Publications

Williams, A. S.* and Ortega, F. R. (2021). A Concise Guide to Elicitation Methodology. Fort Collins, CO.

Barreto, A., Adjouadi, M., Ortega, F. R., and O-larnnithipong, N. (2020). Intuitive Understanding of Kalman Filtering Using MatLab. CRC Press, New York, NY.

Ortega, F. R., Abyarjoo, F., Barreto, A., Rishe, N., and Adjouadi, M. (2016). Interaction Design for 3D User Interfaces: The World of Modern Input Devices for Research, Applications, and Game Development. CRC Press/AK Peters, New York, NY.

Borhani, Z.*, Holen, E.*, Williams, A.*, Machuca, M., Batmaz, A., Kelley, B.*, Zhou, X.*, Rhodes, M., Ortega, F. R. (2026). Recall This Gesture? Investigating Gesture Memorability in Extended Reality. IEEE Transactions on Visualization and Computer Graphics.

Poole, C. A.*, Warden, A. C.*, Wickens, C. D., Raikwar, A.*, Clegg, B. A., Buckman, M.*, & Ortega, F. R. (2025). Information Access Costs With an Augmented Reality Head-Mounted Display. Human Factors: The Journal of the Human Factors and Ergonomics Society.

Plabst, L.*, Niebling, F., Oberdörfer, S., and Ortega F. R. Order Up! Multimodal Interaction Techniques for Notifications in Augmented Reality. in IEEE Transactions on Visualization and Computer Graphics, vol. 31, no. 5, pp. 2258-2267, May 2025.

Spitzer, A. N.*, Ramey, M. R., Yu, Y. “Skylar”, Oselinsky, K. M., McMahon, K., Kelley, B., Rojas-Rueda, D., Dean, D., LoTemplio, S. B., Ortega, F. R., & Graham, D. J. (2025). Walking in an Urban Environment and a Virtual Reality Replica: Comparisons of Physical Activity Duration and Intensity. Transportation Research Record: Journal of the Transportation Research Board.

Zhou, X.*‡, Lee, B.‡, Ortega, F. R., Batmaz, A. U., and Yang, Y. (2024). Lights, Headset, Tablet, Action: Exploring the Use of Hybrid User Interfaces for Immersive Situated Analytics. In Proceedings of ACM Human-Computer Interaction, Presented at Interactive Surfaces and Spaces Conference 2024. 8, ISS, Article 5470, 23 pages.

Warden, A. C.*, Wickens, C. D., Clegg, B. A., Rehberg, D.*, and Ortega, F. R. (2024). Information Access Effort: The Role of Head Movements for Information Presented at Increasing Eccentricity on Flat Panel and Head-Mounted Displays. In Human Factors. 66(8), 2057-2081.

Warden, A. C.*, Wickens, C. D., Clegg, B. A., and Ortega, F. R. (2024). Quantitative effects of overlay clutter and information access effort: Examining the scan-clutter trade-off in displays with geospatial maps. In Journal of Experimental Psychology: Applied, 30(4), 607–630.

Raikwar, A.*, Mifsud, D.*, Wickens, C., Batmaz, A. U., Warden, A., and Kelley, B.*, Clegg, B. A., and Ortega, F. R. (2024). Beyond the Wizard of Oz: Negative Effects of Imperfect Machine Learning to Examine the Impact of Reliability of Augmented Reality Cues on Visual Search Performance. In IEEE Transactions on Visualization and Computer Graphics, vol. 30, no. 5, pp. 2662-2670.

Masters, R.*, Nicoly, J.*, Gaddy, V.*, Interrante, V., and Ortega F. R. (2024). The Impact of Nature Realism on the Restorative Quality of Virtual Reality Forest Bathing. In ACM Transactions of Applied Perception (TAP). 22, 1, Article 3, 18 pages. Accepted (June 2024). November, 2024.

Borhani Z.*, Sharma P.*, and Ortega, F. R. (2024). Survey of Annotations in Extended Reality Systems. In IEEE Transactions on Visualization and Computer Graphics.

