Yijun He

105 papers C 35Journal 62Unranked 8
YearRankTypeTitle / Venue / Authors
2025 J jnl
A Novel Method to Estimate Sea Ice Correlation Length for NRCS Simulation Using the Advanced Integral Equation Model.
IEEE Geosci. Remote. Sens. Lett.
Le Chang, Zhongbiao Chen, Yijun He, Runxia Sun
2025 J jnl
Ocean Surface Wind Wave Signatures in Single-Look Complex SAR Data.
IEEE Trans. Geosci. Remote. Sens.
Huimin Li, Bertrand Chapron, Alexis Mouche, Chen Wang, Wenming Lin, Yijun He
2024 J jnl
A Raw Data Simulator for Ocean Wave Radar Spectrometer.
IEEE Trans. Geosci. Remote. Sens.
Baochang Liu, Ziyang Ji, Xiuzhong Li, Jingwei Gu, Yijun He, Siqi Qiao
2024 J jnl
An Algorithm for Retrieving Water Surface Current by Using K-Band Coherent Radar.
IEEE Geosci. Remote. Sens. Lett.
Yu Guo, Zhongbiao Chen, Shiping Zhu, Yijun He, Runxia Sun
2024 J jnl
Preliminary Performance Assessment of the Wave Parameter Retrieval Algorithm from the Average Reflected Pulse.
Remote. Sens.
Yuriy A. Titchenko, Guo Jie, Vladimir Yu. Karaev, Kirill Ponur, Maria Ryabkova, Vladimir Baranov, Vladimir Ocherednik, Yijun He
2024 J jnl
Retrieval of Snow Depths on Arctic Sea Ice in the Cold Season from FY-3D/MWRI Data.
Remote. Sens.
Qianhui Yin, Yijun He, Deyong Sun
2023 J jnl
Improved Analytical Formula for the SAR Doppler Centroid Estimation Standard Deviation for a Dynamic Sea Surface.
Remote. Sens.
Siqi Qiao, Baochang Liu, Yijun He
2023 J jnl
SVM-Based Sea Ice Extent Retrieval Using Multisource Scatterometer Measurements.
Remote. Sens.
Changjing Xu, Zhixiong Wang, Xiaochun Zhai, Wenming Lin, Yijun He
2023 J jnl
The Relationship between Chlorophyll Concentration and ENSO Events and Possible Mechanisms off the Changjiang River Estuary.
Remote. Sens.
Qiong Wu, Xiaochun Wang, Yijun He, Jingjing Zheng
2023 J jnl
The Study of the Bistatic Cross-Correlation Function of Two Signals Separated in Frequency Reflected by the Water Surface.
Remote. Sens.
Yuriy A. Titchenko, Jie Guo, Vladimir Yu. Karaev, Dmitry Kovaldov, Yijun He
2023 J jnl
Towards a Consistent Wind Data Record for the CFOSAT Scatterometer.
Remote. Sens.
Xiaoheng Mou, Wenming Lin, Yijun He
2022 J jnl
An Improved Retrieval Method for Porphyra Cultivation Area Based on Suspended Sediment Concentration.
Remote. Sens.
Yinhe Cheng, Yue Sun, Lin Peng, Yijun He, Mengling Zha
2022 J jnl
Improving the Reconstruction of Vertical Temperature Profiles on Account of Oceanic Front Impacts.
Remote. Sens.
Xin Chen, Chen Wang, Huimin Li, Yijun He
2022 J jnl
Measurements of Total Sea Surface Mean Square Slope Field Based on SWIM Data.
IEEE Trans. Geosci. Remote. Sens.
Xiuzhong Li, Vladimir Yu. Karaev, Mariya Panfilova, Baochang Liu, Zhixiong Wang, Ying Xu, Jianqiang Liu, Yijun He
2022 J jnl
Phytoplankton Size Classes in the Global Ocean at Different Bathymetric Depths.
IEEE Trans. Geosci. Remote. Sens.
Yu Huan, Deyong Sun, Shengqiang Wang, Hailong Zhang, Zhenghao Li, Yijun He
2022 J jnl
Sea Surface Wind Retrieval Using the Combined Scatterometer and Altimeter Backscatter Measurements of the HY-2B Satellite.
IEEE Trans. Geosci. Remote. Sens.
