Publications

SURVIVRS: Surround Video-Based Virtual Reality for Surgery Guidance

Amani Taweel, Joaquim Jorge, Anderson Maciel, João Ricardo Nickenig Vissoci, Regis Kopper

SURVIVRS: Surround Video-Based Virtual Reality for Surgery Guidance

Amani Taweel, Joaquim Jorge, Anderson Maciel, João Ricardo Nickenig Vissoci, Regis Kopper

Real-Time Viewport-Aware Optical Flow Estimation in 360-degree Videos for Visually-Induced Motion Sickness Mitigation

Zekun Cao, Regis Kopper

Exploring Affordances for AR in Laparoscopy

Matheus Negrão, Joaquim Jorge, João Vissoci, Regis Kopper, Anderson Maciel

Does Adding Physical Realism to Virtual Reality Training Reduce Time Compression?

Kadir Lofca, Jason Jerald, Dalton Costa, Regis Kopper

Does Adding Physical Realism to Virtual Reality Training Reduce Time Compression?

Kadir Lofca, Jason Jerald, Dalton Costa, Regis Kopper

Development of an Immersive Virtual Colonoscopy Viewer for Colon Growths Diagnosis

João Serras, Anderson Maciel, Soraia Paulo, Andrew Duchowski, Regis Kopper, Catarina Moreira, Joaquim Jorge

Comparing Visual Search Patterns in Chest X-Ray Diagnostics

Radiologists are trained professionals who use medical images to obtain clinically relevant information. However, little is known about …

Catarina Moreira, Diogo Miguel Alvito, Sandra Costa Sousa, Isabel Maria Gomes Blanco Nobre, Chun Ouyang, Regis Kopper, Andrew Duchowski, Joaquim Jorge

Assessing the Impact of Alert Modalities on User Performance and Comprehension in ControlledWorkload Conditions

Jeronimo Grandi, Zekun Cao, Dalton Costa, Regis Kopper

A Continuous Authentication Technique for XR Utilizing Time-Based One Time Passwords, Haptics, and Kinetic Activity

Jerônimo G Grandi, Jerry Terrell, Kadir Lofca, Carlos Ruizvalencia, Regis Kopper

Studying the Effect of Physical Realism on Time Perception in a HAZMAT VR Simulation

Kadir Lofca, Jason Haskins, Jason Jerald, Regis Kopper

Foreword to the Special Section on the 2021 Symposium on Virtual and Augmented Reality (SVR 2021)

Daniela Gorski Trevisan, Regis Kopper, Victor Adriel de Jesus Oliveira

VR Neuro Game: a Virtual Reality Game to Support Neuroanatomy Teaching and Learning

Vinı́cius Souza, Anderson Maciel, Luciana Nedel, Regis Kopper, Klaus Loges, Eliane Schlemmer

Measuring Presence in Virtual Environments: A Survey

The effectiveness of a virtual reality experience is strongly affected by the sense of presence of the users involved. This article …

Vinicius Souza, Anderson Maciel, Luciana Nedel, Regis Kopper

Psychophysiological Markers of Performance and Learning during Simulated Marksmanship in Immersive Virtual Reality

Sicong Liu, Jillian M Clements, Elayna P Kirsch, Hrishikesh M Rao, David J Zielinski, Yvonne Lu, Boyla O Mainsah, Nicholas D Potter, Marc A Sommer, Regis Kopper, Lawrence G. Appelbaum

One-Handed Text Entry in Mobile-Based Virtual Reality: An Ambiguous Keyboard Technique

Eduardo Palmeira, Igor Moraes, Eduardo Telles, Victor Martin, Victor Goncalves, Regis Kopper, Edgard Lamounier, Alexndre Cardoso

Granulated Rest Frames Outperform Field of View Restrictors on Visual Search Performance

Dynamic field of view (FOV) restrictors have been successfully used to reduce visually induced motion sickness (VIMS) during continuous …

Zekun Cao, Jeronimo Grandi, Regis Kopper

Efficient and Accurate Object 3D Selection With Eye Tracking-Based Progressive Refinement

