Publications

Gottsacker, M., Hmaiti, Y., Maslych, M., Furuya, H., DeGuzman, JJ., Bruder, G., Welch, G., and LaViola, J. "From One World to Another: Interfaces for Efficiently Transitioning Between Virtual Environments", Proceedings of the 2026 CHI Conference on Human Factors in Computing Systems (CHI '26), Article 1690, 17 pages, April 2026.

Belga, J., McMahan, R., and LaViola, J. "Effects of Virtual Reality System Fidelity on Presence using the Fidelity-based Presence Scale", Proceedings of the 2026 CHI Conference on Human Factors in Computing Systems (CHI '26), Article 610, 12 pages, April 2026.

Chakraborty, A. and LaViola, J. "From Narrative to Numbers: Evaluating Survey Questionnaires with Large Language Models", Proceedings of the 31st International Conference on Intelligent User Interfaces (IUI '26), 1647–1657, March 2026.

Eusebio, M. "TEXELS: A Programmable Textile Interface for Replicating Textures", Honors in Major Thesis, University of Central Florida, Department of Computer Science, April 2026.

Coutray, K., Barbel, W., Groth, Z., and LaViola, J. "NeuroGaze: A Hybrid EEG and Eye-Tracking Brain-Computer Interface for Hands-Free Interaction in Virtual Reality", Frontiers in Human Neuroscience, Volume 19 (1695446), Section: Brain-Computer Interfaces, November 2025.

Woodward, B., Geleta, M., LaViola, J., Fanelli, A., and Wilson, R. "AudioMiXR: Spatial Audio Object Manipulation with 6DoF for Sound Design in Augmented Reality", Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, Vol. 9, No. 3, Article 140 (41 pages), September 2025.

Emporio, M., Ghasemaghaei, A., LaViola, J., and Giachetti, A. "Continuous Hand Gesture Recognition: Benchmarks and Methods", Computer Vision and Image Understanding, Volume 259, 104435, September 2025.

Williamson, B., Powell, P., Ghamandi, R., Belga, J., LaViola, J., Chawla, N., McMahan, R., Middleton, M., Kluck, M., and McKendrick, R. "Using Mixed Reality and Artificial Intelligence for Complex Task Guidance in a UH-60 Environment", Proceedings of the Interservice/Industry Training, Simulation, and Education Conference (I/ITSEC) 2025, 14 pages, December 2025.

Woodward, B., He, M., Sakashita, M., Qian, J., Iftikhar, Z., and LaViola, J. "Cam-2-Cam: Exploring the Design Space of Dual-Camera Interactions for Smartphone-based Augmented Reality", Proceedings of the 2025 ACM Symposium on Spatial User Interaction (SUI '25), Article 1, 12 pages, November 2025.

Belga, J., Ghamandi, R., Chawla, N., McKendrick, R., McMahan, R., and LaViola, J. "An Investigation of Look Cues and Pick Cues for Guidance in Dense Operating Environments", Proceedings of the 69th Human Factors and Ergonomic Society International Annual Meeting (HFES 2025), 7 pages, October 2025.

Hu, X., LaViola, J., and McMahan, R. "MAGIC: A Method for Analyzing the Grammar of Incomplete Cues", Proceedings of the 2025 IEEE International Symposium on Mixed and Augmented Reality, 728-738, October 2025.

Gottsacker, M., Hmaiti, Y., Maslych, M., Bruder, G., LaViola, J., and Welch, G. "XR-First Design for Productivity: A Conceptual Framework for Enabling Efficient Task Switching in XR", 2025 IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMAR-Adjunct), 6 pages, October 2025.

Gottsacker, M., Hmaiti, Y., Maslych, M., Furuya, H., Bruder, G., Welch, G., and LaViola, J. "From Alt-Tab to World-Snap: Exploring Different Metaphors for Swift and Seamless VR World Switching", 2025 IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMAR-Adjunct), 2 pages, October 2025.

Maslych, M., Katebi, M., Lee, C., Hmaiti, Y., Ghasemaghaei, A., Pumarada, C., Palmer, J., Segarra Martinez, E., Emporio, M., Snipes, W., McMahan, R., and LaViola, J. "Mitigating Response Delays in Free-Form Conversations with LLM-powered Intelligent Virtual Agents", Proceedings of the 7th ACM Conference on Conversational User Interfaces (CUI '25), Article 49, 15 pages, July 2025.

Belga, J., Skarbez, R., Hmaiti, Y., Chen, E., McMahan, R., and LaViola, J. "The Fidelity-based Presence Scale (FPS): Modeling the Effects of Fidelity on Sense of Presence", Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems (CHI '25), Article 1150, 15 pages, April 2025.

Shamblin, G. "The Impact of Visualization Styles on Movement Imitation Accuracy in Virtual Reality", Master's Thesis, University of Central Florida, Department of Computer Science, April 2025.

Sera-Josef, J. "Increasing Bystander and Enviromental Awareness Through Haptic Feedback", Master's Thesis, University of Central Florida, Department of Computer Science, April 2025.

Pfeil, K., Badillo-Urquiolla, K., LaViola, J., and Wisniewski, P. ""Like I was There": A User Evaluation of an Interpersonal Telepresence System Developed through Value Sensitive Design", Proceedings of the ACM on Human-Computer Interaction, Vol. 8, No. CSCW2, Article 476 (18 pages), November 2024.

Hmaiti, Y., Maslych, M., Ghasemaghaei, A., Ghamandi, R., and LaViola, J. "Visual Perceptual Confidence: Exploring Discrepancies Between Self-reported and Actual Distance Perception In Virtual Reality", IEEE Transactions on Visualization and Computer Graphics, 30(11):7245-7254, November 2024.

Veldhuijzen, B., Veltkamp, R., Ikne, O., Allaert, B., Wannous, H., Emporio, M., Giachetti, A., LaViola, J., He, R., Benhabiles, H., Cabani, A., Fleury, A., Hammoudi, K., Gavalas, K., Vlachos, C., Papanikolaou, A., Romanelis, I., Fotis, V., Arvanitis, G., Moustakas, K., Hanik, M., Nava-Yazdani, E., and von Tycowicz, C. "SHREC 2024: Recognition of Dynamic Hand Motions Molding Clay", Computers and Graphics, Volume 123, Article 104012 (11 pages), November 2024.

Sera-Josef, J., LaViola, J., and Bowen, M. "Classifying Ambulation Patterns in Institutional Settings", Smart Health, Volume 33, Article 100503 (8 pages), September 2024.

Pfeil, K., Badillo-Urquiolla, K., Belga, J., Sera-Josef, J., LaViola, J., and Wisniewski, P. "Using Co-Design with Streamers and Viewers to Identify Values and Resolve Tensions in the Design of Interpersonal Wearable Telepresence Systems", Proceedings of the ACM on Human-Computer Interaction, Vol. 8, No. CSCW1, Article 148 (21 pages), January 2024.

Maslych, M., Yu, D., Ghasemaghaei, A., Hmaiti, Y., Segarra Martinez, E., Simon, D., Taranta, E., Bergstrom, J., and LaViola, J. "From Research to Practice: Survey and Taxonomy of Object Selection in Consumer VR Applications", Proceedings of the 2024 IEEE International Symposium on Mixed and Augmented Reality, 990-999, October 2024.

Wiedbusch, M., McMahan, R., Sinatra, A., Goldberg, B., Townsend, L., LaViola, J., and Azevedo, R. "Multimodal Measures for the Integration of Metacognitive Teamwork Processes During Simulation-Based Training", Proceedings of the 12th Annual Generalized Intelligent Framework for Tutoring (GIFT) Users Symposium (GIFTSym12), 55-66, August 2024.

Ghasemaghaei, A., Maslych, M., Hmaiti, Y., Segarra Martinez, E., and LaViola, J. "Towards Better Throwing: A Comparison of Performance and Preferences Across Point of Release Mechanics in Virtual Reality", Proceedings of Graphics Interface 2024, 11 pages, June 2024.

Ghamandi, R., Kattoju, RK., Hmaiti, Y., Maslych, M., Taranta, E., McMahan, R., and LaViola, J. "Unlocking Understanding: An Investigation of Multimodal Communication in Virtual Reality Collaboration", Proceedings of the 2024 CHI Conference on Human Factors in Computing Systems (CHI '24), Article 602, 16 pages, May 2024.

Sermarini, J., Michlowitz, R., LaViola, J., Walters, L., Azevedo, R., and Kider, J. "Exploring Augmented Reality's Role in Enhancing Spatial Perception for Building Facade Retrofit Design for Non-experts", Proceedings of the 2024 IEEE Conference on Virtual Reality and 3D User Interfaces (VR '24), 233-243, March 2024.

Ghasemaghaei, A., Hmaiti, Y., Maslych, M., Segarra Martinez, E., and LaViola, J. "Throwing in Virtual Reality: Performance and Preferences Across Input Device Configurations", 2024 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops, 897-898, March 2024.

Chawla, N., LaViola, J., and McMahan, R. "A Methodology for Predicting User Curvature Perception of 3D Objects", 2024 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops, 829-830, March 2024.

Barbel, W. "Neurogaze in Virtual Reality: Assessing an EEG and Eye Tracking Interface Against Traditional Virtual Reality Input Devices", Master's Thesis, University of Central Florida, Department of Computer Science, April 2024.

Vargas, A., Williamson, B., and LaViola, J. "Authoring Moving Parts of Objects in AR, VR and the Desktop", Multimodal Technologies and Interaction, 7(12): Article 117 (23 pages), December 2023.

Sermarini, J., Michlowitz, R., LaViola, J., Walters, L., Azevedo, R., and Kider, J. "Investigating the Impact of Augmented Reality and BIM on Retrofitting Training for Non-experts", IEEE Transactions of Visualization and Computer Graphics, 29(11):4654-4664, November 2023.