Xiuzhong Li, Wenming Lin, Baochang Liu, Zhixiong Wang, Biao Zhang, Yijun He
2022 J jnl
Two-decadal estimation of sixteen phytoplankton pigments from satellite observations in coastal waters.
Int. J. Appl. Earth Obs. Geoinformation
Deyong Sun, Zhenghao Li, Shengqiang Wang, Hailong Zhang, Yu Huan, Yuanzhi Zhang, Yijun He
2022 J jnl
Up-to-Downwave Asymmetry of the CFOSAT SWIM Fluctuation Spectrum for Wave Direction Ambiguity Removal.
IEEE Trans. Geosci. Remote. Sens.
Huimin Li, Danièle Hauser, Bertrand Chapron, Frédéric Nouguier, Patricia Schippers, Biao Zhang, JingSong Yang, Yijun He
2021 J jnl
Intercalibration of Backscatter Measurements among Ku-Band Scatterometers Onboard the Chinese HY-2 Satellite Constellation.
Remote. Sens.
Zhixiong Wang, Juhong Zou, Youguang Zhang, Ad Stoffelen, Wenming Lin, Yijun He, Qian Feng, Yi Zhang, Bo Mu, Mingsen Lin
2021 J jnl
Remote sensing method for detecting green tide using HJ-CCD top-of-atmosphere reflectance.
Int. J. Appl. Earth Obs. Geoinformation
Hailong Zhang, Yibo Yuan, Yongjiu Xu, Xiaojing Shen, Deyong Sun, Zhongfeng Qiu, Shengqiang Wang, Yijun He
2021 J jnl
Scatterometer Sea Surface Wind Product Validation for HY-2C.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Zhixiong Wang, Juhong Zou, Ad Stoffelen, Wenming Lin, Anton Verhoef, Xiuzhong Li, Yijun He, Youguang Zhang, Mingsen Lin
2021 J jnl
Using Landsat 8 OLI data to differentiate Sargassum and
Int. J. Appl. Earth Obs. Geoinformation
Deyong Sun, Ying Chen, Shengqiang Wang, Hailong Zhang, Zhongfeng Qiu, Zhihua Mao, Yijun He
2020 J jnl
A New Concept of Full Ocean Current Vector Retrieval With Spaceborne SAR Based on Intrapulse Beam-Switching Technique.
IEEE Trans. Geosci. Remote. Sens.
Baochang Liu, Yijun He, Xiuzhong Li
2020 J jnl
Application of DINCAE to Reconstruct the Gaps in Chlorophyll-a Satellite Observations in the South China Sea and West Philippine Sea.
Remote. Sens.
Zhaohui Han, Yijun He, Guoqiang Liu, William Perrie
2020 J jnl
First Results From the Rotating Fan Beam Scatterometer Onboard CFOSAT.
IEEE Trans. Geosci. Remote. Sens.
Jianqiang Liu, Wenming Lin, Xiaolong Dong, Shuyan Lang, Risheng Yun, Di Zhu, Kuo Zhang, Congrong Sun, Bo Mu, Jianying Ma, Yijun He, Zhixiong Wang, Xiuzhong Li, Xiaokang Zhao, Xingwei Jiang
2020 J jnl
Improved Method to Suppress Azimuth Ambiguity for Current Velocity Measurement in Coastal Waters Based on ATI-SAR Systems.
Remote. Sens.
Na Yi, Yijun He, Baochang Liu
2020 C conf
Investigation of Submesoscale Eddies from Modis Color Index Products in Coastal Regions: A Case Study in Subei Shoal.
IGARSS
Gang Li, Yijun He, Guoqiang Liu, Chuanmin Hu, Yingjun Zhang
2020 J jnl
Is Radar Phase Information Useful for Sea Ice Detection in the Marginal Ice Zone?
Remote. Sens.
Fuhong Ding, Hui Shen, William Perrie, Yijun He
2020 J jnl
Multi-Sensor Observations of Submesoscale Eddies in Coastal Regions.
Remote. Sens.
Gang Li, Yijun He, Guoqiang Liu, Yingjun Zhang, Chuanmin Hu, William Perrie
2020 J jnl
Validation of New Sea Surface Wind Products From Scatterometers Onboard the HY-2B and MetOp-C Satellites.