Selection by progressive refinement allows the accurate acquisition of targets with small visual sizes while keeping the required …

Yunhan Wang, Regis Kopper

Design and Simulation of Next-Generation Augmented Reality User Interfaces in Virtual Reality

Jerônimo G Grandi, Zekun Cao, Mark Ogren, Regis Kopper

The Effect of Virtual Reality on Knowledge Transfer and Retention in Collaborative Group-Based Learning for Neuroanatomy Students

Vinicius Souza, Anderson Maciel, Luciana Nedel, Regis Kopper, Klaus Loges, Eliane Schlemer

Simulating Next-Generation User Interfaces for Law Enforcement Traffic Stops

Jerônimo G Grandi, Zekun Cao, Mark Ogren, Regis Kopper

O Uncanny Valley das Mãos Virtuais em Aplicações de Realidade Virtual Imersiva: uma Revisão Sistemática da Literatura

Eduardo Gabriel Ueiroz Palmeira, Victor Biagiotti Saint Martin, Igor Andrade Moraes, Regis Kopper, Edgard Afonso Lamounier Júnior, Alexndre Cardoso

Augmented reality-based navigation for use in surgical and non-surgical procedures

Regis Kopper, David Zielinski, Andrew Cutler, Nandan Lad, Patrick Codd, Shervin Rahimpour

Systems and methods for using sensing of real object position, trajectory, or attitude to enable user interaction with a virtual object

Regis Kopper, Derek Nankivil, David Zielinski

VR Developer Gems

Doug A. Bowman, Felipe Bacim, Regis Kopper

Towards a Virtual Memory Palace

Angelina Chang Liu, Brian Hyun-jong Lee, Regis Kopper

An Approach to Designing Next Generation User Interfaces for Public-Safety Organizations

Jerônimo G Grandi, Mark Ogren, Regis Kopper

VR Touch Museum

Yuchen Zhao, Maurizio Forte, Regis Kopper

Visually-Induced Motion Sickness Reduction via Static and Dynamic Rest Frames

Zekun Cao, Jason Jerald, Regis Kopper

The Effects of Physiologically-Adaptive Virtual Environment on User's Sense of Presence

Vinicius Costa de Souza, Luciana Nedel, Regis Kopper, Anderson Maciel, Leonardo Tagliaro

Sensorimotor Learning during a Marksmanship Task in Immersive Virtual Reality

Sensorimotor learning refers to improvements that occur through practice in the performance of sensory-guided motor behaviors. …

Hrishikesh M. Rao, Rajan Khanna, David J. Zielinski, Yvonne Lu, Jillian M. Clements, Nicholas D. Potter, Marc A. Sommer, Regis Kopper, Lawrence G. Appelbaum

Psychophysiology of Visual-Motor Learning during a Simulated Marksmanship Task in Immersive Virtual Reality

L. Gregory Appelbaum, Jillian Clements, Elayna Kirsch, Hrishikesh M. Rao, Nicholas D. Potter, Regis Kopper, Marc A. Sommer

Neurophysiology of Visual-Motor Learning during a Simulated Marksmanship Task in Immersive Virtual Reality

Jillian M. Clements, Regis Kopper, David J. Zielinski, Hrishikesh Rao, Marc A. Sommer, Elayna Kirsch, Boyla O. Mainsah, Leslie M. Collins, Lawrence G. Appelbaum

Measuring visual search and distraction in immersive virtual reality

An important issue of psychological research is how experiments conducted in the laboratory or theories based on such experiments …

Bettina Olk, Alina Dinu, David J. Zielinski, Regis Kopper

6 Degrees-of-freedom manipulation with a transparent, tangible object in world-fixed virtual reality displays

David J. Zielinski, Derek Nankivil, Regis Kopper

Wireless, Web-Based Interactive Control of Optical Coherence Tomography with Mobile Devices

Rajvi Mehta, Derek Nankivil, David J. Zielinski, Gar Waterman, Brenton Keller, Jr ,Alexander T. Limkakeng, Regis Kopper, Joseph A. Izatt, Anthony N. Kuo

