Dongryeol Ryu

45 papers C 14Journal 30Unranked 1
YearRankTypeTitle / Venue / Authors
2025 J jnl
A novel architecture for automated delineation of the agricultural fields using partial training data in remote sensing images.
Comput. Electron. Agric.
Sumesh KC, Jagannath Aryal, Dongryeol Ryu
2025 J jnl
Improving the accuracy of remotely sensed TSS and turbidity using quality enhanced water reflectance by a statistical resampling technique.
Int. J. Appl. Earth Obs. Geoinformation
Kunwar Abhishek Singh, Dongryeol Ryu, Meenakshi Arora, Manoj Kumar Tiwari, Bhabagrahi Sahoo
2024 C conf
Uncertainty Analysis of Water Cloud Model Calibration for Soil Moisture Retrieval from SAR Data.
IGARSS
Shilpa Koyyan, Dongryeol Ryu, Andrew W. Western, D. Nagesh Kumar
2023 C conf
Automated Delineation of the Agricultural Fields using Multi-Task Deep Learning and Optical Satellite Imagery.
IGARSS
Sumesh KC, Jagannath Aryal, Dongryeol Ryu
2023 C conf
Evaluating the Contribution of Cx to Leaf Nitrogen Quantification using Fluspect and Airborne Imaging Spectroscopy in Almond Orchards.
IGARSS
Yue Wang, Lola Suárez, Dongryeol Ryu, Pablo J. Zarco-Tejada
2023 J jnl
Longwave infrared multispectral image sensor system using aluminum-germanium plasmonic filter arrays.
CoRR
Noor E. Karishma Shaik, Bryce Widdicombe, Dechuan Sun, Sam E. John, Dongryeol Ryu, Ampalavanapillai Nirmalathas, Ranjith R. Unnithan
2023 C conf
Mapping Vegetation Water Content over Agricultural Landscapes Using Satellite C- and X-Band Synthetic Aperture Radar.
IGARSS
Dongryeol Ryu, Sun-Gu Lee
2023 J jnl
Normalized Temperature Drought Index (NTDI) for Soil Moisture Monitoring Using MODIS and Landsat-8 Data.
Remote. Sens.
Liangliang Tao, Yangliu Di, Yuqi Wang, Dongryeol Ryu
2023 C conf
Simulating the Backscattering of L-Band Synthetic Aperture Radar from a Wheat Field using Smapvex12 Data.
IGARSS
Lilangi Wijesinghe, Dongryeol Ryu, Andrew Western, Jagannath Aryal, Yuan Zhang
2023 C conf
Standalone SAR Soil Moisture Retrieval Using Radar Vegetation Indices.
IGARSS
Shilpa Koyyan, D. Nagesh Kumar, Dongryeol Ryu
2023 C conf
Synergistic Use of Sentinel-1 and Sentinel-2 Images for in-Season Crop Type Classification Using Google Earth Engine and Machine Learning.
IGARSS
Sneha Sharma, Dongryeol Ryu, Sumesh KC, Sun-Gu Lee, Seungtaek Jeong
2023 J jnl
Training sample selection for robust multi-year within-season crop classification using machine learning.
Comput. Electron. Agric.
Zitian Gao, Danlu Guo, Dongryeol Ryu, Andrew W. Western
2022 J jnl
Comparison of KOMPSAT-5 and Sentinel-1 Radar Data for Soil Moisture Estimations Using a New Semi-Empirical Model.
Remote. Sens.
Liangliang Tao, Dongryeol Ryu, Andrew Western, Sun-Gu Lee
2022 J jnl
Enhancing the Accuracy and Temporal Transferability of Irrigated Cropping Field Classification Using Optical Remote Sensing Imagery.
Remote. Sens.
Zitian Gao, Danlu Guo, Dongryeol Ryu, Andrew W. Western
2022 C conf
Leaf Nitrogen Assessment with ISS DESIS Imaging Spectrometer as Compared to High-Resolution Airborne Hyperspectral Imagery.
IGARSS
Yue Wang, Lola Suárez, Victoria González-Dugo, Dongryeol Ryu, Peter Moar, Pablo J. Zarco-Tejada
2022 J jnl
Parsimonious Gap-Filling Models for Sub-Daily Actual Evapotranspiration Observations from Eddy-Covariance Systems.
Remote. Sens.
Danlu Guo, Arash Parehkar, Dongryeol Ryu, Quan J. Wang, Andrew W. Western
2021 J jnl
A New Drought Index for Soil Moisture Monitoring Based on MPDI-NDVI Trapezoid Space Using MODIS Data.