IEEE Trans. Geosci. Remote. Sens.
Zhixiong Wang, Ad Stoffelen, Juhong Zou, Wenming Lin, Anton Verhoef, Yi Zhang, Yijun He, Mingsen Lin
2019 J jnl
A New Azimuth Ambiguity Suppression Algorithm for Surface Current Measurement in Coastal Waters and Rivers With Along-track InSAR.
IEEE Trans. Geosci. Remote. Sens.
Baochang Liu, Yijun He, Yongkang Li, Heyang Duan, Xin Song
2019 J jnl
A Perspective on the Performance of the CFOSAT Rotating Fan-Beam Scatterometer.
IEEE Trans. Geosci. Remote. Sens.
Wenming Lin, Xiaolong Dong, Marcos Portabella, Shuyan Lang, Yijun He, Risheng Yun, Zhixiong Wang, Xingou Xu, Di Zhu, Jianqiang Liu
2019 J jnl
C-Band Right-Circular Polarization Ocean Wind Retrieval.
IEEE Geosci. Remote. Sens. Lett.
Guosheng Zhang, Biao Zhang, William Perrie, Yijun He, Haiyan Li, He Fang, K. Shahid Khurshid, Kerri Warner
2019 C conf
C-band Compact-Polarimetric SAR Monitoring of Ocean Winds.
IGARSS
Guosheng Zhang, William Perrie, Biao Zhang, Yijun He
2019 J jnl
Estimation of Sea Surface Current from X-Band Marine Radar Images by Cross-Spectrum Analysis.
Remote. Sens.
Zhongbiao Chen, Biao Zhang, Vladimir N. Kudryavtsev, Yijun He, Xiaoqing Chu
2019 J jnl
Ocean Surface Wind Speed Retrieval Using Simulated RADARSAT Constellation Mission Compact Polarimetry SAR Data.
Remote. Sens.
He Fang, William Perrie, Guosheng Zhang, Xie Tao, K. Shahid Khurshid, Kerri Warner, JingSong Yang, Yijun He
2019 C conf
On the Quality of Cfosat Scatterometer Winds.
IGARSS
Wenming Lin, Marcos Portabella, Shuyan Lang, Xiaolong Dong, Xingou Xu, Zhixiong Wang, Yijun He
2019 J jnl
Remote Sensing Estimation of Sea Surface Salinity from GOCI Measurements in the Southern Yellow Sea.
Remote. Sens.
Deyong Sun, Xiaoping Su, Zhongfeng Qiu, Shengqiang Wang, Zhihua Mao, Yijun He
2019 J jnl
Statistical Characteristics of Cyclonic Warm-Core Eddies and Anticyclonic Cold-Core Eddies in the North Pacific Based on Remote Sensing Data.
Remote. Sens.
Wenjin Sun, Changming Dong, Wei Tan, Yijun He
2019 J jnl
Toward the Generation of a Wind Geophysical Model Function for Spaceborne GNSS-R.
IEEE Trans. Geosci. Remote. Sens.
Wenming Lin, Marcos Portabella, Giuseppe Foti, Ad Stoffelen, Christine Gommenginger, Yijun He
2018 J jnl
Comparison of C-Band Quad-Polarization Synthetic Aperture Radar Wind Retrieval Models.
Remote. Sens.
He Fang, Xie Tao, William Perrie, Guosheng Zhang, JingSong Yang, Yijun He
2018 J jnl
Developing a Quality Index Associated with Rain for Hurricane Winds from SAR.
Remote. Sens.
Hui Shen, Chana Seitz, William Perrie, Yijun He, Mark Powell
2018 C conf
Performances of the Rotating Fanbeam Scatterometer on Cfosat.
IGARSS
Wenming Lin, Xiaolong Dong, Xing-ou Xu, Di Zhu, Zhixiong Wang, Yijun He
2018 J jnl
Typhoon/Hurricane-Generated Wind Waves Inferred from SAR Imagery.
Remote. Sens.
Lei Zhang, Guoqiang Liu, William Perrie, Yijun He, Guosheng Zhang
2018 J jnl
Upper Ocean Response to Typhoon Kalmaegi and Sarika in the South China Sea from Multiple-Satellite Observations and Numerical Simulations.
Remote. Sens.
