Hector J Santos-Villalobos Group Leader / Senior R&D Staff Contact | 865.574.0215 All Publications Improved Synthetic Aperture Focusing Technique Results of Thick Concrete Specimens through Frequency Banding... Development of Acoustic Model-Based Iterative Reconstruction Technique for Thick-Concrete Imaging... Non-uniform Neutron Source Approximation for Iterative Reconstruction of Coded Source Images Magnified Neutron Radiography with Coded Sources... Development of Acoustic Model-Based Iterative Reconstruction Technique for Thick-Concrete Imaging... The stiffness tensor for composites with curved discontinuous fibers... Model-Based Least Squares Reconstruction of Coded Source Neutron Radiographs: Integrating the ORNL HFIR CG1D Source Model... Magnified neutron radiography with coded sources... Effects of Iris Surface Curvature on Iris Recognition... Off-Angle Iris Correction using a Biological Model... Off-Angle Iris Correction using a Biological Model... Limbus Impact on Off-angle Iris Degradation... Iterative Reconstruction of Coded Source Neutron Radiographs... Gaze Estimation for Off-Angle Iris Recognition Based on the Biometric Eye Model... An Iris Segmentation Algorithm based on Edge Orientation for Off-angle Iris Recognition ... Neutron imaging with coded sources: new challenges and the implementation of a simultaneous iterative reconstruction techniqu... Iterative Reconstruction of Coded Source Neutron Radiographs... ORNL Biometric Eye Model for Iris Recognition... Non-Uniform Contrast and Noise Correction for Coded Source Neutron Imaging... Statistical Characterization and Segmentation of Drusen in Fundus Images... Coded source neutron imaging... Pagination First page « First Previous page ‹‹ Page 1 Current page 2 Key Links ORCID Organizations National Security Sciences Directorate Cyber Resilience and Intelligence Division Advanced Intelligent Systems Section Data Science and Visualization