Chandi Witharana
Assistant Professor/Natural Resources and Environ

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Who does what where? Advanced earth observation for humanitarian crisis management
Research Type: Conference Proceedings

Vision Transformers for Pan-Arctic Scale Mapping Applications  
2025
Research Type: Poster/Presentation

Vision Transformer-Based Unhealthy Tree Crown Detection in Mixed Northeastern US Forests and Evaluation of Annotation Uncertainty
2025
Durga Joshi, Chandi Witharana
Research Type: Journal Article

Using leaf reflectance to detect infestation by potato leafhopper, Empoasca fabae (Hemiptera: Cicadellidae), in beans
2023
Research Type: Poster/Presentation

Using leaf reflectance to detect infestation by potato leafhopper, Empoasca fabae (Hemiptera: Cicadellidae) in beans
2023
Research Type: Poster/Presentation

Using deep learning to identify geographic objects and estimate their locations from Google Street View images: A case study of utility poles with crossarms
2018
Weixing Zhang, Xiaojiang Li, Jason Parent, Chuanrong Zhang, Weidong Li, Chandi Witharana
Research Type: Journal Article

Using LiDAR and GEOBIA for automated extraction of eighteenth--late nineteenth century relict charcoal hearths in southern New England
2018
Chandi Witharana, Katharine M Johnson, William B Ouimet
Research Type: Journal Article

Using LiDAR and GEOBIA for automated extraction of 18th-late 19th century relict charcoal hearths in southern New England
2018
Katharine Johnson, Chandi Witharana, William B Ouimet
Research Type: Journal Article

Using Landsat 8 data to compare percent impervious surface area and normalized difference vegetation index as indicators of urban heat island effects in Connecticut, USA
2020
Chandi Witharana, James Hurd, Zhiyuan Yang, Siqin Tong, Kao Wang, Runmei Hao
Research Type: Journal Article

Using Deep Learning to Identify Utility Poles with Crossarms and Estimate Their Locations from Google Street View Images
2018
Weidong Li, Jason R Parent, W. Zhang, Chuanrong Zhang, X. Li
Research Type: Journal Article

Use of Very High Spatial Resolution Commercial Satellite Imagery and Deep Learning to Automatically Map Ice-Wedge Polygons across Tundra Vegetation Types
2020
MD Abul Ehsan Bhuiyan, Chandi Witharana, Anna Liljedahl
Research Type: Journal Article

Use of Commercial Satellite Imagery to Monitor Changing Arctic Polygonal Tundra
2022
Chandi Witharana, Amit Hasan, Anna Liljedhal, Mahendra R Udawalpola
Research Type: Journal Article

Unveiling Arctic Capillary Networks' Hydrological Dynamics: A Graph Theory Perspective
2025
Anna K Liljedahl, Michael Pimenta, Amal S Perera, Chandi Witharana
Research Type: Journal Article

Understanding the synergies of deep learning and data fusion of multispectral and panchromatic high resolution commercial satellite imagery for automated ice-wedge polygon detection
2020
Benjamin M Jones, Md Abul Ehsan Bhuiyan, Anna K Liljedahl, Chandi Witharana, Howard E Epstein, Amber Agnew, Ronald Daanen, Mikhail Kanevskiy
Research Type: Journal Article

Understanding the effect of spectral variance on deep learning model predictions: A case study on automated ice-wedge polygon extraction from multispectral commercial satellite imagery using Mask R-CNN algorithm
Anna K Liljedahl, Chandi Witharana, Md Abul Ehsan Bhuiyan
Research Type: Journal Article

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
2020
Chandi Witharana, Benjamin M Jones, Md Abul Ehsan Bhuiyan, Ronald Daanen, Anna K Liljedahl, Howard E Epstein, Kelcy Kent, Claire G Griffin
Research Type: Journal Article

Understanding Permafrost Landscape Evolution: Ice-Wedge Trough Network Change Detection from Historical Aerial Imagery using Convolutional Neural Networks and Graph Analysis
2022
Melissa Ward Jones, Elias Manos, Anna Liljedhal, Chandi Witharana, Benjamin Jones
Research Type: Poster/Presentation

Two-stage Deep Learning Model for Efficient Detection of Arctic Ice-Wedge Polygons in Very High Spatial Resolution Satellite Imagery
Chandi Witharana, Amit Hasan, Anna Liljedahl, Mahendra Udawalpola
Research Type: Journal Article

Tree Trimming Effects on 3-Dimensional Crown Structure and Tree Biomechanics: A Pilot Project
2024
Robert T Fahey, Amanda Bunce, Brandon Alveshere, Thomas Worthley, Nicholas Cranmer, Chandi Witharana
Research Type: Journal Article

Translating Big Imagery into Arctic Science Ready Products
2022
Research Type: Poster/Presentation