Xinxin Yue, Biao Zhang, Guoqiang Liu, Xiaofeng Li, Han Zhang, Yijun He
2018 J jnl
Vertical Structure Anomalies of Oceanic Eddies and Eddy-Induced Transports in the South China Sea.
Remote. Sens.
Wenjin Sun, Changming Dong, Wei Tan, Yu Liu, Yijun He, Jun Wang
2017 J jnl
A Method to Correct the Influence of Rain on X-Band Marine Radar Image.
IEEE Access
Zhongbiao Chen, Yijun He, Biao Zhang, Yufei Ma
2017 J jnl
A New Modulation Transfer Function With Range and Azimuth Dependence for Ocean Wave Spectra Retrieval From X-Band Marine Radar Observations.
IEEE Geosci. Remote. Sens. Lett.
Jidong Qiu, Biao Zhang, Zhongbiao Chen, Yijun He
2017 J jnl
An Automatic Algorithm to Retrieve Wave Height From X-Band Marine Radar Image Sequence.
IEEE Trans. Geosci. Remote. Sens.
Zhongbiao Chen, Yijun He, Biao Zhang
2017 C conf
Investigation of upper ocean response to typhoon kalmaegi (2014) using multiple satellites observation and numerical simulation.
IGARSS
Xinxin Yue, Biao Zhang, Yijun He, Zhaohui Han
2017 J jnl
Ku-Band Sea Surface Radar Backscatter at Low Incidence Angles under Extreme Wind Conditions.
Remote. Sens.
Xiuzhong Li, Biao Zhang, Alexis Mouche, Yijun He, William Perrie
2017 J jnl
Ocean Wind and Current Retrievals Based on Satellite SAR Measurements in Conjunction with Buoy and HF Radar Data.
Remote. Sens.
He Fang, Xie Tao, William Perrie, Li Zhao, JingSong Yang, Yijun He
2017 J jnl
Seasonal and Interannual Variability of Satellite-Derived Chlorophyll-a (2000-2012) in the Bohai Sea, China.
Remote. Sens.
Hailong Zhang, Zhongfeng Qiu, Deyong Sun, Shengqiang Wang, Yijun He
2016 C conf
Effects of current on electromagnetic scattering signal from one dimensional sea surface.
IGARSS
Xie Tao, Li Zhao, Yijun He, He Fang
2016 J jnl
Estimate of Tidal Constituents in Nearshore Waters Using X-Band Marine Radar Image Sequences.
IEEE Trans. Geosci. Remote. Sens.
Zhongbiao Chen, Jiayi Pan, Yijun He, Adam T. Devlin
2016 C conf
Observation of tide from X-band marine radar image sequences.
IGARSS
Zhongbiao Chen, Yijun He, Jiayi Pan, Biao Zhang, Xiaoqing Chu
2016 J jnl
Seasonal and Interannual Variability in the Wind-Driven Upwelling Along the Southern East China Sea Coast.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Yi Sun, Changming Dong, Yijun He, Kai Yu, Lionel Renault, Jinlin Ji
2016 C conf
Simulation and retrieval of CFOSAT at whitecap sea.
IGARSS
Xiuzhong Li, Yijun He, Biao Zhang
2016 C conf
Supervised oil spill classification based on fully polarimetric SAR features.
IGARSS
Yuanzhi Zhang, Yu Li, Yijun He, Tingchen Jiang
2015 J jnl
Analysis of the Polarimetric SAR Scattering Properties of Oil-Covered Waters.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Haiyan Li, William Perrie, Yijun He, Jin Wu, Xuye Luo
2015 C conf
Simultaneous multi-polarization SAR retrieval of ocean surface waves and winds from moderate to high states.
IGARSS
Biao Zhang, William Perrie, Yijun He
2014 J jnl
A Hurricane Tangential Wind Profile Estimation Method for C-Band Cross-Polarization SAR.
IEEE Trans. Geosci. Remote. Sens.
Guosheng Zhang, Biao Zhang, William Perrie, Qing Xu, Yijun He
2014 J jnl
A New Algorithm to Retrieve Wave Parameters From Marine X-Band Radar Image Sequences.
IEEE Trans. Geosci. Remote. Sens.