Williamson, B., Taranta, E., Moolenaar, Y., and LaViola, J. "Command and Control of a Large Scale Swarm Using Natural Human Interfaces", Field Robotics, 3, 301-322, 2023.

Ghamandi, R., Hmaiti, Y., Nguyen, T., Ghasemaghaei, A., Kattoju, RK., Taranta, E., and LaViola, J. "What And How Together: A Taxonomy On 30 Years Of Collaborative Human-Centered XR Tasks", Proceedings of the 2023 IEEE International Symposium on Mixed and Augmented Reality, 322-335, October 2023.

Hmaiti, Y., Maslych, M., Taranta, E., and LaViola, J. "An Exploration of The Effects of Head-Centric Rest Frames On Egocentric Distance Judgments in VR", Proceedings of the 2023 IEEE International Symposium on Mixed and Augmented Reality, 263-272, October 2023.

Maslych, M., Taranta, E., Aldilati, M., and LaViola, J. "Effective 2D Stroke-based Gesture Augmentation for RNNs", Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems (CHI '23), Article 282, 13 pages, April 2023.

Kattoju, RK., Ghamandi, R., Taranta, E., and LaViola, J. "Automatic Improper Loading Posture Detection and Correction Utilizing Electrical Muscle Stimulation", Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems (CHI '23), Article 319, 18 pages, April 2023.

Maslych, M., Hmaiti, Y., Ghamandi, R., Leber, P., Kattoju, RK., Belga, J., and LaViola, J. "Toward Intuitive Acquisition of Occluded VR Objects Through an Interactive Disocclusion Mini-map", Proceedings of the 2023 IEEE Conference on Virtual Reality and 3D User Interfaces (VR '23), 460-470, March 2023.

Hmaiti, Y. "The Effects of Head-Centric Rest Frames on Egocentric Distance Perception in Virtual Reality", Honors in Major Thesis, University of Central Florida, Department of Computer Science, August 2023.

Welch, G., LaViola, J., Guido-Sanz, F., Bruder, G., Anderson, M., and Schubert, R. "Adaptive Visual Overlay for Anatomical Simulation", US Patent 11,557,216, January 2023.

Catbas, F., Luleci, F., Zakaria, M., Bagci, U., LaViola, J., Cruz-Neira, C., and Reiners, D. "Extended Reality (XR) for Condition Assessment of Civil Engineering Structures: A Literature Review", Sensors, 22(23):9560, December 2022.

Sermarini, J., Michlowitz, R., LaViola, J., Walters, L., Azevedo, R., and Kider, J. "BIM Driven Retrofitting Design Evaluation of Building Facades", Proceedings of the 2022 Symposium on Spatial User Interaction (SUI '22), Article 12, 10 pages, December 2022.

Belga, J., Do, T., Ghamandi, R., McMahan, R., and LaViola, J. "Carousel: Improving the Accuracy of Virtual Reality Assessments for Inspection Training Tasks", Proceedings of the 28th ACM Symposium on Virtual Reality Software and Technology (VRST ‘22), Article 1, 10 pages, November 2022.

Kapalo, K., Pfeil, K., Bonnell, J., and LaViola, J. "Comparing Firefighters' Perceived Workload Using 2D vs. 3D Building Plans to Support Emergency Response Preplanning in a Simulated Fire Scenario", Proceedings of the 2022 IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMAR-Adjunct), 634-639, October 2022.

Kattoju, RK., Taranta, E., Ghamandi, R., and LaViola, J. "Automatic Asymmetric Weight Distribution Detection and Correction Utilizing Electrical Muscle Stimulation", Proceedings of Graphics Interface 2022 (GI '22), 13 pages, May 2022.

Masnadi, S., Pfeil, K., Sera-Josef, J., and LaViola, J. "Effects of Field of View on Egocentric Distance Perception in Virtual Reality", Proceedings of the 2022 CHI Conference on Human Factors in Computing Systems (CHI '22), Article 613, 10 pages, May 2022.

Taranta, E., Maslych, M., Ghamandi, R., and LaViola, J. "The Voight-Kampff Machine for Automatic Custom Gesture Rejection Threshold Selection", Proceedings of the 2022 CHI Conference on Human Factors in Computing Systems (CHI '22), Article 556, 15 pages, May 2022.

Vargas, A. "Authoring Tools for Augmented Reality Scenario Based Training Experiences", PhD Dissertation, University of Central Florida, Department of Computer Science, December 2022.

Masnadi, S. "Distance Perception Through Head-Mounted Displays", PhD Dissertation, University of Central Florida, Department of Computer Science, July 2022.

Pfeil, K. "Balancing User Experience for Mobile One-to-One Interpersonal Telepresence", PhD Dissertation, University of Central Florida, Institute for Simulation and Training, April 2022.

Kattoju, RK. "Automatic Posture Correction Utilizing Electrical Muscle Stimulation", PhD Dissertation, University of Central Florida, Department of Computer Science, April 2022.

Caputo, A., Giachetti, A., Soso, S., Pintani, D., D'Eusanio, A., Pini, S., Borghi, G., Simoni, A., Vezzani, R., Cucchiara, R., Ranieri, A., Giannini, F., Lupinetti, K., Monti, M., Maghoumi, M., LaViola, J., Le, M., Nguyen, H., and Tran, M. "SHREC 2021: Skeleton-based Hand Gesture Recognition in the Wild", Computers and Graphics, Volume 99, 201-211, October 2021.

Pfeil, K., Chatlani, N., LaViola, J., and Wisniewski, P. "Bridging the Socio-Technical Gaps in Body-worn Interpersonal Live-Streaming Telepresence through a Critical Review of the Literature", Proc. ACM Hum.-Comput. Interact. 5, CSCW1, Article 120 (39 pages), April 2021.

Taranta, E., Pittman, C., Maghoumi, M., Maslych, M., Moolenaar, Y., and LaViola, J. "Machete: Easy, Efficient, and Precise Continuous Custom Gesture Segmentation", ACM Transactions of Computer-Human Interaction (TOCHI), 28(1): Article 5 (46 pages), January 2021.

Sermarini, J., Kider, J., LaViola, J., and McConnell, D. "A Kinematic Evaluation of Linear and Parabolic Pointing in Virtual Reality", Proceedings of the Human Factors and Ergonomics Society Annual Meeting (HFES 2021), 86-90, October 2021.

Sermarini, J., Michlowitz, R., LaViola, J., Walters, L., Azevedo, R., and Kider, J. "Embodied Facade Retrofit Design with Augmented Reality in the Built Environment", Proceedings of Building Simulation 2021, 8 pages, September 2021.

Kapalo, K., Pfeil, K., Bonnell, J., and LaViola, J. "Stakeholder Perceptions in the Context of Community Risk Reduction (CRR): Self-reported Hazards as Two-Way Communication Between First Responders and the Communities They Serve", Proceedings of the International Conference on Human Computer Interaction (HCII 2021), 229-242, July 2021.

Pfeil, K., Kapalo, K., Koh, S., and LaViola, J. "Exploring Human-to-Human Telepresence and the Use of Vibro-Tactile Commands to Guide Human Streamers", Proceedings of the International Conference on Human Computer Interaction (HCII 2021), 183-202, July 2021.

Kattoju, RK., Pittman, C., Moolenar, Y., and LaViola, J. "Automatic Slouching Detection and Correction Utilizing Electrical Muscle Stimulation", Proceedings of Graphics Interface 2021, 147-155, May 2021.

Pfeil, K., Masnadi, S., Belga, J., Sera-Josef, J. V. T., and LaViola, J. "Distance Perception with a Video See-Through Head-Mounted Display", Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems (CHI '21), Article 528, 1-9. May 2021.

Maghoumi, M., Taranta, E., and LaViola, J. "DeepNAG: Deep Non-Adversarial Gesture Generation", Proceedings of the 26th International Conference on Intelligent User Interfaces (IUI '21), 213-223, April 2021.

Masnadi, S., Pfeil, K., Sera-Josef, J., and LaViola, J. "Field of View Effect on Distance Perception in Virtual Reality", 2021 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops, 542-543, March 2021.

Pittman, C. "Evaluating Augmented Reality Tools for Physics Education", PhD Dissertation, University of Central Florida, Department of Computer Science, April 2021.

Erickson, A., Norouzi, N., Kim, K., Schubert, R., Jules, J., LaViola, J., Bruder, G., and Welch, G. "Sharing Gaze Rays for Visual Target Identification Tasks in Collaborative Augmented Reality", Journal of Multimodal User Interfaces, 14(4):353-371, December 2020.

Erickson, A., Norouzi, N., Kangsoo, K., LaViola, J., Bruder, G., and Welch, G. "Effects of Depth Information on Visual Target Identification Task Performance in Shared Gaze Environments", IEEE Transactions of Visualization and Computer Graphics, 26(5):1934-1944, May 2020.

Do, T., LaViola, J., and McMahan, R. "The Effects of Object Shape, Fidelity, Color, and Luminance on Depth Perception in Handheld Mobile Augmented Reality", Proceedings of 2020 IEEE International Symposium on Mixed and Augmented Reality, 64-72, November 2020.

Masnadi, S. and LaViola, J. "ConcurrentHull: A Fast Parallel Computing Approach to the Convex Hull Problem", Proceedings of the Fifteenth International Symposium on Visual Computing 2020 (ISVC 2020), 593-605, October 2020.

Kapalo, K., Bonnell, J., and LaViola, J. "Outside the Box: Contextualizing User Experience Challenges in Emergency Medical Technician (EMT) and Paramedic Workflows", Proceedings of the International Conference on Human Computer Interaction (HCII 2020), 133-150, July 2020.

Lediaeva, I. and LaViola, J. "Evaluation of Body-Referenced Graphical Menus in Virtual Environments", Proceedings of Graphics Interface 2020, 308-316, May 2020.

Masnadi, S., Vargas, A., Williamson, B., and LaViola, J. "AffordIt!: A Tool for Authoring Object Component Behavior in Virtual Reality", Proceedings of Graphics Interface 2020, 340-348, May 2020.

