Spiders: A New User Interface for Rotation and Visualization of N-dimensional Point Sets. - Kirk L. Duffin; William A. Barrett (IEEE Visualization, 1994)

Globally Optimal Image Mosaics. - Kirk L. Duffin; William A. Barrett (Graphics Interface, 1998)

Fast Focal Length Solution in Partial Panoramic Image Stitching. - Kirk L. Duffin; William A. Barrett (CVPR (2), 2001)

A web-based interactive landform simulation model (WILSIM). - Wei Luo 002; Kirk L. Duffin; Edit Peronja; Jay A. Stravers; George M. Henry (Comput. Geosci., 2004)

Incorporating nonlinear rules in a web-based interactive landform simulation model (WILSIM). - Wei Luo 002; Edit Peronja; Kirk L. Duffin; Jay A. Stravers (Comput. Geosci., 2006)

An Analysis of a Distributed GPU Implementation of Proton Computed Tomographic (pCT) Reconstruction. - Kirk L. Duffin; Nicholas T. Karonis; Caesar E. Ordoñez; Michael E. Papka; George Coutrakon; Béla Erdélyi; Eric C. Olson; Thomas D. Uram (SC Companion, 2012)

Performance Model Selection for Learning-based Biological Image Analysis on a Cluster. - Jie Zhou 023; Anthony Brunson; John Winans; Kirk L. Duffin; Nicholas T. Karonis (BCB, 2013)

Distributed and hardware accelerated computing for clinical medical imaging using proton computed tomography (pCT). - Nicholas T. Karonis; Kirk L. Duffin; Caesar E. Ordoñez; Béla Erdélyi; Thomas D. Uram; Eric C. Olson; George Coutrakon; Michael E. Papka (J. Parallel Distributed Comput., 2013)

A Real-time Image Reconstruction System for Particle Treatment Planning Using Proton Computed Tomography (pCT). - Caesar E. Ordoñez; Nicholas T. Karonis; Kirk L. Duffin; George Coutrakon; Reinhard W. Schulte; Robert P. Johnson; Mark Pankuch (CoRR, 2017)

Scalable pCT Image Reconstruction Delivered as a Cloud Service. - Ryan Chard; Ravi K. Madduri; Nicholas T. Karonis; Kyle Chard; Kirk L. Duffin; Caesar E. Ordoñez; Thomas D. Uram; Justin Fleischauer; Ian T. Foster; Michael E. Papka; John Winans (IEEE Trans. Cloud Comput., 2018)

Earth surface modeling for education: How effective is it? Four semesters of classroom tests with WILSIM-GC. - Wei Luo 002; Thomas J. Smith; Kyle Whalley; Andrew Darling; Carol Ormand; Wei-Chen Hung; Jui-Ling Chiang; Jon Pelletier; Kirk L. Duffin (Br. J. Educ. Technol., 2019)

Particle-Tracking Proton Computed Tomography - Data Acquisition, Preprocessing, and Preconditioning. - Blake Schultze; Paniz Karbasi; Christina Sarosiek; George Coutrakon; Caesar E. Ordoñez; Nicholas T. Karonis; Kirk L. Duffin; Vladimir Bashkirov; Robert P. Johnson; Keith E. Schubert; Reinhard W. Schulte (IEEE Access, 2021)