Zhongbiao Chen, Yijun He, Biao Zhang, Zhongfeng Qiu, Baoshu Yin
2014 C conf
A new semi-empirical sea surface microwave backscatter model coupled with the rain effect.
IGARSS
Biao Zhang, Guosheng Zhang, William Perrie, Yijun He
2014 C conf
Hurricane tangential wind profile from synthetic aperture radar observations.
IGARSS
Biao Zhang, William Perrie, Yijun He
2014 J jnl
Wind Speed Retrieval From VH Dual-Polarization RADARSAT-2 SAR Images.
IEEE Trans. Geosci. Remote. Sens.
Hui Shen, William Perrie, Yijun He, Guoqiang Liu
2013 C conf
Oil platform detection by compact polarimetric synthetic aperture radar.
IGARSS
Biao Zhang, William Perrie, Xiaofeng Li, William Pichel, Zhongfeng Qiu, Yijun He
2013 J jnl
Target Detection on the Ocean With the Relative Phase of Compact Polarimetry SAR.
IEEE Trans. Geosci. Remote. Sens.
Haiyan Li, William Perrie, Yijun He, Susanne Lehner, Stephan Brusch
2013 C conf
The infuence ofoilspilland enteromorphaon syntheticaperture radar backscatter coefficient.
IGARSS
Jie Guo, Yijun He, Biao Zhang
2013 C conf
Tropical cyclone vector winds from C-band dual-polarization synthetic aperture radar.
IGARSS
Biao Zhang, William Perrie, Yijun He, Zhongfeng Qiu, Jie Guo
2012 J jnl
Estimation of Global Wind Energy Input to the Surface Waves Based on the Scatterometer.
IEEE Geosci. Remote. Sens. Lett.
Guoqiang Liu, Yijun He, Yuanzhi Zhang, Hui Shen
2012 J jnl
Ocean Vector Winds Retrieval From C-Band Fully Polarimetric SAR Measurements.
IEEE Trans. Geosci. Remote. Sens.
Biao Zhang, William Perrie, Paris W. Vachon, Xiaofeng Li, William Pichel, Jie Guo, Yijun He
2012 J jnl
Relationships Between Ku-Band Radar Backscatter and Integrated Wind and Wave Parameters at Low Incidence Angles.
IEEE Trans. Geosci. Remote. Sens.
Xiaoqing Chu, Yijun He, Vladimir Yu. Karaev
2012 C conf
The significant wave height distribution retrieved from marine X-band radar images.
IGARSS
Zhongbiao Chen, Yijun He, Baoshu Yin, Zhongfeng Qiu
2011 J jnl
Global Drag-Coefficient Estimates From Scatterometer Wind and Wave Steepness.
IEEE Trans. Geosci. Remote. Sens.
Guoqiang Liu, Yijun He, Hui Shen, Jie Guo
2010 C conf
A new polarization ratio model from C-Band RADARSAT-2 fine Quad-Pol imagery.
IGARSS
Biao Zhang, William Perrie, Paul A. Hwang, Yijun He
2010 C conf
The propagating speed of internal solitary waves investigated by X-band radar near Dongsha island.
IGARSS
Haibin Lv, Yijun He, Hui Shen, Limin Cui, Chang-e Dou
2009 — conf
Improving Sea States Monitoring of Nautical Radar using Dispersion Relation of Nonlinear Ocean Waves.
IGARSS (3)
Haiyan Li, Limin Cui, Zhongfeng Qiu, Shufang Zhang, Yijun He
2009 — conf
On Sensitivity of Kuroshio Modeling in the Luzon Strait with ERS-1/2 Wind Field Forcing.
IGARSS (3)
Guoqiang Liu, Yijun He, Hui Shen
2009 — conf
Validation of RADARSAT-2 Polarimetric SAR Measurements of Ocean Waves.
IGARSS (3)
Yijun He, Biao Zhang, William Perrie
2008 — conf
A Parametric Algorithm to Retrieve Ocean Wave Spectra from Interferometric Synthetic Aperture Radar.
IGARSS (1)
Biao Zhang, Yijun He
2008 — conf
Neural Network Retrieval of Sea Surface Wind Speed from Advanced Microwave Scanning Radiometer-E Data.
IGARSS (1)
Biao Zhang, Yijun He, Lijing Wang
2008 — conf
Polarimetric Scattering Mechanizms of Ocean Surface from Wave Breaking or at Large Incident Angles.