Taranta, E., Pittman, C., Oakley, J., Maslych, M., Maghoumi, M., and LaViola, J. "Moving Toward an Ecologically Valid Data Collection Protocol for 2D Gestures In Video Games", Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems (CHI '20), Paper 290 (11 pages), April 2020.

Cosgrove, S. and LaViola, J. "Visual Guidance Methods in Immersive and Interactive VR Environments with Connected 360 Videos", 2020 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops, 653-654, March 2020.

Masnadi, S., Vargas, A., Williamson, B., and LaViola, J. "AffordIt: A Tool for Authoring Object Component Behavior in VR", 2020 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops, 741-742, March 2020.

Pittman, C. and LaViola, J. "PhyAR: Determining the Utility of Augmented Reality for Physics Education in the Classroom", 2020 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops, 761-762, March 2020.

Masnadi, S., Williamson, B., Vargas, A., and LaViola, J. "VRiAssist: An Eye-Tracked Virtual Reality Low Vision Assistance Tool", 2020 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops, 809-810, March 2020.

Pfeil, K., Wisniewski, P., and LaViola, J. "The Effects of Gender and the Presence of Third-Party Humans on Telepresence Camera Height Preferences", Proceedings of the ACM Symposium on Applied Perception 2020 (SAP '20), Article 13: 9 pages, Sept. 2020.

Taranta, E. "The Dollar General: Continuous Custom Gesture Recognition Techniques at Everyday Low Prices", PhD Dissertation, University of Central Florida, Department of Computer Science, December 2020.

Maghoumi, M. "Deep Recurrent Networks for Gesture Recognition and Synthesis", PhD Dissertation, University of Central Florida, Department of Computer Science, December 2020.

Oakley, J. "The Effects of Gesture Presentation in Video Games", Master's Thesis, University of Central Florida, Department of Computer Science, December 2020.

Cosgrove, S. "Navigating Immersive and Interactive VR Environments with Connected 360 Panoramas", Master's Thesis, University of Central Florida, Department of Computer Science, July 2020.

Welch, G., LaViola, J., Guido-Sanz, F., Bruder, G., Anderson, M., and Schubert, R. "Adaptive Visual Overlay Wound Simulation", US Patent 10,854,098, December 2020.

Welch, G., LaViola, J., Guido-Sanz, F., Bruder, G., Anderson, M., and Schubert, R. "Multisesnory Wound Simulation", US Patent 10,803,761, October 2020.

Vargas, A., Koh, S., Kapalo, K., Sottilare, R., Garrity, P., Billinghurst, M., and LaViola, J. "A Comparison of Desktop and Augmented Reality Scenario Based Training Authoring Tools", Proceedings of 2019 IEEE International Symposium on Mixed and Augmented Reality, 339-350, October 2019.

Maghoumi, M. and LaViola, J. "DeepGRU: Deep Gesture Recognition Utility", Proceedings of the Fourteenth International Symposium on Visual Computing 2019 (ISCV 2019), 14 pages, October 2019.

Taranta, E., Koh, S., Williamson, B., Pfeil, K., Pittman, C., and LaViola, J. "Pitch Pipe: An Automatic Low-Pass Filter Calibration Technique for Pointing Tasks", Proceedings of Graphics Interface 2019, Article 27: 8 pages, May 2019.

Kapalo, K., Wisniewski, P., and LaViola, J. "First In, Left Out: Current Technological Limitations from the Perspective of Fire Engine Companies", Proceedings of the 16th International ISCRAM Conference, 1286-1299, May 2019.

Williamson, B., Taranta, E., Garrity, P., Sottilare, R., and LaViola, J. "A Systematic Evaluation of Multi-Sensor Array Configurations for SLAM Tracking with Agile Movements", Proceedings of the IEEE Conference on Virtual Reality and 3D User Interfaces 2019, 1230-1231, March 2019.

Vargas, A., Kapalo, K., Koh, S., Sottilare, R., Garrity, P., and LaViola, J. "A Comparison of Desktop and Augmented Reality Scenario Based Training Authoring Tools", Proceedings of the IEEE Conference on Virtual Reality and 3D User Interfaces 2019, 1198-1199, March 2019.

Pittman, C. and LaViola, J. "Determining Design Requirements for AR Physics Education Applications", Proceedings of the IEEE Conference on Virtual Reality and 3D User Interfaces 2019, 1126-1127, March 2019.

Norouzi, N., Erickson, A., Kim, K., Schubert, R., LaViola, J., Bruder, G., and Welch, G. "Effects of Shared Gaze Parameters on Visual Target Identification Task Performance in Augmented Reality", Proceedings of the Seventh ACM Symposium on Spatial User Interfaces (SUI 2019), Article 12: 11 pages, Oct. 2019.

Pfeil, K., Wisniewski, P., and LaViola, J. "An Analysis of User Perception Regarding Body-Worn 360 Degree Camera Placements and Heights for Telepresence", Proceedings of the ACM Symposium on Applied Perception 2019 (SAP '19), Article 13: 10 pages, Sept. 2019.

Greenwood, C. "Realtime Editing in Virtual Reality of Room Scale Scans", Master's Thesis, University of Central Florida, Department of Computer Science, May 2019.

Masnadi, S., LaViola, J., Pavlasek, J., Zhu, X., Desingh, K., and Jenkins, O. "Sketching Affordances for Human-in-the-loop Robotic Manipulation Tasks", 2nd Robot Teammates Operating in Dynamic, Unstructured Environments (RT-DUNE), May 2019.

Cheema, S. and LaViola, J. "Using Animation to Enrich Learning Experience in Sketch-Based Physics Tutoring Systems", Designing for the User Experience in Learning Systems, E. Kapros and M. Koutsombogera (eds.), Springer, 201-227, October, 2018.

Kulshreshth, A. and LaViola, J. "Designing Immersive Video Games Using 3DUI Technologies", Springer, ISBN 9783319779522, July 2018.

Williamson, B., LaViola, J., Sottilare, R., and Garrity, P. "Creating a 360-Degree RGB-D Sensor System for Augmented Reality Research", Proceedings of the Interservice/Industry Training, Simulation, and Education Conference (I/ITSEC) 2018, 9 pages, November 2018.

Williamson, B., Vargas, A., Garrity, P., Sottilare, R., and LaViola, J. "AgileSLAM: A Localization Approach for Agile Head Movements in Augmented Reality", Adjunct Proceedings of 2018 IEEE International Symposium on Mixed and Augmented Reality, 25-30, October 2018.

Song, J., Newton, O., Fiore, S., Coad, J., Clark, J., Pittman, C., and LaViola, J. "Examining the Impact of Training and Feedback on Visualization-Supported Decision Making under Uncertainty", Proceedings of the 2018 Human Factors and Ergonomics Society Annual Meeting (HFES 2018), 1449-1453, October 2018.

Kapalo, K., Pfeil, K., Wisniewski, P., and LaViola, J. "The Paradox of Preference vs. Performance: Towards a Unified View of Simulation Experience", Proceedings of the 2018 Human Factors and Ergonomics Society Annual Meeting (HFES 2018), 1459-1463, October 2018.

Kapalo, K., Bockelman, P., and LaViola, J. ""Sizing Up" Emerging Technology for Firefighting: Augmented Reality for Incident Assessment", Proceedings of the 2018 Human Factors and Ergonomics Society Annual Meeting (HFES 2018), 1464-1468, October 2018.

Koh, S., Pfeil, K., and LaViola, J. "Exploring the Potential of Full Body and Hand Gesture Teleoperation of Robots Inside Heterogeneous Human-Robot Teams", Proceedings of the 2018 Human Factors and Ergonomics Society Annual Meeting (HFES 2018), 2008-2012, October 2018.

Pfeil, K., Taranta, E., Kulshreshth, A., Wisniewski, P., and LaViola, J. "A Comparison of Eye-Head Coordination Between Virtual and Physical Realities", Proceedings of the 15th ACM Symposium on Applied Perception (SAP '18), Article 18: 7 pages, August 2018.

Maghoumi, M., LaViola, J., Desingh, K., and Jenkins, O. "GemSketch: Interactive Image-Guided Geometry Extraction from Point Clouds", 2018 International Conference on Robotics and Automation (ICRA), May 2018.

Ghosh, A., Badillo-Urquiola, K., Guha, S., LaViola, J., and Wisniewski, P. "Safety vs. Surveillance: What Children Have to Say about Mobile Apps for Parental Control", Proceedings of the 2018 CHI Conference on Human Factors in Computing Systems (CHI '18), Paper 124 (14 pages), April 2018.

Riecke, B., LaViola, J., and Kruijff, E. "3D User Interfaces for Virtual Reality and Games: 3D Selection, Manipulation, and Spatial Navigation", ACM SIGGRAPH 2018 Courses, Vancouver, Canada, Article 13: 94 pages, August 2018.

Koh, S. "Exploring Natural User Abstractions for Shared Perceptual Manipulator Task Modeling & Recovery", Ph.D. Dissertation, University of Central Florida, Department of Modeling and Simulation, July 2018.

Taranta, E., Maghoumi, M., Pittman, C., and LaViola, J. "Synthetic Generation of Time Series Data", US Patent 10,133,949, November 2018.

Fiore, S., Song, J., Newton, O., Pittman, C., Warta, S., and LaViola, J. "Determining the Effect of Training on Uncertainty Visualization Evaluations", International Conference on Applied Human Factors and Ergonomics 2018, 141-152, July 2018.

Vargas, A., Taranta, E., and LaViola, J. "Sketch Based Interaction Techniques for Chart Creation and Manipulation", Frontiers in Pen and Touch, T. Hammond, A. Adler, and M. Prasad (eds.), Springer, 65-82, December 2017.