User experience evaluation with archaeometry interactive tools in Virtual Reality environment

Ana Grasielle Corrêa, Eduardo Zilles Borba, Roseli Lopes, Marcelo Knorich Zuffo, Astolfo Araujo, Regis Kopper

Specimen Box: A Tangible Interaction Technique for World-Fixed Virtual Reality Displays

David J. Zielinski, Derek Nankivil, Regis Kopper

Itapeva 3D: Being Indiana Jones in virtual reality

Eduardo Zilles Borba, Andre Montes, Roseli de Deus Lopes, Marcelo Knorich Zuffo, Regis Kopper

Immersive Visualization and Curation of Archaeological Heritage Data: Çatalhöyük and the Dig@ IT App

Nicola Lercari, Emmanuel Shiferaw, Maurizio Forte, Regis Kopper

Emotional Qualities of VR Space

Asma Naz, Regis Kopper, Ryan P McMahan, Mihai Nadin

Development of Augmented Reality-Based Neuro-Navigation System for use in External Ventrictilar Drain Placement

Andrew Benjamin Cutler, Shervin Rahimpour, Yameng Liu, Nandan Lad, Regis Kopper, Patrick Codd

Design and preliminary evaluation of an EGO-exocentric technique for cooperative manipulation

Leonardo Pavanatto Soares, Marcio Sarroglia Pinho, Regis Kopper

Changes in EEG and movement kinematics accompany sensorimotor learning in immersive virtual reality

L. Gregory Appelbaum, Jillian Clements, Hrishikesh M. Rao, Rajan Khanna, David J. Zielinski, Yvonne Lu, Kelly Vittatoe, Nicholas D. Potter, Regis Kopper, Marc A. Sommer

ArcheoVR: Exploring Itapeva's archeological site

Eduardo Zilles Borba, Andre Montes, Marcio Almeida, Mario Nagamura, Roseli Lopes, Marcelo Knorich Zuffo, Astolfo Araujo, Regis Kopper

VR model to explore archaeological sites in a non-destructive way

Eduardo Zilles Borba, Marcio Cabral, Roseli Lopes, Marcelo Zuffo, Regis Kopper

Sensorimotor orienting in immersive virtual reality: Psychophysics of skill learning.

Hrishikesh M. Rao, Rajan Khanna, David J. Zielinski, Yvonne Lu, Nicholas D. Potter, Regis Kopper, Marc A. Sommer, L. Gregory Appelbaum

Sensorimotor orienting in immersive virtual reality: EEG correlates of skill learning

L. Gregory Appelbaum, Jillian Clements, Yvonne Lu, Hrishikesh M. Rao, Rajan Khanna, David J. Zielinski, Kelly Vittatoe, Nicholas D. Potter, Regis Kopper, Marc A. Sommer

Remote, web-based interface control of handheld swept source OCT system for acute care settings

Rajvi Mehta, Derek Nankivil, David J Zielinski, Gar Waterman, Brenton Keller, Prakruth Adari, Regis Kopper, Joseph A Izatt, Anthony N Kuo

Evaluating the Effects of Image Persistence on Dynamic Target Acquisition in Low Frame Rate Virtual Environments

David J. Zielinski, Hrishikesh M. Rao, Nicholas D. Potter, Lawrence G. Appelbaum, Regis Kopper

Evaluating the Effects of Image Persistence on Dynamic Target Acquisition in Low Frame Rate Virtual Environments

David J. Zielinski, Hrishikesh M. Rao, Nicholas D. Potter, Marc A. Sommer, Lawrence G. Appelbaum, Regis Kopper

Collaborative hybrid virtual environment

Leonardo Pavanatto Soares, Thomas Volpato de Oliveira, Vicenzo Abichequer Sangalli, Marcio Sarroglia Pinho, Regis Kopper

A fully immersive virtual model to explore archaeological sites

Eduardo Zilles Borba, Marcio Cabral, Roseli de Deus Lopes, Marcelo Knorich Zuffo, Regis Kopper

Wayfinding by Auditory Cues in Virtual Environments

Ayana Burkins, Regis Kopper

Exploring the Effects of Image Persistence in Low Frame Rate Virtual Environments

David J. Zielinski, Hrishikesh M. Rao, Marc A. Sommer, Regis Kopper

Effects of perceptual load in visual search in immersive virtual reality.

