Chandi Witharana

20 papers Journal 19Unranked 1
YearRankTypeTitle / Venue / Authors
2025 J jnl
Automated Detection of Beaver-Influenced Floodplain Inundations in Multi-Temporal Aerial Imagery Using Deep Learning Algorithms.
ISPRS Int. J. Geo Inf.
Evan Zocco, Chandi Witharana, Isaac M. Ortega, William Ouimet
2025 J jnl
Classification of tree mortality following drought-defoliation interaction using single date Landsat imagery and comparison to aerial detection surveys.
Int. J. Appl. Earth Obs. Geoinformation
Danielle N. Tanzer, Chandi Witharana, Robert T. Fahey
2025 J jnl
DashCam Video: A complementary low-cost data stream for on-demand forest-infrastructure system monitoring.
CoRR
Durga Joshi, Chandi Witharana, Robert T. Fahey, Thomas Worthley, Zhe Zhu, Diego Cerrai
2025 J jnl
Pan-Arctic Permafrost Landform and Human-built Infrastructure Feature Detection with Vision Transformers and Location Embeddings.
CoRR
Amal Shehan Perera, David Fernandez, Chandi Witharana, Elias Manos, Michael Pimenta, Anna K. Liljedahl, Ingmar Nitze, Yili Yang, Todd Nicholson, Chia-Yu Hsu, Wenwen Li, Guido Grosse
2024 J jnl
Hyperparameter Optimization for Large-Scale Remote Sensing Image Analysis Tasks: A Case Study Based on Permafrost Landform Detection Using Deep Learning.
IEEE Access
Amal Shehan Perera, Chandi Witharana, Elias Manos, Anna K. Liljedahl
2024 J jnl
Segment Anything Model Can Not Segment Anything: Assessing AI Foundation Model's Generalizability in Permafrost Mapping.
CoRR
Wenwen Li, Chia-Yu Hsu, Sizhe Wang, Yezhou Yang, Hyunho Lee, Anna Liljedahl, Chandi Witharana, Yili Yang, Brendan M. Rogers, Samantha T. Arundel, Matthew B. Jones, Kenton McHenry, Patricia Solís
2024 J jnl
Segment Anything Model Can Not Segment Anything: Assessing AI Foundation Model's Generalizability in Permafrost Mapping.
Remote. Sens.
Wenwen Li, Chia-Yu Hsu, Sizhe Wang, Yezhou Yang, Hyunho Lee, Anna Liljedahl, Chandi Witharana, Yili Yang, Brendan M. Rogers, Samantha T. Arundel, Matthew B. Jones, Kenton McHenry, Patricia Solís
2023 J jnl
Can Plot-Level Photographs Accurately Estimate Tundra Vegetation Cover in Northern Alaska?
Remote. Sens.
Hana L. Sellers, Sergio A. Vargas Zesati, Sarah C. Elmendorf, Alexandra Locher, Steven F. Oberbauer, Craig E. Tweedie, Chandi Witharana, Robert D. Hollister
2023 J jnl
Real-time GeoAI for High-resolution Mapping and Segmentation of Arctic Permafrost Features.
CoRR
Wenwen Li, Chia-Yu Hsu, Sizhe Wang, Chandi Witharana, Anna Liljedahl
2022 J jnl
Automated Detection of Retrogressive Thaw Slumps in the High Arctic Using High-Resolution Satellite Imagery.
Remote. Sens.
Chandi Witharana, Mahendra Rajitha Udawalpola, Anna K. Liljedahl, Melissa K. Ward Jones, Benjamin M. Jones, Amit Hasan, Durga Joshi, Elias Manos
2022 J jnl
Convolutional Neural Networks for Automated Built Infrastructure Detection in the Arctic Using Sub-Meter Spatial Resolution Satellite Imagery.
Remote. Sens.
Elias Manos, Chandi Witharana, Mahendra Rajitha Udawalpola, Amit Hasan, Anna K. Liljedahl
2022 — conf
Real-time GeoAI for high-resolution mapping and segmentation of arctic permafrost features: the case of ice-wedge polygons.
GeoAI@SIGSPATIAL
Wenwen Li, Chia-Yu Hsu, Sizhe Wang, Chandi Witharana, Anna Liljedahl
2021 J jnl
An Object-Based Approach for Mapping Tundra Ice-Wedge Polygon Troughs from Very High Spatial Resolution Optical Satellite Imagery.
Remote. Sens.
Chandi Witharana, Md Abul Ehsan Bhuiyan, Anna K. Liljedahl, Mikhail Kanevskiy, M. Torre Jorgenson, Benjamin M. Jones, Ronald Daanen, Howard E. Epstein, Claire G. Griffin, Kelcy Kent, Melissa K. Ward Jones
2021 J jnl
Mapping Relict Charcoal Hearths in New England Using Deep Convolutional Neural Networks and LiDAR Data.
Remote. Sens.
Ji Won Suh, Eli Anderson, William Ouimet, Katharine M. Johnson, Chandi Witharana
2021 J jnl
Multi-Dimensional Remote Sensing Analysis Documents Beaver-Induced Permafrost Degradation, Seward Peninsula, Alaska.
Remote. Sens.
Benjamin M. Jones, Ken D. Tape, Jason A. Clark, Allen C. Bondurant, Melissa K. Ward Jones, Benjamin V. Gaglioti, Clayton D. Elder, Chandi Witharana, Charles E. Miller
2020 J jnl
Understanding the Effects of Optimal Combination of Spectral Bands on Deep Learning Model Predictions: A Case Study Based on Permafrost Tundra Landform Mapping Using High Resolution Multispectral Satellite Imagery.
J. Imaging
Md Abul Ehsan Bhuiyan, Chandi Witharana, Anna K. Liljedahl, Benjamin M. Jones, Ronald Daanen, Howard E. Epstein, Kelcy Kent, Claire G. Griffin, Amber Agnew
2020 J jnl
Use of Very High Spatial Resolution Commercial Satellite Imagery and Deep Learning to Automatically Map Ice-Wedge Polygons across Tundra Vegetation Types.
J. Imaging
Md Abul Ehsan Bhuiyan, Chandi Witharana, Anna K. Liljedahl
2018 J jnl
Deep Convolutional Neural Networks for Automated Characterization of Arctic Ice-Wedge Polygons in Very High Spatial Resolution Aerial Imagery.
Remote. Sens.
Weixing Zhang, Chandi Witharana, Anna K. Liljedahl, Mikhail Kanevskiy
2018 J jnl
Using Deep Learning to Identify Utility Poles with Crossarms and Estimate Their Locations from Google Street View Images.
Sensors
Weixing Zhang, Chandi Witharana, Weidong Li, Chuanrong Zhang, Xiaojiang Li, Jason Parent
2016 J jnl
An Object-Based Image Analysis Approach for Detecting Penguin Guano in very High Spatial Resolution Satellite Images.
Remote. Sens.
Chandi Witharana, Heather J. Lynch