LaViola, J., Kruijff, E., McMahan, R., Bowman, D., and Poupyrev, I. "3D User Interfaces: Theory and Practice, Second Edition", Addison Wesley, ISBN 0134034325, April 2017.

Vargas, A., Kapalo, K., Koh, S., and LaViola, J. "Exploring the Virtuality Continuum for Complex Rule-Set Education in the Context of Soccer Rule Comprehension", Multimodal Technologies and Interaction, 1(4): Article 30 (15 pages), November 2017.

Kulshreshth, A., Pfeil, K., and LaViola, J. "Enhancing the Gaming Experience Using 3D Spatial User Interface Technologies", IEEE Computer Graphics and Applications, 38(3):16-23, May-June 2017.

LaViola, J., Williamson, B., Sottilare, R., and Garrity, P. "Analyzing SLAM Algorithm Performance for Tracking in Augmented Reality Systems", Proceedings of the Interservice/Industry Training, Simulation, and Education Conference (I/ITSEC) 2017, 11 pages, November 2017.

Newton, O., Fiore, S., and LaViola, J. "An External Cognition Framework for Visualizing Uncertainty in Support of Situation Awareness", Proceedings of the 2017 Human Factors and Ergonomics Society Annual Meeting (HFES 2017), 1198-1202, October 2017.

Fiore, S., Warta, S., Best, A., Newton, O., and LaViola, J. "Developing A Theoretical Framework of Task Complexity for Research on Visualization in Support of Decision Making Under Uncertainty", Proceedings of the 2017 Human Factors and Ergonomics Society Annual Meeting (HFES 2017), 1193-1197, October 2017.

Khaloo, P., Maghoumi, M., Taranta, E., Bettner, D., and LaViola, J. "Code Park: A New 3D Code Visualization Tool", Proceedings of the Fifth IEEE Working Conference on Software Visualization (VISSOFT 2017), 11 pages, September 2017.

Kang, B., LaViola, J., and Wisniewski, P. "Examining Interaction Modality Effects Toward Engagement in an Interactive Learning Environment", Proceedings of the Twelfth European Conference on Technology Enhanced Learning (EC-TEL 2017), 97-110, September 2017.

Buchanan, S., Bott, J., Wisniewski, P., and LaViola, J. "Exploring Multi-touch Contact Size for Z-Axis Movement in 3D Environments", Proceedings of Graphics Interface 2017, 65-72, May 2017.

Pittman, C. and LaViola, J. "Multiwave: Complex Hand Gesture Recognition Using the Doppler Effect", Proceedings of Graphics Interface 2017, 97-103, May 2017.

Kang, B., LaViola, J., and Wisniewski, P. "Structured Input Improves Usability and Precision for Solving Geometry-based Algebraic Problems", Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems (CHI '17), 4692-4702, May 2017.

Taranta, E., Samiei, A., Maghoumi, M., Khaloo, P., Pittman, C., and LaViola, J. "Jackknife: A Reliable Recognizer with Few Samples and Many Modalities", Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems (CHI '17), 5850-5861, May 2017.

Jerald, J., LaViola, J., and Marks, R. "VR Interactions", ACM SIGGRAPH 2017 Courses, Los Angeles, CA, Article 19: 105 pages, August 2017.

Holderness, S. "Exploring the Multi-touch Interaction Design Space for 3D Virtual Objects to Support Procedural Training Tasks", Ph.D. Dissertation, University of Central Florida, Department of Electrical Engineering and Computer Science, April 2017.

Khaloo, P. "Code Park: A New 3D Code Visualization Tool and IDE", Master's Thesis, University of Central Florida, Department of Electrical Engineering and Computer Science, June 2017.

Wang, G., Bowditch, N., Zeleznik, R., Kwon, M., and LaViola, J. "A Tablet-Based Math Tutor for Beginning Algebra", Revolutionizing Education with Digital Ink, T. Hammond, S. Valentine, and A. Adler (eds.), Springer, 91-102, June 2016.

Taranta, E., Vargas, A., Compton, S., and LaViola, J. "A Dynamic Pen-Based Interface for Writing and Editing Complex Mathematical Expressions with Math Boxes", ACM Transactions on Interactive Intelligent Systems, 6(2): Article 13 (25 pages), August 2016.

Taranta, E., Vargas, A., and LaViola, J. "Streamlined and Accurate Gesture Recognition with Penny Pincher", Computers and Graphics, Volume 55, 130-142, April 2016.

Martin, K. and LaViola, J. "The Transreality Interaction Platform: Enabling Interaction Across Physical and Virtual Reality", Proceedings of the Ninth International Conference on the Internet of Things (iThings 2016), 177-186, December 2016.

Taranta, E., Maghoumi, M., Pittman, C., and LaViola, J. "A Rapid Prototyping Approach to Synthetic Data Generation for Improved 2D Gesture Recognition", Proceedings of the 29th Annual Symposium on User Interface Software and Technology (UIST '16). 873-885, October 2016.

Kulshreshth, A. and LaViola, J. "Dynamic Stereoscopic 3D Parameter Adjustment for Enhanced Depth Discrimination", Proceedings of the 2016 CHI Conference on Human Factors in Computing Systems (CHI '16), 177-187, May 2016.

Pittman, C., Wisniewski, P., Brooks, C., and LaViola, J. "Multiwave: Doppler Effect Based Gesture Recognition in Multiple Dimensions", Proceedings of the 2016 CHI Conference Extended Abstracts on Human Factors in Computing Systems (CHI EA '16). 1729-1736, May 2016.

Pittman, C., Taranta, E., and LaViola, J. "A $-Family Friendly Approach to Prototype Selection", Proceedings of the 21st International Conference on Intelligent User Interfaces (IUI 2016), 370-374, March 2016.

Kang, B., Kulshreshth, A., and LaViola, J. "AnalyticalInk: An Interactive Learning Environment for Math Word Problem Solving", Proceedings of the 21st International Conference on Intelligent User Interfaces (IUI 2016), 419-430, March 2016.

Bott, J. "The WOZ Recognizer: A Tool For Understanding User Perceptions of Sketch-based Interfaces", Ph.D. Dissertation, University of Central Florida, Department of Electrical Engineering and Computer Science, May 2016.

Desingh, K., Maghoumi, M., Jenkins, O., LaViola, J., and Reveret, L. "Object Manipulation in Cluttered Scenes Informed by Physics and Sketching", RSS 2016 Workshop: Geometry and Beyond - Representations, Physics, and Scene Understanding for Robotics, June 2016.

Bott, J. and LaViola, J. "The WOZ recognizer: A Wizard of Oz Sketch Recognition System", ACM Transactions on Interactive Intelligent Systems, 5(3): Article 15 (38 pages), October 2015.

Taranta, E., Simons, K., Sukthankar, R., and LaViola, J. "Exploring the Benefits of Context in 3D Gesture Recognition for Game-Based Virtual Environments", ACM Transactions on Interactive Intelligent Systems, 5(1):Article 1 (34 pages), March 2015.

LaViola, J., Sottilare, R., Williamson, B., Brooks, C., Veazanchin, S., and Garrity, P. "Using Augmented Reality to Tutor Military Tasks in the Wild", Proceedings of the Interservice/Industry Training, Simulation, and Education Conference (I/ITSEC) 2015, 10 pages, December 2015.

Sottilare, R. and LaViola, J. "Extending Intelligent Tutoring Beyond the Desktop to the Psychomotor Domain", Proceedings of the Interservice/Industry Training, Simulation, and Education Conference (I/ITSEC) 2015, 11 pages, December 2015.

Buchanan, S., Bott, J., and LaViola, J. "The Influence of Multi-Touch Interaction on Procedural Training", Proceedings of the 2015 International Conference on Interactive Tabletops and Surfaces, 5-14, November 1015.

Taranta, E. and LaViola, J. "Penny Pincher: A Blazing Fast, Highly Accurate $-Family Recognizer", Proceedings of Graphics Interface 2015, 195-202, June 2015.

Veazanchin, S. and LaViola, J. "DynoFighter: Exploring a Physical Activity Incentive Mechanism to Support Exergaming", Proceedings of Graphics Interface 2015, 281-284, June 2015.

Kulshreshth, A. and LaViola, J. "Exploring 3D User Interface Technologies for Improving The Gaming Experience", Proceedings of the 2015 ACM Annual Conference on Human Factors in Computing Systems (CHI 2015), 125-134, April 2015.

Kulshreshth, A. and LaViola, J. "Enhanced Depth Discrimination Using Dynamic Stereoscopic 3D Parameters", Proceedings of the 2015 ACM Annual Conference on Human Factors in Computing Systems Extended Abstracts (CHI EA 2015), Work-In-Progress, 1615-1620, April 2015.

Taranta, E. and LaViola, J. "Math Boxes: A Pen-Based User Interface for Writing Difficult Mathematical Expressions", Proceedings of the 2015 ACM International Conference on Intelligent User Interfaces (IUI 2015), 87-96, March 2015.

LaViola, J. "Context Aware 3D Gesture Recognition for Games and Virtual Reality", ACM SIGGRAPH 2015 Courses, Los Angeles, CA, Article 10: 61 pages, August 2015.

Kulshreshth, A. "Exploring 3D User Interface Technologies for Improving the Gaming Experience", Ph.D. Dissertation, University of Central Florida, Department of Electrical Engineering and Computer Science, May 2015.

Gulwani, S., Cheema, S., and LaViola, J. "Sketch Beautification of and Completion of Partial Structured Drawings", US Patent 9,098,191, August 2015.

Gupta, P., da Vitoria Lobo, N., and LaViola, J. "Object Tracking with Opposing Image Capture Devices", US Patent 8,983,127, March, 2015.

LaViola, J., Buchanan, S., and Pittman, C. "Multimodal Input for Perceptual User Interfaces", Interactive Displays, A. Bhowmik (ed.), Wiley, 285-312, October 2014.