Bettina Olk, David Zielinski, Regis Kopper

Effects of field of view and visual complexity on virtual reality training effectiveness for a visual scanning task

Eric Ragan, Doug Bowman, Regis Kopper, Cheryl Stinson, Siroberto Scerbo, Ryan P McMahan

Volume Visualization on a WIM: Design Considerations and Planned Evaluations

Dennis Lynch, David Borland, Regis Kopper, Tabitha Peck

Virtual patient simulations and optimal social learning context: A replication of an aptitude-treatment interaction effect

Teresa R. Johnson, Rebecca Lyons, Regis Kopper, Kyle J. Johnsen, Benjamin C. Lok, Juan C. Cendan

Towards an Immersive Interpretation of Çatalhöyük at DiVE

Nicola Lercari, Stephanie Matthiesen, David Zielinski, Regis Kopper

The Walk Again Project: Using a Brain-Machine Interface for establishing a bi-directional Interaction between paraplegic subjects and a lower limb exoskeleton

M. A. L. Nicolelis And S. Shokur And A. Lin And R. C. Moioli And F. L. Brasil And N. Peretti And K. Fast And A. Takigami And E. Morya And G. Cheng And L. Sawaki And Regis Kopper And D. Schwarz And S. Gallo And M. Lebedev And S. Joshi And H. Bleuler And A. Rudolph

Reshaping Remote Sensing and Virtual Reality at Çatalhöyük

Nicola Lercari, Maurizio Forte, Emmanuel Shiferaw, Regis Kopper

Neutrino-KAVE: An Immersive Visualization and Fitting Tool for Neutrino Physics Education

Elizabeth Izatt, Kate Scholberg, Regis Kopper

Handbook of virtual environments: design, implementation and applications

Ryan P. McMahan, Regis Kopper, Doug A. Bowman

Exploring Gender Biases with Virtual Patients for High Stakes Interpersonal Skills Training

Diego J. Rivera-Gutierrez, Regis Kopper, Andrea Kleinsmith, Juan Cendan, Glen Finney, Benjamin Lok

Enabling closed-source applications for virtual reality via OpenGL intercept-based techniques

David J Zielinski, Ryan P McMahan, Solaiman Shokur, Edgard Morya, Regis Kopper

Comparison of interactive environments for the archaeological exploration of 3D landscape data

Rebecca Bennett, David J Zielinski, Regis Kopper

Comparative Study of Input Devices for a VR Mine Simulation

David Zielinski, Brendan Macdonald, Regis Kopper

Çatalhöyük @ DiVE -- Virtual reconstruction and immersive visualization of a Neolithic building

Nicola Lercari, Maurizio Forte, David Zielinski, Regis Kopper, Rebecca Lai

Studying the Effects of Stereo, Head Tracking, and Field of Regard on a Small-Scale Spatial Judgment Task

Eric D. Ragan, Regis Kopper, Philip Schuchardt, Doug A. Bowman

Leveraging Virtual Humans to Effectively Prepare Learners for Stressful Interpersonal Experiences

Andrew Robb, Regis Kopper, Ravi Ambani, Farda Qayyum, David Lind, Li-Ming Su, Benjamin Lok

Intercept Tags: Enhancing Intercept-based Systems

David Zielinski, Regis Kopper, Ryan P. McMahan, Wenjie Lu, Silvia Ferrari

Exploring Agent Physicality and Social Presence for Medical Team Training

Joon Hao Chuah, Andrew Robb, Casey White, Adam Wendling, Samsun Lampotang, Regis Kopper, Benjamin Lok

Design and evaluation of 3D selection techniques based on progressive refinement

Felipe Bacim, Regis Kopper, Doug A. Bowman

Virtual human personality masks: a human computation approach to modeling verbal personalities in virtual humans