Scolere, L., Malinin, L. H., and Ortega, F. R. (2023). Co-designing augmented reality: exploring the role of boundary negotiating artifacts. In International Journal of CoCreation in Design and the Arts. Taylor & Francis Online. pp. 1 – 20.

Warden, A. C.*, Wickens, C. D., Rehberg, D.*, Ortega, F. R., Clegg, B.A. (2023). Fast, Accurate, but Sometimes Too-Compelling Support: The Impact of Imperfectly Automated Cues in an Augmented Reality Head-Mounted Display on Visual Search Performance. In IEEE Transactions on Human-Machine Systems, pp. 1 – 12.

Wickens, C. D., Mifsud, D.*, Rodriguez, R.*, and Ortega, F. R. (2023). Mitigating the costs of spatial transformations with a situation awareness augmented reality display: Assistance for the Joint Terminal Attack Controller. SAGE, pp. 3–17. In Human Factors: The Journal of the Human Factors and Ergonomics Society. SAGE..1177/00187208211022468.

Oselinsky, K., Spitzer, A. N, Yu, Y., Ortega, F. R., Malinin, L. H., Curl, K. A., Leach, H., Graham, D. J. (2023). Virtual reality assessment of walking in a modifiable urban environment: a feasibility and acceptability study. 13, 5867. In Scientific Reports.

Williams, A. S.*, and Ortega, F. R. (2022). The Impacts of Referent Display on Gesture and Speech Elicitation. In IEEE Transactions on Visualization and Computer Graphics. IEEE vol. 28, iss. 11. (September 2022), pp. 3885-3895.

Williams, A. S.*, Garcia, J.*, & Ortega, F. R. (2022). Errata to “Understanding Multimodal User Gesture and Speech Behavior for Object Manipulation in Augmented Reality Using Elicitation.” IEEE Transactions on Visualization and Computer Graphics, 28(7), 2808.

Wang, H.*, Gaddy, V.*, Beveridge, J. R., and Ortega, F. R. (2021). Building an Emotionally Responsive Avatar with Dynamic Facial Expressions in Human—Computer Interactions. MDPI vol. 5, iss. 3. (March 2021), pp. 1–13. In Multimodal Technologies and Interaction.

Silva-Calpa, G. F. M., Raposo, A. B., and Ortega, F. R. (2021). Collaboration Support in Co-located Collaborative Systems for Users with Autism Spectrum Disorders: A Systematic Literature Review. Taylor & Francis Online vol. 37, iss. 1. (January 2021), pp. 15–35. In International Journal of Human-Computer Interactions. 10447318.2020.1801224.

Williams, A. S.*, Garcia, J.*, De Zayas, F.†, Hernandez, F.†, Sharp, J., and Ortega, F. R. (2020). The Cost of Production in Elicitation Studies and the Legacy Bias-Consensus Trade off. MDPI vol. 4, iss. 4. (December 2020), pp. 1–88. In Multimodal Technologies and Interaction.

Williams, A. S.*, Garcia, J.*, and Ortega, F. R. (2020). Understanding Multimodal User Gesture and Speech Behavior for Object Manipulation in Augmented Reality Using Elicitation. IEEE vol. 26, iss. 12. (December 2020), pp. 3479–3489. In IEEE Transactions on Visualization and Computer Graphics.

Williams, A. S.* and Ortega, F. R. (2020). Understanding Gesture and Speech Multimodal Interactions for Manipulation Tasks in Augmented Reality Using Unconstrained Elicitation. ACM vol. 4, iss. ISS. (November 2020), pp. 1–21. In Proceedings of the ACM on Human-Computer Interaction.

Ortega, F. R., Williams, A. S.*, Tarre, K.†, Barreto, A. and Rishe, N. (2020). 3D Travel Comparison Study between Multi-Touch and GamePad. Taylor & Francis vol. 36, iss. 18. (November 2020), pp. 1699–1713. In International Journal of Human-Computer Interaction.