IGARSS (1)
Haiyan Li, Shufang Zhang, Hui Shen, Yijun He
2008 — conf
Wave Parameters Estimated from Scatterometer Data.
IGARSS (4)
Jie Guo, Yijun He, William Perrie
2008 — conf
Wind Speed Retrievals from Multi-Sensor Satellite Data from Hurricanes and Tropical Cyclones.
IGARSS (2)
Yijun He, Biao Zhang, Hui Shen, William Perrie
2007 C conf
A comparison of models for retrieving high wind speeds.
IGARSS
Yijun He, Hui Shen, Jie Guo, William Perrie
2007 C conf
On SAR hurricane wind speed ambiguities.
IGARSS
Hui Shen, William Perrie, Yijun He
2007 C conf
Semi-analytic algorithm for retrieving pigment concentrations in the red tides areas of the east china sea.
IGARSS
Zhongfeng Qiu, Yijun He, Jun-wu Tang, Hongyan Xi
2007 C conf
Ship detection with the fuzzy c-mean clustering algorithm using fully polarimetric SAR.
IGARSS
Haiyan Li, Yijun He, Hui Shen
2007 C conf
The effect of polarization ratio on RADARSAT wind vector retrievals.
IGARSS
Yijun He, Biao Zhang, Hui Shen, William Perrie, Jie Guo
2007 J jnl
Wind-Vector Estimation for RADARSAT-1 SAR Images: Validation of Wind-Direction Estimates Based Upon Geometry Diversity.
IEEE Geosci. Remote. Sens. Lett.
Qingping Zou, Yijun He, William Perrie, Paris W. Vachon
2006 C conf
A New Method to Retrieve Near-sea Surface Meteorological Parameters.
IGARSS
Biao Zhang, Yijun He
2006 C conf
Effects of Wind on Internal Waves Synthetic Aperture Radar Images.
IGARSS
Haiyan Li, Yijun He, Tao Du, Hui Shen
2006 C conf
Progress in Determination of Wind Vectors from SAR Images.
IGARSS
Hui Shen, William Perrie, Yijun He
2006 C conf
The Analysis of Water Color Constituent Absorption Characteristics in Pearl River Estuary of China.
IGARSS
Hongyan Xi, Zhongfeng Qiu, Yijun He, Weijun Jian
2005 J jnl
A new wind vector algorithm for C-band SAR.
IEEE Trans. Geosci. Remote. Sens.
Yijun He, William Perrie, Qingping Zou, Paris W. Vachon
2005 C conf
Assimilating TOPEX/Poseidon data into an adjoint numerical tidal model in the East China Sea.
IGARSS
Zhongfeng Qiu, Yijun He
2005 C conf
Methods to evaluate the accuracy of high frequency radar by in-situ measurements.
IGARSS
Hui Shen, Yijun He, Yuan-Fu Sun, Zhongfeng Qiu
2005 C conf
Near Sea surface air temperature estimated from NOAA data.
IGARSS
Yijun He, Yumei Wu, Biao Zhang, Lijie Ma
2005 C conf
Ocean wave slope spectra extracted by ENVISAT dual-polarization SAR.
IGARSS
Yijun He, William Perrie
2005 C conf
Study internal waves in north west of south china sea by satellite images.
IGARSS
Hui Shen, Yijun He
2004 J jnl
Ocean wave spectra from a linear polarimetric SAR.
IEEE Trans. Geosci. Remote. Sens.
Yijun He, William Perrie, Xie Tao, Qingping Zou
2004 C conf
The scattering fields of 2-D sea fractal surface with finite conductivity illuminated by ellipse polarization wave. Part One. Scattering fields in Cartesian coordinates.
IGARSS
Xie Tao, Binhong Li, Wenjun Chen, Yijun He
2004 C conf
The scattering fields of 2-D sea fractal surface with finite conductivity illuminated by ellipse polarization wave. Part two. Scattering matrix and numerical results.
IGARSS
Xie Tao, Yijun He, Binhong Li, Wenjun Chen
2004 C conf
Wind vector inversion from RADARSAT SAR images: a new algorithm.
IGARSS
Qingping Zou, Yijun He, William Perrie, Paris W. Vachon