Khuong, B., Kiyokawa, K., Miller, A., LaViola, J., Mashita, T., and Takemura, H. "Context-Related Visualization Modes of an AR- Based Context-Aware Assembly Support System in Object Assembly", Transactions of the Virtual Reality Society of Japan, 19(2):195-205, June 2014.

Buchanan, S. and LaViola, J. "CSTutor: A Sketch-Based Tool for Visualizing Data Structures", ACM Transactions of Computing Education, 14(1):Article 3 (28 pages), March 2014.

Reiss, S., Bott, J., and LaViola, J. "Plugging In and Into Code Bubbles: The Code Bubbles Architecture", Journal of Software: Practice and Experience, 44(3):261-276, March 2014.

Koh, S., Pfeil, K., and LaViola, J. "Enhancing the Robot Avateering Metaphor Discreetly with an Assistive Agent and its Effect on Perception", Proceedings of the 23rd IEEE International Symposium on Robot and Human Interactive Communication (RO-MAN 2014), 1095-1102, August 2014.

Kang, B., Hu, H., and LaViola, J. "Mixed Heuristic Search for Sketch Prediction on Chemical Structure Drawing", Proceedings of the 4th Joint Symposium on Computational Aesthetics, Non-Photorealistic Animation and Rendering, and Sketch-Based Interfaces and Modeling (SBIM 2014), 27-34, August 2014.

Kulshreshth, A. and LaViola, J. "Exploring the Usefulness of Finger-Based 3D Gesture Menu Selection", Proceedings of the 2014 ACM Annual Conference on Human Factors in Computing Systems (CHI 2014), 1093-1102, April 2014.

Schild, J., LaViola, J., and Masuch, M. "Altering Gameplay Behavior using Stereoscopic 3D Vision-Based Video Game Design", Proceedings of the 2014 ACM Annual Conference on Human Factors in Computing Systems (CHI 2014), 207-216, April 2014.

Charbonneau, E., Buchanan, S., Bott, J., Mueller, F., and LaViola, J. "Dance Enhanced: Investigating How Earning Content Through Exertion Impacts Dance Game Enjoyment", Proceedings of the 9th International Conference on the Foundations of Digital Games (FDG 2014), Paper 6 (8 pages), April 2014.

Khuong, B., Kiyokawa, K., Miller, A., LaViola, J., Mashita, T., and Takemura, H. "The Effectiveness of an AR-based Context-Aware Assembly Support System in Object Assembly", Proceedings of IEEE Virtual Reality 2014, 57-62, March 2014.

Cashion, J. and LaViola, J. "Dynamic Adaptation of 3D Selection Techniques for Suitability Across Diverse Scenarios", Proceedings of the IEEE Symposium on 3D User Interfaces 2014, 165-166, March 2014.

Pittman, C. and LaViola, J. "Exploring Head Tracked Head Mounted Displays for First Person Robot Teleoperation", Proceedings of the 2014 ACM International Conference on Intelligent User Interfaces, 323-328, February 2014.

Cheema, S., Buchanan, S., Gulwani, S., and LaViola, J. "A Practical Framework for Constructing Structured Drawings", Proceedings of the 2014 ACM International Conference on Intelligent User Interfaces, 311-316, February 2014.

LaViola, J. "Introduction to 3D Gestural User Interfaces", ACM SIGGRAPH 2014 Courses, Presented at ACM SIGGRAPH 2014, Vancouver, Canada, Article 25:(42 pages), August 2014.

Cashion, J. "Intelligent Selection Techniques for Virtual Environments", Ph.D. Dissertation, University of Central Florida, Department of Electrical Engineering and Computer Science, December 2014.

Cheema, S. "Pen-Based Methods for Recognition and Animation of Handwritten Physics Solutions", Ph.D. Dissertation, University of Central Florida, Department of Electrical Engineering and Computer Science, December 2014.

Vargas, A. "Sketchart: A Pen-Based Tool for Chart Generation and Interaction", Master's Thesis, University of Central Florida, Department of Electrical Engineering and Computer Science, July 2014.

Williamson, B., Wingrave, C., and LaViola, J. "Full Body Locomotion with Video Game Motion Controllers", Human Walking in Virtual Environments, F. Steinicke, Y. Visell, J. Campos, and A. Lecuyer (eds.), Springer, 351-376, May 2013.

Gupta, P., da Vitoria Lobo, N., and LaViola, J. "Markerless Tracking and Gesture Recognition using Polar Correlation of Camera Optical Flow", Machine Vision and Applications, 24(3):651-666, April 2013.

Ellis, C., Masood, Z., Tappen, M., LaViola, J., and Sukthankar, R. "Exploring the Trade-off Between Accuracy and Observational Latency in Action Recognition", International Journal of Computer Vision, 101(3):420-436, February 2013.

Cheema, S. and LaViola, J. "3D Gesture Classification With Linear Acceleration and Angular Velocity Sensing Devices for Video Games", Entertainment Computing, 4(1):11-24, February 2013.

LaViola, J. "3D Gestural Interaction: The State of the Field", ISRN Artificial Intelligence, Vol. 2013, Article ID 514641, 18 pages, 2013.

Buchanan, S., Floyd, B., Holderness, W., and LaViola, J. "Towards User-Defined Multi-Touch Gestures for 3D Objects", Proceedings of the 2013 ACM International Conference on Interactive Tabletops and Surfaces (ITS 2013), 231-240, October 2013.

Kulshreshth, A. and LaViola, J. "Evaluating Performance Benefits of Head Tracking in Modern Video Games", Proceedings of the ACM Symposium on Spatial User Interaction (SUI 2013), 53-60, July 2013.

Kang, B., Bott, J., and LaViola, J. "User Perceptions of Drawing Logic Diagrams with Pen-Centric User Interfaces", Proceedings of Graphics Interface 2013, 79-86, May 2013.

Zorn, C., Wingrave, C., Charbonneau, E., and LaViola, J. "Exploring Minecraft as a Conduit for Increasing Interest in Programming", Proceedings of the International Conference on the Foundations of Digital Games 2013 (FDG 2013), 352-359, May 2013.

Schild, J., Bölicke, L., LaViola, J., and Masuch, M. "Creating and Analyzing Stereoscopic 3D Game Interfaces", Proceedings of the 2013 ACM Annual Conference on Human Factors in Computing Systems (CHI 2013), 169-178, April 2013.

Cashion, J., Wingrave, C., and LaViola, J. "Optimal 3D Selection Technique Assignment Using Real-Time Contextual Analysis", Proceedings of the IEEE Symposium on 3D User Interfaces 2013, 107-110, March 2013.

Kulshreshth, A., Zorn, C., and LaViola, J. "Real-time Markerless Kinect based Finger Tracking and Hand Gesture Recognition for HCI", Proceedings of the IEEE Symposium on 3D User Interfaces 2013, 187-188, March 2013.

Cashion, J., Wingrave, C., and LaViola, J. "Automatic 3D Selection Technique Assignment Using Real-time Scenario Analysis", Proceedings of IEEE Virtual Reality 2013, 103-104, March 2013.

Pfeil, K., Koh, S., and LaViola, J. "Exploring 3D Gesture Metaphors for Interaction with Unmanned Aerial Vehicles", Proceedings of the 2013 ACM International Conference on Intelligent User Interfaces, 257-266, March 2013.

Charbonneau, E. "Bridging the Gap Between Fun and Fitness: Instructional Techniques and Real-World Applications for Full-Body Dance Games", Ph.D. Dissertation, University of Central Florida, Department of Electrical Engineering and Computer Science, August 2013.

Pfeil, K. "An Exploration of Unmanned Aerial Vehicle Direction Manipulation Through 3D Spatial Interaction", Master's Thesis, University of Central Florida, Department of Electrical Engineering and Computer Science, August 2013.

Billinghurst, M., LaViola, J., and Lecuyer, A. (eds.) "IEEE Symposium on 3D User Interfaces 2012", IEEE Press, March 2012.

Tomlinson, B., Patterson, D., Pan, Y., Blevis, B., Nardi, B., Silberman, S., Norton, J., and LaViola, J. "What If Sustainability Doesn't Work Out?", Interactions, 19(6):50-55, November/December 2012.

Varcholik, P., LaViola, J., and Hughes, C. "Establishing a Baseline for Text Entry for a Multi-Touch Virtual Keyboard", International Journal of Human-Computer Studies, 70(10):657-672, October 2012.

Cashion, J., Wingrave, C., and LaViola, J. "Dense and Dynamic 3D Selection for Game-based Virtual Environments", IEEE Transactions of Visualization and Computer Graphics (Proceedings of Virtual Reality 2012), 18(4):634-642, April 2012.

Miller, A., White, B., Charbonneau, E., Kanzler, Z., and LaViola, J. "Interactive 3D Model Acquisition and Tracking of Building Block Structures", IEEE Transactions of Visualization and Computer Graphics (Proceedings of Virtual Reality 2012), 18(4):651-659, April 2012.

Williamson, B., LaViola, J., Roberts, T., and Garrity, P. "Multi-Kinect Tracking for Dismounted Soldier Training", Proceedings of the Interservice/Industry Training, Simulation, and Education Conference (I/ITSEC) 2012, 1727-1735, December 2012.

Reiss, S., Bott, J., and LaViola, J. "Code Bubbles: A Practical Working-Set Programming Environment", Proceedings of the 34th International Conference on Software Engineering (ICSE 2012), 1411-1414, June 2012.

Cossairt, T. and LaViola, J. "SetPad: A Sketch-Based Tool For Exploring Discrete Math Set Problems", Proceedings of the Ninth Eurographics/ACM Symposium on Sketch-Based Interfaces and Modeling 2012, 47-56, June 2012.

Kulshreshth, A., Schild, J., and LaViola, J. "Evaluating User Performance in 3D Stereo and Motion Enabled Video Games", Proceedings of the International Conference on the Foundations of Digital Games 2012, 33-40, May 2012.