Vaishnavi Krishnan, Adriana Foster, Regis Kopper, Benjamin Lok

Optimal learning in a virtual patient simulation of cranial nerve palsies: The interaction between social learning context and student aptitude

Teresa R. Johnson, Rebecca Lyons, Joon Hao Chuah, Regis Kopper, Benjamin C. Lok, Juan C. Cendan

Interactive Memoirs: Coping with the Imminent Death and Leaving Legacies

Regis Kopper, Mallory McManamon, Thomas George, Benjamin Lok

Increasing agent physicality to raise social presence and elicit realistic behavior

Joon Hao Chuah, Andrew Robb, Casey White, Adam Wendling, Samsun Lampotang, Regis Kopper, Benjamin Lok

Evaluating effectiveness in virtual environments with MR simulation

Doug A Bowman, Cheryl Stinson, Eric D Ragan, Siroberto Scerbo, Tobias Höllerer, Cha Lee, Ryan P McMahan, Regis Kopper

Rapid and accurate 3D selection by progressive refinement

Regis Kopper, Felipe Bacim, Doug A. Bowman

Understanding and Improving Distal Pointing Interaction

Régis Augusto Poli Kopper

Towards an Understanding of the Effects of Amplified Head Rotations

Regis Kopper, Cheryl Stinson, D Bowman

The Effects of Visual Realism on Training Transfer in Immersive Virtual Environments

Cheryl Stinson, Siroberto Scerbo, Eric Ragan, Regis Kopper, Doug Bowman

Evaluating Effectiveness in Virtual Environments with MR Simulation

D. Bowman, R. McMahan, C. Stinson, E. Ragan, S. Scerbo, T. Hollerer, C. Lee, R. Kopper

The Effects of Higher Levels of Immersion on Procedure Memorization Performance and Implications for Educational Virtual Environments

Eric D Ragan, Ajith Sowndararajan, Regis Kopper, Doug A Bowman

A human motor behavior model for distal pointing tasks

Regis Kopper, Doug A. Bowman, Mara G. Silva, Ryan P. McMahan

3DUI 2010 Contest Grand Prize Winners

Pablo Figueroa, Yoshifumi Kitamura, Sebastien Kuntz, Lode Vanacken, Steven Maesen, Tom De Weyer, Sofie Notelaers, Johanna Renny Octavia, Anastasiia Beznosyk, Karin Coninx, Felipe Bacim, Regis Kopper, Anamary Leal, Tao Ni, Doug A. Bowman

Human motor behavior model for distant pointing tasks

Regis Kopper, Doug A. Bowman

Higher Levels of Immersion Improve Procedure Memorization Performance

Doug Bowman, Ajith Sowndararajan, Eric Ragan, Regis Kopper

Increasing the Precision of Distant Pointing for Large High-Resolution Displays

Regis Kopper, Mara G. Silva, Ryan P. McMahan, Doug A. Bowman

BABES-Brushing+ Linking, Attributes, and Blobs Extension to Storyboard

Tejinder Judge, Regis Kopper, Sean Ponce, Mara Silva, Chris North

Designing High-Precision 3D Interaction Techniques for Large Displays

Ryan P. McMahan, Regis Kopper, Mara Guimarães da Silva, Will McConnell, Doug A. Bowman

Design and Evaluation of Navigation Techniques for Multiscale Virtual Environments

Regis Kopper, Tao Ni, Doug A. Bowman, Marcio Pinho

An Evaluation of the Use of Tactile Stimuli in a Virtual Environment

Rafael Rieder, Felipe Bacim de Araújo, Silva, Regis Kopper, Mauro César Charão dos Santos, André Benvenuti Trombetta, Márcio Serolli Pinho

Project and Development of Touch Generation Devices

Regis Kopper, Mauro C. C. Santos, Daniel Prochnow, Marcio S. Pinho, Julio C. Lima

Virtual Environments: Design and Implementation

Regis Kopper, Marcio S. Pinho, Mauro Charão

Visual Collaboration Environments in Education

Liane Tarouco, Marie-Christine Julie Mascarenhas Fabre, Rodrigo dos Santos Keller, Regis Kopper