Vieira, E. R., Civitella, F., Carreno, J., Junior, M. G., Amorim, C. F., D’Souza, N., Ozer, E., Ortega, F. R., and Estrázulas, J. A. (2020). Using Augmented Reality with Older Adults in the Community to Select Design Features for an Age-Friendly Park: A Pilot Study. Hindawi vol. 2020, Article ID 8341034. (September 2020), pp. 1–8. In Journal of Aging Research.

Coffino, J., Barreto, A., Abyarjoo, F., and Ortega, F. R. (2014). Sonically-Enhanced Tabular Screen-Reading. vol. 2. (December 2014), pp. 46–57. In Journal on Technology & Persons with Disabilities (JTPD). xs55mg57v#page=53.

Ren, P., Barreto, A., Huang, J., Gao, Y., Ortega, F. R., and Adjouadi, M. (2014). Off-line and On-line Stress Detection through Processing of the Pupil Diameter Signal. In Annals of Biomedical Engineering. Springer Link vol. 42, iss. 1. (January 2014), pp. 162–176.

Daunhauer, L., Ortega, F. R., Beveridge, R., Strout, J.*, and Bundy, A. (2021). Chapter Five – Captivating: Avatars as therapeutic agents for children with intellectual and developmental disabilities. Editors: Riggs, N, Rigles, B, in International Review of Research in Developmental Disabilities. Academic Press, pp. 133–157.

Hernandez, F. E., and Ortega, F. R. (2021). Reducing Video Game Creation Effort with Eberos GML2D. Chapter in Game Development Tools edited by Marwan Y. Ansari. AK Peters/CRC Press. New York, NY.

Huffman, S., South, L., Buckman, M. J.*, Kushalnagar, R., Ortega, F. R., Glasser, A. (2026). Reclaiming VR Design Authority: Deaf Signers Shaping Immersive Classrooms. In Proceedings of the 2026 CHI Conference on Human Factors in Computing Systems (CHI '26). Article 256, pp. 1–18.

Plabst, L.*, Niebling, F., and Ortega, F. R. (2025). Five-day research-in-the-wild observation of notifications on smartglasses: A double edged sword. In Proceedings of the 2025 31st ACM Symposium on Virtual Reality Software and Technology (VRST ’25). Association for Computing Machinery, New York, NY, USA, Article 37, 1–10.

Kelley, B.*, McMahan, R. P., Wickens, C. D., Clegg, B. C., and Ortega, F. R. (2025). The Importance of Cueing While Visually Searching a 360 Degree Environment for Multiple Targets in the Presence of Distractors. In Proceedings of the 2025 31st ACM Symposium on Virtual Reality Software and Technology (VRST ’25). Association for Computing Machinery, New York, NY, USA, Article 28, 1–11.

Turkmen, R., Ortega, F. R., and Batmaz, A. U. (2025). Don’t Miss Notifications: Exploring Gaze Notifications for Virtual Reality Cooking Environment. In 2025 IEEE International Symposium on Mixed and Augmented Reality (ISMAR). Daejeon, Korea, Republic of, 2025, pp. 518-528.

Rehberg, R.*, Williams, A. S., Batmaz, A. U., and Ortega, F. R. (2025). Repurposing Audio Playback Tools to Test Human Localization with 6DoF Sound. In Proceedings of the 38th Annual ACM Symposium on User Interface Software and Technology (UIST ’25). Association for Computing Machinery, New York, NY, USA, Article 21, 1–14.

Warden, A. C.*, Wickens, C. D., Rehberg, D.* Clegg B. A., and Ortega F. R. (2025). Clutter costs in head-mounted displays: a study examining trade-offs between overlay and adjacent presentation of information. Cogn. Research 10, 47.

Spencer, C. A.†, Nicoly, J. B.*, Plabst, L.*, Pharmer, R. L.*, Wickens, C. D., Ortega, F. R., Clegg, B. A., Lewis, J. E., & Hirshfield, L. (2025). Investigating Cognitive Engagement from Training to Application Under Varied Workload Manipulations in Virtual Reality. Proceedings of the Human Factors and Ergonomics Society Annual Meeting.