Schild, J., LaViola, J., and Masuch, M. "Understanding User Experience in Stereoscopic 3D Games", Proceedings of the 2012 ACM Annual Conference on Human Factors in Computing Systems (CHI 2012), 89-98, May 2012.

Cheema, S., Gulwani, S., and LaViola, J. "QuickDraw: Improving Drawing Experience for Geometric Diagrams", Proceedings of the 2012 ACM Annual Conference on Human Factors in Computing Systems (CHI 2012), 1037-1046, May 2012.

Wingrave, C., Norton, J., Ross, C., Ochoa, N., Veazanchin, S., Charbonneau, E., and LaViola, J. "Inspiring Creative Constructivist Play", Proceedings of the 2012 ACM Annual Conference on Human Factors in Computing Systems Extended Abstracts (CHI EA 2012), Work-In-Progress, 2339-2344, May 2012.

Buchanan, S., Ochs, B., and LaViola, J. "CSTutor: A Pen-Based Tutor for Data Structure Visualization", Proceedings of the 43rd Technical Symposium on Computer Science Education (SIGCSE 2012), 565-570, February 2012.

Cheema, S. and LaViola, J. "PhysicsBook: A Sketch-Based Interface for Animating Physics Diagrams", Proceedings of the 2012 International Conference on Intelligent User Interfaces, 51-60, February 2012.

Kang, B. and LaViola, J. "LogicPad: A Pen-Based Application for Visualization and Verification of Boolean Algebra", Proceedings of the 2012 International Conference on Intelligent User Interfaces, 265-268, February 2012.

Jerald, J., Marks, R., LaViola, J., Murphy, B., Steury, K., and Rubin, A. "The Battle for Motion-Controlled Gaming and Beyond", ACM SIGGRAPH 2012, August 2012.

Cossairt, T. "SetPad: A Sketch-Based Tool for Exploring Discrete Math Set Problems", Master's Thesis, University of Central Florida, Department of Electrical Engineering and Computer Science, May 2012.

Wingrave, C., Norton, J., and LaViola, J. "Using Minecraft for Instruction and Creative Play", CHI 2012 Workshop on Educational Interfaces, Software, and Technology, May 2012.

Norton, J., Stringfellow, A., and LaViola, J. "Domestic Plant Guilds: A Novel Application for Sustainable HCI", CHI 2012 Workshop on Simple, Sustainable Living, May 2012.

LaViola, J., Hachet, M., and Billinghurst, M. (eds.) "IEEE Symposium on 3D User Interfaces 2011", IEEE Press, March 2011.

Williamson, B., Wingrave, C., LaViola, J., Roberts, T., and Garrity, P. "Natural Full Body Interaction for Navigation in Dismounted Soldier Training", Proceedings of the Interservice/Industry Training, Simulation, and Education Conference (I/ITSEC) 2011, 2103-2110, December 2011.

Ellis, C., Masood, Z., Tappen, M., LaViola, J., and Sukthankar, R. "Measuring and Reducing Observational Latency when Recognizing Actions", Proceedings of the 6th IEEE Workshop on Human Computer Interaction: Real-Time Vision Aspects of Natural User Interfaces, 422-429, November 2011.

Charbonneau, E., Miller, A., and LaViola, J. "Teach Me to Dance: Exploring Player Experience and Performance in Full Body Dance Games", Proceedings of the Eighth International Conference on Advances in Computer Entertainment Technology (ACE 2011), Article 43 (8 pages), November 2011.

Craighead, J., Bowen, M., Klancher, A., Jasiewicz, J., and Wingrave, C. "Tracking Technology Lessons Learned in Two Health Care Sites", Workshop on Interactive Systems in Healthcare (WISH) at American Medical Informatics Association (AMIA), October 2011.

Bott, J., Gabriele, D., and LaViola, J. "Now or Later: An Initial Exploration into User Perception of Mathematical Expression Recognition Feedback", Proceedings of the Eighth Eurographics/ACM Symposium on Sketch-Based Interfaces and Modeling 2011, 125-132, August 2011.

Cheema, S. and LaViola, J. "Wizard of Wii: Toward Understanding Player Experience in First Person Games with 3D Gestures", Proceedings of the Sixth International Conference on the Foundations of Digital Games 2011, 265-267, June 2011.

Litwiller, T. and LaViola, J. "Evaluating the Benefits of 3D Stereo in Modern Video Games", Proceedings of the 2011 Annual Conference on Human Factors in Computing Systems (CHI 2011), 2345-2354, May 2011.

LaViola, J. and Keefe, D. "3D Spatial Interaction: Applications for Art, Design, and Science", Course #1, Presented at ACM SIGGRAPH 2011, Vancouver, Canada, August 2011.

Varcholik, P. "Multi-touch for General-Purpose Computing: An Examination of Text Entry", Ph.D. Dissertation, University of Central Florida, Department of Modeling & Simulation, May 2011.

Buchanan, S., Ochs, B., and LaViola, J. "CSTutor: A Pen-Based Tool for Visualizing Data Structures", Eighth Eurographics/ACM Symposium on Sketch-Based Interfaces and Modeling 2011, August 2011.

Wingrave, C., Hoffman, M., Sottilare, R., and LaViola, J. "Unobtrusive Mood Assessment for Training Applications", CHI 2011 Workshop on Brain and Body Interfaces: Designing for Meaningful Interaction, May 2011.

Bott, J. and LaViola, J. "The WOZ Math Recognizer: A Mathematics Handwriting Recognition Wizard of Oz Tool", Technical Report CS-TR-11-03, University of Central Florida, Department of Electrical Engineering and Computer Science, Orlando, FL, May 2011.

LaViola, J. "Mathematical Sketching: An Approach to Making Dynamic Illustrations", Sketch-based Interfaces and Modeling, J. Jorge and F. Samavati (eds.), Springer Verlag London Limited, 81-118, December 2010.

Hachet, M., Kiyokawa, K., and LaViola, J. (eds.) "IEEE Symposium on 3D User Interfaces 2010", IEEE Press, March 2010.

Xiong, Y. and LaViola, J. "A ShortStraw-Based Algorithm for Corner Finding in Sketch-Based Interfaces", Computers and Graphics, 34(5):513-527, October 2010.

Wingrave, C. and LaViola, J. "Reflection on the Design and Implementation of Virtual Environments", PRESENCE: Teleoperators and Virtual Environments, 19(2):179-195, April 2010.

Wingrave, C., Williamson, B., Varcholik, P., Rose, J., Miller, A., Charbonneau, E., Bott, J., and LaViola, J. "Wii Remote and Beyond: Using Spatially Convenient Devices for 3DUIs", IEEE Computer Graphics and Applications, 30(2):71-85, March/April 2010.

Bowen, M., Craighead, J., Wingrave, C., and Kearns, W. "Real-Time Locating Systems (RTLS) to improve fall detection", Gerontechnology 9.4 (2010): 464-471.

Charbonneau, E., Hughes, C., and LaViola, J. "Vibraudio Pose: An Investigation of Non-Visual Feedback Roles for Body Controlled Video Games", Proceedings of Sandbox 2010: The Fifth ACM SIGGRAPH Symposium on Video Games, 79-84, July 2010.

Cheema, S. and LaViola, J. "Applying Mathematical Sketching to Sketch-Based Physics Tutoring Software", Lecture Notes in Computer Science 6133, 10th International Symposium on Smart Graphics (SG 2010), 13-24, June 2010.

Norton, J., Wingrave, C., and LaViola, J. "Exploring Strategies and Guidelines for Developing Full Body Video Game Interfaces", Proceedings of the Fifth International Conference on the Foundations of Digital Games 2010, 155-162, June 2010.

Bott, J. and LaViola, J. "A Pen-Based Tool for Visualizing Vector Mathematics", Proceedings of the Seventh Eurographics/ACM Symposium on Sketch-Based Interfaces and Modeling 2010, 103-110, June 2010.

Bragdon, A., Reiss, S., Zeleznik, R., Karumuri, S., Cheung, W., Kaplan, J., Coleman, C., Adeputra, F., and LaViola, J. "Code Bubbles: Rethinking the User Interface Paradigm of Integrated Development Environments", Proceedings of the ACM/IEEE 32nd International Conference on Software Engineering (ICSE 2010), 455-464, Volume 1, May 2010.

Bragdon, A., Reiss, S., Zeleznik, R., Karumuri, S., Cheung, W., Kaplan, J., Coleman, C., Adeputra, F., and LaViola, J. "A Research Demonstration of Code Bubbles", Proceedings of the ACM/IEEE 32nd International Conference on Software Engineering (ICSE 2010), 293-296, Volume 2, May 2010.

Bragdon, A., Reiss, S., Zeleznik, R., Karumuri, S., Cheung, W., Kaplan, J., Coleman, C., Adeputra, F., and LaViola, J. "Code Bubbles: A Working Set-based Interface for Code Understanding and Maintenance", Proceedings of the 28th International Conference on Human Factors in Computing Systems (CHI 2010), 2503-2512, April 2010.

Wingrave, C., Rose, J., Langston, T., and LaViola, J. "Early Explorations of CAT: Canine Amusement and Training", Proceedings of the 28th International Conference Extended Abstracts on Human Factors in Computing Systems (CHI EA 2010), 2661-2669, April 2010.

Hoffman, M., Varcholik, P., and LaViola, J. "Breaking the Status Quo: Improving 3D Gesture Recognition with Spatially Convenient Input Devices", Proceedings of IEEE Virtual Reality 2010, 59-66, March 2010.

Chertoff, D., Goldiez, B., and LaViola, J. "Virtual Experience Test: A Virtual Environment Evaluation Questionnaire", Proceedings of IEEE Virtual Reality 2010, 103-110, March 2010.

Gupta, P., da Vitoria Lobo, N., and LaViola, J. "Markerless Tracking Using Polar Correlation of Camera Optical Flow", Proceedings of IEEE Virtual Reality 2010, 223-226, March 2010.

