Free and open source geographic information tools for landscape ecology. - Stefan Steiniger; Geoffrey J. Hay (Ecol. Informatics, 2009)

Development of a pit filling algorithm for LiDAR canopy height models. - Joshua R. Ben-Arie; Geoffrey J. Hay; Ryan Powers; Guillermo Castilla; Benoît St-Onge (Comput. Geosci., 2009)

Estimation of forest height, biomass and volume using support vector regression and segmentation from lidar transects and Quickbird imagery. - Gang Chen 015; Geoffrey J. Hay; Yanlian Zhou (Geoinformatics, 2010)

A multiscale geographic object-based image analysis to estimate lidar-measured forest canopy height using Quickbird imagery. - Gang Chen 015; Geoffrey J. Hay; Guillermo Castilla; Benoît St-Onge; Ryan Powers (Int. J. Geogr. Inf. Sci., 2011)

Collective Sensing: Integrating Geospatial Technologies to Understand Urban Systems - An Overview. - Thomas Blaschke; Geoffrey J. Hay; Qihao Weng; Bernd Resch (Remote. Sens., 2011)

Geospatial Technologies to Improve Urban Energy Efficiency. - Geoffrey J. Hay; Christopher Kyle; Bharanidharan Hemachandran; Gang Chen 015; Mir Mustafizur Rahman; Tak S. Fung; Joseph L. Arvai (Remote. Sens., 2011)

A GEOBIA framework to estimate forest parameters from lidar transects, Quickbird imagery and machine learning: A case study in Quebec, Canada. - Gang Chen 015; Geoffrey J. Hay; Benoît St-Onge (Int. J. Appl. Earth Obs. Geoinformation, 2012)

Geographic Object-Based Mosaicing (OBM) of High-Resolution Thermal Airborne Imagery (TABI-1800) to Improve the Interpretation of Urban Image Objects. - Mir Mustafizur Rahman; Geoffrey J. Hay; Isabelle Couloigner; Bharanidharan Hemachandran; Jeremy Bailin; Yilong Zhang; Ashley Tam (IEEE Geosci. Remote. Sens. Lett., 2013)

Supporting Urban Energy Efficiency with Volunteered Roof Information and the Google Maps API. - Bilal Abdulkarim; Rustam Kamberov; Geoffrey J. Hay (Remote. Sens., 2014)

Transforming Image-Objects into Multiscale Fields: A GEOBIA Approach to Mitigate Urban Microclimatic Variability within H-Res Thermal Infrared Airborne Flight-Lines. - Mir Mustafizur Rahman; Geoffrey J. Hay; Isabelle Couloigner; Bharanidharan Hemachandran (Remote. Sens., 2014)

An Assessment of Polynomial Regression Techniques for the Relative Radiometric Normalization (RRN) of High-Resolution Multi-Temporal Airborne Thermal Infrared (TIR) Imagery. - Mir Mustafizur Rahman; Geoffrey J. Hay; Isabelle Couloigner; Bharanidharan Hemachandran; Jeremy Bailin (Remote. Sens., 2014)

Integrating GEOBIA, Machine Learning, and Volunteered Geographic Information to Map Vegetation over Rooftops. - David C. Griffith; Geoffrey J. Hay (ISPRS Int. J. Geo Inf., 2018)

Geobia Achievements and Spatial Opportunities in the Era of Big Earth Observation Data. - Stefan Lang 001; Geoffrey J. Hay; Andrea Baraldi 001; Dirk Tiede; Thomas Blaschke (ISPRS Int. J. Geo Inf., 2019)

Geographic Object-Based Image Analysis: A Primer and Future Directions. - Maja Kucharczyk; Geoffrey J. Hay; Salar Ghaffarian; Chris H. Hugenholtz (Remote. Sens., 2020)