Remote. Sens.
Liangliang Tao, Dongryeol Ryu, Andrew Western, Dale Boyd
2021 C conf
Assessing the Contribution of Airborne-Retrieved Chlorophyll Fluorescence for Nitrogen Assessment in Almond Orchards.
IGARSS
Yue Wang, Lola Suárez, Xiaojin Qian, Tomas Poblete, Victoria González-Dugo, Dongryeol Ryu, Pablo J. Zareo-Tejada
2021 J jnl
Dependence of CWSI-Based Plant Water Stress Estimation with Diurnal Acquisition Times in a Nectarine Orchard.
Remote. Sens.
Suyoung Park, Dongryeol Ryu, Sigfredo Fuentes, Hoam Chung, Mark O'Connell, Junchul Kim
2021 J jnl
Mapping Very-High-Resolution Evapotranspiration from Unmanned Aerial Vehicle (UAV) Imagery.
ISPRS Int. J. Geo Inf.
Suyoung Park, Dongryeol Ryu, Sigfredo Fuentes, Hoam Chung, Mark O'Connell, Junchul Kim
2021 J jnl
Modeling Vegetation Water Stress over the Forest from Space: Temperature Vegetation Water Stress Index (TVWSI).
Remote. Sens.
Rakesh Chandra Joshi, Dongryeol Ryu, Gary J. Sheridan, Patrick N. J. Lane
2021 J jnl
Using Remote Sensing Techniques to Improve Hydrological Predictions in a Rapidly Changing World.
Remote. Sens.
Yongqiang Zhang, Dongryeol Ryu, Donghai Zheng
2021 J jnl
Which multispectral indices robustly measure canopy nitrogen across seasons: Lessons from an irrigated pasture crop.
Comput. Electron. Agric.
Manish Kumar Patel, Dongryeol Ryu, Andrew W. Western, Helen Suter, Iain M. Young
2020 C conf
Intercomparison of X- and C-Bands Active Microwave Soil Moisture Retrievals Over Dryland Wheat Fields.
IGARSS
Liangliang Tao, Dongryeol Ryu, Andrew Western, Sun-Gu Lee
2020 C conf
Multi-Temporal Assessment of X-Band SAR Soil Moisture Retrievals Across Growth Stages of a Dryland Wheat Field.
IGARSS
Dongryeol Ryu, Liangliang Tao, Andrew W. Western, Sun-Gu Lee
2020 C conf
Status of the Kompsat-5 SAR Mission, Utilization and Future Plans.
IGARSS
Sun-Gu Lee, Seung-Jae Lee, Heeseob Kim, Tea-Byeong Chea, Dongryeol Ryu
2019 J jnl
A Laboratory Study on Non-Invasive Soil Water Content Estimation Using Capacitive Based Sensors.
Sensors
Amir Orangi, Guillermo A. Narsilio, Dongryeol Ryu
2019 J jnl
An evaluation of ECMWF SEAS5 seasonal climate forecasts for Australia using a new forecast calibration algorithm.
Environ. Model. Softw.
Quan J. Wang, Yawen Shao, Yong Song, Andrew Schepen, David E. Robertson, Dongryeol Ryu, Florian Pappenberger
2019 J jnl
Impact of Urban Cover Fraction on SMOS and SMAP Surface Soil Moisture Retrieval Accuracy.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Nan Ye, Jeffrey P. Walker, Christoph Rüdiger, Dongryeol Ryu, Robert J. Gurney
2019 J jnl
Visible and Near-Infrared Reflectance Spectroscopy Analysis of a Coastal Soil Chronosequence.
Remote. Sens.
Guanghui Zheng, Dongryeol Ryu, Caixia Jiao, Xianli Xie, Xuefeng Cui, Gang Shang
2018 J jnl
Analysis of Data Acquisition Time on Soil Moisture Retrieval From Multiangle L-Band Observations.
IEEE Trans. Geosci. Remote. Sens.
Sandy Peischl, Jeffrey P. Walker, Dongryeol Ryu, Yann H. Kerr
2018 J jnl
Automatic Coregistration Algorithm to Remove Canopy Shaded Pixels in UAV-Borne Thermal Images to Improve the Estimation of Crop Water Stress Index of a Drip-Irrigated Cabernet Sauvignon Vineyard.