Williamson, B., Wingrave, C., and LaViola, J. "RealNav: Exploring Natural User Interfaces for Locomotion in Video Games", Proceedings of the IEEE Symposium on 3D User Interfaces 2010, 3-10, March 2010.

Miller, A. and LaViola, J. "Towards a Handheld Stereo Projector System for Viewing and Interacting in Virtual Worlds", Proceedings of the IEEE Symposium on 3D User Interfaces 2010, 133-134, March 2010.

Cheema, S. and LaViola, J. "Towards Intelligent Motion Inferencing in Mathematical Sketching", Proceedings of the 2010 International Conference on Intelligent User Interfaces, 289-292, February 2010.

LaViola, J. and Marks, R. "An Introduction to 3D Spatial Interaction with Video Game Motion Controllers", Course #2, Presented at ACM SIGGRAPH 2010, Los Angeles, California, July 2010.

Litwiller, T. "Evaluating the Benefits of 3D Stereo in Modern Video Games", Master's Thesis, University of Central Florida, Department of Computer Science, December 2010.

LaViola, J. "The Killer App for Sketch-Based Interfaces is ...", CHI 2010 Workshop on Designing Sketch Recognition Interfaces, 54-57, April 2010.

LaViola, J. "Input Devices", Wiley Encyclopedia of Computer Science and Engineering, B. Wah (ed.), Wiley, Vol.3, 1575-1584, January 2009.

LaViola, J., Prabhat, Forsberg, A., Laidlaw, D., and van Dam, A. "Virtual Reality-Based Interactive Scientific Visualization Environments", Trends in Interactive Visualization: State-of-the-Art Survey, E. Zudilova-Seinstra, T. Adriaansen, and R. van Liere (Eds.), Springer Verlag London Limited, 225-250, January 2009.

Grimm, C. and LaViola, J. (eds.) "ACM SIGGRAPH/Eurographics Symposium Proceedings: Sketch-Based Interfaces and Modeling 2009", ACM Press, August 2009.

Wingrave, C., LaViola, J., and Bowman, D. "A Natural, Tiered and Executable UIDL for 3D User Interfaces Based on Concept-Oriented Design", ACM Transactions on Computer-Human Interaction (TOCHI), 16(4):Article 21 (1-36), November 2009.

Leal, A., Wingrave, C., and LaViola, J. "Initial Explorations into the User Experience of 3D File Browsing", Proceedings of HCI 2009, 339-344, September 2009.

Varcholik, P., LaViola, J., and Hughes, C. "The Bespoke 3DUI XNA Framework: A Low-Cost Platform for Prototyping 3D Spatial Interfaces in Video Games", Proceedings of Sandbox 2009: The Fourth ACM SIGGRAPH Symposium on Video Games, 55-62. August 2009.

Charbonneau, E., Miller, A., Wingrave, C., and LaViola, J. "Understanding Visual Interfaces for the Next Generation of Dance-Based Rhythm Video Games", Proceedings of Sandbox 2009: The Fourth ACM SIGGRAPH Symposium on Video Games, 119-126. August 2009.

Xiong, Y. and LaViola, J. "Revisiting ShortStraw - Improving Corner Finding in Sketch-Based Interfaces", Proceedings of the Sixth Eurographics/ACM Symposium on Sketch-Based Interfaces and Modeling 2009, 101-108, August 2009.

O'Connell, T., Li, C., Miller, T., Zeleznik, R., and LaViola, J. "A Usability Evaluation of AlgoSketch: A Pen-Based Application for Mathematics", Proceedings of the Sixth Eurographics/ACM Symposium on Sketch-Based Interfaces and Modeling 2009, 149-158, August 2009.

Marinkas, D., Zeleznik, R., and LaViola, J. "Shadow Buttons: Exposing WIMP-Functionality While Preserving the Inking Surface in Sketch-Based Interfaces", Proceedings of the Sixth Eurographics/ACM Symposium on Sketch-Based Interfaces and Modeling 2009, 159-164, August 2009.

Varcholik, P., LaViola, J., and Nicholson, D. "TACTUS: A Hardware and Software Testbed for Research in Multi-Touch Interaction", Lecture Notes in Computer Science 5611, 13th International Conference on Human Computer Interaction, HCI International 2009, 523-532, July 2009.

Bott, J., Crowley, J., and LaViola, J. "Exploring 3D Gestural Interfaces for Music Creation in Video Games", Proceedings of The Fourth International Conference on the Foundations of Digital Games 2009, 18-25, April 2009.

Chertoff, D., Byers, R., and LaViola, J. "An Exploration of Menu Techniques using a 3D Game Input Device", Proceedings of The Fourth International Conference on the Foundations of Digital Games 2009, 256-263, April 2009.

Bragdon, A., Zeleznik, R., Williamson, B., Miller, T., and LaViola, J. "GestureBar: Improving the Approachability of Gesture-based Interfaces", Proceedings of ACM CHI 2009, 2269-2278, April 2009.

Chertoff, D., Byers, R., and LaViola, J. "Evaluation of Menu Techniques Using a 3D Game Input Device", Proceedings of the IEEE Symposium on 3D User Interfaces 2009, 139-140, March 2009.

Charbonneau, E., Miller, A., Wingrave, C., and LaViola, J. "RealDance: An Exploration of 3D Spatial Interfaces for Dancing Games", Proceedings of the IEEE Symposium on 3D User Interfaces 2009, 141-142, March 2009.

Bott, J., Crowley, J., and LaViola, J. "One Man Band: A 3D Gestural Interface for Collaborative Music Creation", Proceedings of IEEE Virtual Reality 2009, 273-274, March 2009.

Otaduy, M., Igarashi, T., and LaViola, J. "Interaction: Interfaces, Algorithms, and Applications", Course #6, Presented at ACM SIGGRAPH 2009, New Orleans, Louisiana, August 2009.

LaViola, J., Kruijff, E., Bowman, D., Poupyrev, I., and Stuerzlinger, W. "3D User Interfaces: Design, Implementation, Usability", Course #16, Presented at ACM CHI 2009, Boston, Massachusetts, April 2009.

Williamson, B. "RealNav: Exploring Natural User Interfaces For Locomotion In Video Games", Master's Thesis, University of Central Florida, Department of Computer Science, December 2009.

Bott, J. "VectorPad: A Tool For Visualizing Vector Operations", Master's Thesis, University of Central Florida, Department of Computer Science, July 2009.

Leal, A. "Exploring The Effectiveness Of 3D File Browsing Techniques For File Searching Tasks", Honors in Major Thesis, University of Central Florida, Department of Computer Science, May 2009.

Zeleznik, R., Miller, T., van Dam, A., Li, C., Tenneson, D., Maloney, C., and LaViola, J. "Applications and Issues in Pen-Centric Computing", IEEE Multimedia, 15(4):14-21, October-December 2008.

LaViola, J. "Bringing VR and Spatial 3D Interaction to the Masses through Video Games", IEEE Computer Graphics and Applications, 28(5):10-15, September/October 2008.

Li, C., Zeleznik, R., Miller, T., and LaViola, J. "Online Recognition of Handwritten Mathematical Expressions with Support for Matrices", Proceedings of the 19th International Conference on Pattern Recognition (ICPR 2008), December 2008.

Zeleznik, R., Miller, T., Li, C., and LaViola, J. "MathPaper: Mathematical Sketching with Fluid Support for Interactive Computation", Lecture Notes in Computer Science 5166, 8th International Symposium on Smart Graphics (SG 2008), 20-32, August 2008.

Forsberg, A., Bragdon, A., LaViola, J., Raghupathy, S., and Zeleznik, R. "An Empirical Study in Pen-Centric User Interfaces: Diagramming", In the Proceedings of the Eurographics Workshop on Sketch-Based Interfaces and Modeling 2008, 135-142, June 2008.

Li, C., Miller, T., Zeleznik, R., and LaViola, J. "AlgoSketch: Algorithm Sketching and Interactive Computation", In the Proceedings of the Eurographics Workshop on Sketch-Based Interfaces and Modeling 2008, 175-182, June 2008.

LaViola, J., Forsberg, A., Huffman, J., and Bragdon, A. "The Influence of Head Tracking and Stereo on User Performance with Non-Isomorphic 3D Rotation", In the Proceedings of the 14th Eurographics Symposium on Virtual Environments, 111-118, May 2008.

LaViola, J., Leal, A., Miller, T., and Zeleznik, R. "Evaluation of Techniques for Visualizing Mathematical Expression Recognition Results", In the Proceedings of Graphics Interface 2008, 131-138, May 2008.

LaViola, J., Forsberg, A., Huffman, J., and Bragdon, A. "Effects of Stereo and Head Tracking on Non-Isomorphic 3D Rotation", In the Proceedings of the IEEE Symposium on 3D User Interfaces 2008, 155-156, March 2008.

Kruijff, E., Bowman, D., LaViola, J., and Poupyrev, I. "3D User Interfaces: From Lab to Living Room", Course #17, Presented at ACM CHI 2008, Florence, Italy, April 2008.

LaViola, J., Bowman, D., Ellis, S., Interrante, V., Lok, B., and Swan, J. "User Studies in VR: What Can We Learn From Them and What Are They Good For?", IEEE Virtual Reality 2008, 303-302, March 2008.

LaViola, J. and Zeleznik, R. "A Practical Approach to Writer-Dependent Symbol Recognition Using a Writer-Independent Recognizer", IEEE Transactions on Pattern Analysis and Machine Intelligence, 29(11):1917-1926, November 2007.

LaViola, J. "An Initial Evaluation of MathPad2: A Tool for Creating Dynamic Mathematical Illustrations", Computers and Graphics, 31(4):540-553, August 2007.

Julier, S. and LaViola, J. "On Kalman Filtering with Nonlinear Equality Constraints", IEEE Transactions on Signal Processing, 55(6):2774-2784, June 2007.

