameters using physically-based algorithms.

Guoqing Sun, Wenjian Ni, Forrest G. Hall, Jeffrey G. Masek, Temilola Fatoyinbo, Derek R. Peddle

Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013

The characterization of digital surface model from stereo imagery over vegetated areas.

Wenjian Ni, Zhiyu Zhang, Zhifeng Guo, Guoqing Sun

Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013

Sensitivity of multi-source SAR backscatter to changes of forest aboveground biomass.

Wenli Huang, Guoqing Sun, Zhiyu Zhang, Wenjian Ni

Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013

2012

Evaluation of different methods for forest regional biomass mapping from UAVSAR data.

Zhiyu Zhang, Xingling Wang, Wenjian Ni, Guoqing Sun, Wenli Huang, Zhifeng Guo

Proceedings of the 2012 IEEE International Geoscience and Remote Sensing Symposium, 2012

Semi-automatic extraction of digital surface model using ALOS/PRISM data with ENVI.

Wenjian Ni, Zhifeng Guo, Zhiyu Zhang, Guoqing Sun, Wenli Huang

Proceedings of the 2012 IEEE International Geoscience and Remote Sensing Symposium, 2012

Mapping forest above-ground biomass and its changes from LVIS waveform data.

Wenli Huang, Guoqing Sun, Ralph Dubayah, Zhiyu Zhang, Wenjian Ni

Proceedings of the 2012 IEEE International Geoscience and Remote Sensing Symposium, 2012

2011

Biomass retrieval based on polarimetric target decomposition.

Zhiyu Zhang, Yong Wang, Guoqing Sun, Wenjian Ni, Wenli Huang, Lixin Zhang

Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

The annual behavior of backscattering and coherence of PALSAR data.

Wenjian Ni, Zhifeng Guo, Zhiyu Zhang, Guoqing Sun

Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

2010

Simulation studies on data fusion algorithms for forest structure from lidar and SAR data.

Matthew Sun, Wenjian Ni, K. Jon Ranson

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

Investigation of forest height retrieval using SRTM-DEM and ASTER-GDEM.

Wenjian Ni, Zhifeng Guo, Guoqing Sun, Hong Chi

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

Forest biomass estimation in northeastern China using ALOS PALSAR data combined radiative transfer model.

Zhifeng Guo, Wenjian Ni, Guoqing Sun

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

2009

Forest Parameter Mapping based on Lidar and SAR Data.

Zhiyu Zhang, Lixin Zhang, Wenjian Ni, Zhifeng Guo, Guoqing Sun

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2009

Characterization of Soil Surface Roughness from Terrestrial Laser Scanner Data.

Wenjian Ni, Guoqing Sun, Zhifeng Guo, Yong Pang

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2009

Analysis of the Effect of Crown Structure Changes on Backscattering Coefficient using Modeling and SAR Data.

Zhifeng Guo, Wenjian Ni, Guoqing Sun

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2009

2008

Effect of Forest Structure on Scattering Center Height from Model and SAR Data.

Wenjian Ni, Guoqing Sun, Zhifeng Guo, Wenhan Qin

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

The Potential of Combined Lidar and SAR Data in Retrieving Forest Parameters using Model Analysis.

Zhifeng Guo, Guoqing Sun, K. Jon Ranson, Wenjian Ni, Wenhan Qin

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

2007

Improvement of 3D radar backscatter model by matrix-doubling methods.

Wenjian Ni, Zhifeng Guo, Guoqing Sun, Fang Wang

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007