Sensors
Tomas Poblete, Samuel Ortega-Farías, Dongryeol Ryu
2018 J jnl
Evaluation of the Tau-Omega Model for Passive Microwave Soil Moisture Retrieval Using SMAPEx Datasets.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Ying Gao, Jeffrey P. Walker, Nan Ye, Rocco Panciera, Alessandra Monerris, Dongryeol Ryu, Christoph Rüdiger, Thomas J. Jackson
2017 J jnl
Adaptive Estimation of Crop Water Stress in Nectarine and Peach Orchards Using High-Resolution Imagery from an Unmanned Aerial Vehicle (UAV).
Remote. Sens.
Suyoung Park, Dongryeol Ryu, Sigfredo Fuentes, Hoam Chung, Esther Hernández-Montes, Mark O'Connell
2016 J jnl
Disaggregation of Low-Resolution L-Band Radiometry Using C-Band Radar Data.
IEEE Geosci. Remote. Sens. Lett.
Christoph Rüdiger, Chun-Hsu Su, Dongryeol Ryu, Wolfgang Wagner
2015 J jnl
Mapping Flooded Rice Paddies Using Time Series of MODIS Imagery in the Krishna River Basin, India.
Remote. Sens.
Pardhasaradhi Teluguntla, Dongryeol Ryu, Biju George, Jeffrey P. Walker, Hector M. Malano
2015 J jnl
Optical Sensing of Vegetation Water Content: A Synthesis Study.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Ying Gao, Jeffrey P. Walker, Mahdi Allahmoradi, Alessandra Monerris, Dongryeol Ryu, Thomas J. Jackson
2014 J jnl
Clarifications on the "Comparison Between SMOS, VUA, ASCAT, and ECMWF Soil Moisture Products Over Four Watersheds in U.S.".
IEEE Trans. Geosci. Remote. Sens.
Wolfgang Wagner, Luca Brocca, Vahid Naeimi, Rolf Reichle, Clara Draper, Richard de Jeu, Dongryeol Ryu, Chun-Hsu Su, Andrew Western, Jean-Christophe Calvet, Yann H. Kerr, Delphine J. Leroux, Matthias Drusch, Thomas J. Jackson, Sebastian Hahn, Wouter Dorigo, Christoph Paulik
2014 J jnl
The Soil Moisture Active Passive Experiments (SMAPEx): Toward Soil Moisture Retrieval From the SMAP Mission.
IEEE Trans. Geosci. Remote. Sens.
Rocco Panciera, Jeffrey P. Walker, Thomas J. Jackson, Douglas A. Gray, Mihai A. Tanase, Dongryeol Ryu, Alessandra Monerris, Heath Yardley, Christoph Rüdiger, Xiaoling Wu, Ying Gao, Jörg M. Hacker
2012 C conf
An airborne simulation of the SMAP data stream.
IGARSS
Jeffrey P. Walker, Peggy O'Neill, Xiaoling Wu, Ying Gao, Alessandra Monerris, Rocco Panciera, Thomas J. Jackson, Douglas A. Gray, Dongryeol Ryu
2012 J jnl
Soil Salinity Impacts on L-Band Remote Sensing of Soil Moisture.
IEEE Geosci. Remote. Sens. Lett.
Kaighin Alexander McColl, Dongryeol Ryu, Vjekoslav Matic, Jeffrey P. Walker, Justin Costelloe, Christoph Rüdiger
2012 J jnl
Wheat Canopy Structure and Surface Roughness Effects on Multiangle Observations at L-Band.
IEEE Trans. Geosci. Remote. Sens.
Sandy Peischl, Jeffrey P. Walker, Dongryeol Ryu, Yann H. Kerr, Rocco Panciera, Christoph Rüdiger
2010 J jnl
Soil Moisture Retrieval Using a Two-Dimensional L-Band Synthetic Aperture Radiometer in a Semiarid Environment.
IEEE Trans. Geosci. Remote. Sens.
Dongryeol Ryu, Thomas J. Jackson, Rajat Bindlish, David M. Le Vine, Michael Haken
2008 — conf
Soil Moisture Retrieval Using an L-Band Synthetic Aperture Radiometer During the Soil Moisture Experiments 2003 (SMEX03) and 2004 (SMEX04).
IGARSS (2)
Dongryeol Ryu, Thomas J. Jackson, Rajat Bindlish, David M. Le Vine, Michael Haken
2007 C conf
Two-dimensional synthetic aperture radiometry over land surface during soil moisture experiment in 2003 (SMEX03).
IGARSS
Dongryeol Ryu, Thomas J. Jackson, Rajat Bindlish, David M. Le Vine, Michael Haken