Forest Parameter Mapping based on Lidar and SAR Data. - Zhiyu Zhang 001; Lixin Zhang 001; Wenjian Ni; Zhifeng Guo; Guoqing Sun (IGARSS (5), 2009)

Biomass retrieval based on UAVSAR polarimetric data. - Zhiyu Zhang 001; Guoqing Sun; Lixin Zhang 001; Zhifeng Guo; Wenli Huang (IGARSS, 2010)

Study of the spectral gradient of frozen soil. - Shaojie Zhao; Lixin Zhang 001; Lingmei Jiang; Linna Chai; Weipo Xing; Zhiyu Zhang 001 (IGARSS, 2010)

The annual behavior of backscattering and coherence of PALSAR data. - Wenjian Ni; Zhifeng Guo; Zhiyu Zhang 001; Guoqing Sun (IGARSS, 2011)

Biomass retrieval based on polarimetric target decomposition. - Zhiyu Zhang 001; Yong Wang 011; Guoqing Sun; Wenjian Ni; Wenli Huang; Lixin Zhang 001 (IGARSS, 2011)

Mapping forest above-ground biomass and its changes from LVIS waveform data. - Wenli Huang; Guoqing Sun; Ralph Dubayah; Zhiyu Zhang 001; Wenjian Ni (IGARSS, 2012)

Semi-automatic extraction of digital surface model using ALOS/PRISM data with ENVI. - Wenjian Ni; Zhifeng Guo; Zhiyu Zhang 001; Guoqing Sun; Wenli Huang (IGARSS, 2012)

Evaluation of different methods for forest regional biomass mapping from UAVSAR data. - Zhiyu Zhang 001; Xingling Wang; Wenjian Ni; Guoqing Sun; Wenli Huang; Zhifeng Guo (IGARSS, 2012)

Sensitivity of multi-source SAR backscatter to changes of forest aboveground biomass. - Wenli Huang; Guoqing Sun; Zhiyu Zhang 001; Wenjian Ni (IGARSS, 2013)

The characterization of digital surface model from stereo imagery over vegetated areas. - Wenjian Ni; Zhiyu Zhang 001; Zhifeng Guo; Guoqing Sun (IGARSS, 2013)

Retrieval of Forest Biomass From ALOS PALSAR Data Using a Lookup Table Method. - Wenjian Ni; Guoqing Sun; Zhifeng Guo; Zhiyu Zhang 001; Yating He; Wenli Huang (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2013)

The synergy of ALOS/PRISM and ALOS/PALSAR for the mapping of forest height. - Wenjian Ni; Guoqing Sun; Zhiyu Zhang 001 (IGARSS, 2014)

Co-Registration of Two DEMs: Impacts on Forest Height Estimation From SRTM and NED at Mountainous Areas. - Wenjian Ni; Guoqing Sun; Zhiyu Zhang 001; Zhifeng Guo; Yating He (IEEE Geosci. Remote. Sens. Lett., 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 001; Yating He; Zhifeng Guo (IEEE Geosci. Remote. Sens. Lett., 2014)

Simulation of Interferometric SAR Response for Characterizing Forest Successional Dynamics. - Hongbo Yang; Dawei Liu; Guoqing Sun; Zhifeng Guo; Zhiyu Zhang 001 (IEEE Geosci. Remote. Sens. Lett., 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 001; Guoqing Sun; Zhifeng Guo; Yating He (Remote. Sens., 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 001; Yating He; Wenli Huang; Zhifeng Guo (IEEE Trans. Geosci. Remote. Sens., 2014)

Evaluation of UAV-based forest inventory system compared with LiDAR data. - Wenjian Ni; Jianli Liu; Zhiyu Zhang 001; Guoqing Sun; Aqiang Yang (IGARSS, 2015)

Sensitivity of Multi-Source SAR Backscatter to Changes in Forest Aboveground Biomass. - Wenli Huang; Guoqing Sun; Wenjian Ni; Zhiyu Zhang 001; Ralph Dubayah (Remote. Sens., 2015)

Modeling radar backscattering of complex terrain at the landscape scale for retrieving forest structure parameters. - Wenjian Ni; Guoqing Sun; Zhiyu Zhang 001; Haoyang Yu (IGARSS, 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 001; Huina Yu (IGARSS, 2016)

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 001; Jianli Liu; Aqiang Yang; Yao Wang; Dafeng Zhang (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2018)

Modeling Interferometric SAR Features of Forest Canopies Over Mountainous Area at Landscape Scales. - Wenjian Ni; Zhiyu Zhang 001; Guoqing Sun; Qinhuo Liu (IEEE Trans. Geosci. Remote. Sens., 2018)

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 001 (IGARSS, 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 001; Yong Pang; Xin Tian 005; Zengyuan Li; Erxue Chen (Remote. Sens., 2019)

Modeling the Stereoscopic Features of Mountainous Forest Landscapes for the Extraction of Forest Heights from Stereo Imagery. - Wenjian Ni; Zhiyu Zhang 001; Guoqing Sun; Qinhuo Liu (Remote. Sens., 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 001; Qinhuo Liu; Qiang Wang 004 (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019)

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 001; Guoqing Sun; Zhiyu Zhang 001 (Remote. Sens., 2020)

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 001; Zhifeng Guo; Tianyu Yu 004; Guoqing Sun (IGARSS, 2024)

An Optimization Method for GEDI Ground Determination in Dense Tropical Forests with Potential Penetration Limitations. - Tianyu Yu 004; Wenjian Ni; Jie Wang; Zhiyu Zhang 001; Zhifeng Guo; Guoqing Sun (IGARSS, 2024)