LaViola, J. "Advances in Mathematical Sketching: Moving Toward the Paradigm's Full Potential", IEEE Computer Graphics and Applications, 27(1):38-48, January/February 2007.

Lemmerman, D. and LaViola, J. "An Exploration of Interaction-Display Offset in Surround Screen Virtual Environments", In the Proceedings of the IEEE Symposium on 3D User Interfaces 2007, 9-15, March 2007.

LaViola, J. and Katzourin, M. "An Exploration of Non-Isomorphic 3D Rotation in Surround Screen Virtual Environments", In the Proceedings of the IEEE Symposium on 3D User Interfaces 2007, 49-54, March 2007.

Lemmerman, D. and LaViola, J. "Effects of Interaction-Display Offset on User Performance in Surround Screen Virtual Environments", In the Proceedings of IEEE Virtual Reality 2007, 303-304, March 2007.

LaViola, J., Igarashi, T., Alvarado, C., and Lipson, H. "Sketch-Based Interfaces: Techniques and Applications", Course #3, Presented at ACM SIGGRAPH 2007, San Diego, California, August 2007.

Katzourin, M., Ignatoff, D., Quirk, L., LaViola, J., and Jenkins, O. "Swordplay: Innovating Game Development through VR", IEEE Computer Graphics and Applications, 26(6):15-19, November/December 2006.

LaViola, J. "An Initial Evaluation of a Pen-Based Tool for Creating Dynamic Mathematical Illustrations", In the Proceedings of the Eurographics Workshop on Sketch-Based Interfaces and Modeling 2006, 157-164, September 2006.

LaViola, J., Davis, R., and Igarashi, T. "An Introduction to Sketch-Based Interfaces", Course #18, Presented at ACM SIGGRAPH 2006, Boston, Massachusetts, July 2006.

LaViola, J. "Mathematical Sketching: A New Approach to Creating and Exploring Dynamic Illustrations", Ph.D. Dissertation, Brown University, Department of Computer Science, May 2005.

Bowman, D., Kruijff, E., LaViola, J., and Poupyrev, I. "3D User Interfaces: Theory and Practice", Addison-Wesley, ISBN 0-201-75867-9, July 2004.

LaViola, J. and Zeleznik, R. "MathPad2: A System for the Creation and Exploration of Mathematical Sketches", ACM Transactions on Graphics (Proceedings of SIGGRAPH 2004), 23(3):432-440, August 2004.

Julier, S. and LaViola, J. "An Empirical Study into the Robustness of Split Covariance Addition (SCA) for Human Motion Tracking", In the Proceedings of the 2004 American Control Conference, IEEE Press, 2190-2195, June 2004. (Note the published version of this paper has some notational errors. This version is correct.)

LaViola, J., Keefe, D., Zeleznik, R., and Acevedo, D. "Case Studies in Building Custom Input Devices for Virtual Environment Interaction", Proceedings of the IEEE VR 2004 Workshop on Beyond Wand and Glove-Based Interaction, 67-71, March 2004.

LaViola, J. "A Comparison of Unscented and Extended Kalman Filtering for Estimating Quaternion Motion", In the Proceedings of the 2003 American Control Conference, IEEE Press, 2435-2440, June 2003.

LaViola, J. "A Testbed for Studying and Choosing Predictive Tracking Algorithms in Virtual Environments", In the Proceedings of Immersive Projection Technology and Virtual Environments 2003, ACM Press, 189-198, May 2003.

LaViola, J. "Double Exponential Smoothing: An Alternative to Kalman Filter-Based Predictive Tracking", In the Proceedings of Immersive Projection Technology and Virtual Environments 2003, ACM Press, 199-206, May 2003.

LaViola, J. "An Experiment Comparing Double Exponential Smoothing and Kalman Filter-Based Predictive Tracking Algorithms", In the Proceedings of Virtual Reality 2003, 283-284, March 2003.

Zeleznik, R., LaViola, J., Acevedo, D., and Keefe, D. "Pop Through Buttons for Virtual Environment Navigation and Interaction", In the Proceedings of Virtual Reality 2002, 127-134, March 2002.

LaViola, J. "The Predictive Tracking Algorithm Testing Suite: A Tool for Developing and Analyzing Predictive Tracking Algorithms", Technical Report CS-02-07, Brown University, Department of Computer Science, Providence RI, July 2002.

Bowman, D., Kruijff, E., LaViola, J., and Poupyrev, I. "An Introduction to 3-D User Interface Design", PRESENCE: Teleoperators and Virtual Environments, 10(1):96-108, February 2001.

LaViola, J., Acevedo, D., Keefe, D., and Zeleznik, R. "Hands-Free Multi-Scale Navigation in Virtual Environments", In the Proceedings of the 2001 Symposium on Interactive 3D Graphics, 9-15, March 2001.

Keefe, D., Acevedo, D., Moscovich, T., Laidlaw, D., and LaViola, J. "CavePainting: A Fully Immersive 3D Artistic Medium and Interactive Experience", In the Proceedings of the 2001 Symposium on Interactive 3D Graphics, 85-93, March 2001.

Bowman, D., LaViola, J., Mine, M., and Poupyrev, I. "Advanced Topics in 3D User Interface Design", Course #44, Presented at ACM SIGGRAPH 2001, Los Angeles, California, August 2001.

Reiter, J., Kirby, R.M., and LaViola, J. "Immersive Hierarchical Visualization and Steering for Spectral/hp Element Methods", Technical Report CS-01-03, Brown University, Deptartment of Computer Science, Providence RI, May 2001.

van Dam, A., Forsberg, A., Laidlaw, D., LaViola, J., and Simpson, R. "Immersive VR for Scientific Visualization: A Progress Report", IEEE Computer Graphics and Applications, 20(6):26-52, November/December 2000.

LaViola, J. "A Discussion of Cybersickness in Virtual Environments", SIGCHI Bulletin, 32(1):47-56, January 2000. (also available as Tech Report CS-99-09)

LaViola, J. "MSVT: A Virtual Reality-Based Multimodal Scientific Visualization Tool", In Proceedings of the Third IASTED International Conference on Computer Graphics and Imaging, 1-7, November 2000.

Bowman, D., Kruijff, E., LaViola, J., Mine, M., and Poupyrev, I. "3D User Interface Design: Fundamental Techniques, Theory, and Practice", Course #36, Presented at ACM SIGGRAPH 2000, New Orleans, Louisiana, July 2000.

Bowman, D., Kruijff, E., LaViola, J., and Poupyrev, I. "The Art and Science of 3D Interaction", Full-day tutorial presented at IEEE Virtual Reality 2000, New Brunswick, New Jersey, March 2000.

LaViola, J. and Zeleznik, R. "Flex and Pinch: A Case Study of Whole Hand Input Design for Virtual Environment Interaction", In Proceedings of the Second IASTED International Conference on Computer Graphics and Imaging, 221-225, October 1999.

LaViola, J. "A Multimodal Interface Framework For Using Hand Gestures and Speech in Virtual Environment Applications", Lecture Notes in Artificial Intelligence #1739, Gesture-Based Communication in Human-Computer Interaction, 303-314, March 1999. (available from Springer-Verlag)

Bowman, D., Kruijff, E., LaViola, J., and Poupyrev, I. "The Art and Science of 3D Interaction", Full-day tutorial presented at the ACM Symposium on Virtual Reality Software and Technology, London, England, December 1999.

Bowman, D., Kruijff, E., LaViola, J., and Poupyrev, I. "The Art and Science of 3D Interaction", Full-day tutorial presented at IEEE Virtual Reality'99, Houston, Texas, March 1999.

LaViola, J. "Whole-Hand and Speech Input in Virtual Environments", Master's Thesis, Brown University, Department of Computer Science, December 1999. (also available as Tech Report CS-99-15)

LaViola, J. "A Survey of Hand Posture and Gesture Recognition Techniques and Technology", Technical Report CS-99-11, Brown University, Department of Computer Science, Providence RI, June 1999.

Pickering, J., Bhuphaibool, D., LaViola, J., and Pollard, N. "The Coach's Playbook", Technical Report CS-99-08, Brown University, Department of Computer Science, Providence RI, May 1999.

Forsberg, A., LaViola, J., and Zeleznik, R. "Incorporating Speech Input into Gesture-Based Graphics Applications at The Brown University Graphics Lab", CHI'99 Workshop on Designing the User Interface for Pen and Speech Multimedia Applications, May 1999.

LaViola, J., Holden, L., Forsberg, A., Bhuphaibool, D., and Zeleznik, R. "Collaborative Conceptual Modeling Using the SKETCH Framework", In Proceedings of the First IASTED International Conference on Computer Graphics and Imaging, 154-158, June 1998.

Forsberg, A., LaViola, J., and Zeleznik, R. "ErgoDesk: A Framework for Two and Three Dimensional Interaction at the ActiveDesk", In the Proceedings of the Second International Immersive Projection Technology Workshop, Ames, Iowa, May 11-12, 1998.

LaViola, J., Forsberg, A., and Zeleznik, R. "Jot: A Framework for Interface Research", IBM's interVisions Online Magazine, Issue #11, February, 1998. http://www.alphaworks.ibm.com

Forsberg, A., LaViola, J., Markosian, L., and Zeleznik, R. "Seamless Interaction in Virtual Reality", IEEE Computer Graphics and Applications, 17(6):6-9, November/December 1997.

LaViola, J., Barton, R., Goettsch, A., and Cross, R. "A Real-Time Distributed Virtual Environment for Collaborative Engineering", In Proceedings of Computer Applications in Production and Engineering(CAPE), 712-726, November 1997.

LaViola, J. "Analysis of Mouse Movement Time Based on Varying Control to Display Ratios Using Fitts' Law", Technical Report CS-97-17, Brown University, Department of Computer Science, Providence RI, October 1997.

LaViola, J. "Experiment in VM Reduction, Conversion of Site Operating Procedures to the World Wide Web", IBM Technical Report, TR54.922, December 29, 1995.