Borhani, Z.*, Delamarre, A., Plabst, Lena*, Ferguson, L., Jenkins, R., Barreto, A., & Ortega, F. R. (2025). Comparing Instruction Methods for DailyBuddy: A Mobile App for Improving Daily Living Skills for Adults with Autism. In: Wei, J., Margetis, G. (eds) Human-Centered Design, Operation and Evaluation of Mobile Communications. HCII 2025 Lecture Notes in Computer Science, vol 15823. Springer, Cham.

Sturgeon, M., Anspach, E., Ortega, F. R., Ray, I., Safayet Arefin, M. (2025). Impact of Relevant Augmented Reality Information on Human Performance. In: Bebis, G., et al. In Advances in Visual Computing, ISVC. Lecture Notes in Computer Science, vol 15047. Springer, Cham.

Raikwar, A.*, Plabst, L.*, Batmaz, A. U., Niebling, F., Ortega, F. R. (2024). Ping! Your Food is Ready: Comparing Different Notification Techniques in 3D AR Cooking Environment. In 2024 IEEE International Symposium on Mixed and Augmented Reality (ISMAR), Bellevue, WA, USA, pp. 1157-1166.

Kelley, B.*, Wickens, C., Warden, A. C.*, Clegg, B., and Ortega, F. (2024). 2D and 3D Augmented Reality Attention Cueing Comparisons in 3D Target Search. In Proceedings of the Human Factors and Ergonomics Society Annual Meeting, 68(1), 1176-1180.

Nicoly, J. B.*, Masters, R.*, Gaddy, V.*, Interrante, V., and Ortega, F. R. (2024). The Restorative Influence of Virtual Reality Environment Design. In ACM Symposium on Applied Perception 2024 (SAP ’24). Association for Computing Machinery, New York, NY, USA, Article 12, 1–10.

Mifsud, D. M.*, Wickens, C. D., Rodriguez, R.*, Ortega, F. R., Maulbeck, M. (2024). Augmented Reality Compensatory Aid for Improved Weapon Splash-Zone Awareness. In International Conference on Human-Computer Interaction (pp. 230-240). Cham: Springer Nature Switzerland.

Li, J.*, Coler, A. S., Borhani, Z.*, Ortega, F. R. (2024). Collecting and Analyzing the Mid-Air Gestures Data in Augmented Reality and User Preferences in Closed Elicitation Study. In International Conference on Human-Computer Interaction, pp. 201-215. Cham: Springer Nature Switzerland.

Rodriguez, R., Sullivan, B. T., Barrera Machuca, M. D., Batmaz, A. U., Tornatzky, C., and Ortega, F. R. (2024). An Artists’ Perspectives on Natural Interactions for Virtual Reality 3D Sketching. In Proceedings of the 2024 CHI Conference on Human Factors in Computing Systems (CHI ’24). Association for Computing Machinery, New York, NY, USA, Article 163, 1–20.

Aliza, A., Zaugg, I.*, Çelik, E., Stuerzlinger, W., Ortega, F. R., Batmaz, A. U., and Sarac, M. (2024). Eye-Hand Coordination Training: A Systematic Comparison of 2D, VR, and AR Display Technologies and Task Instructions. In 2024 IEEE Conference Virtual Reality and 3D User Interfaces (VR), Orlando, FL, USA, pp. 200–210. 9/VR58804.2024.00043.

Williams A.*, Batmaz A. U., Zhou X.*, Pahud M., and Ortega F. R. (2023). A Pilot Study Comparing User Interactions Between Augmented and Virtual Reality. In Bebis, G., et al. Advances in Visual Computing: 17th International Symposium. ISVC 2023. Lecture Notes in Computer Science, vol 14362, pp. 3–14. Springer, Cham.

Kelley B.*, Batmaz A. U., Humphrey M., Tornatzky C., Martey R., Ortega F. R. (2023). Emergent Individual Factors for AR Education and Training. In Bebis, G., et al. Advances in Visual Computing: 17th International Symposium. ISVC 2023. Lecture Notes in Computer Science, vol 14362, pp. 27–38. Springer, Cham.

Warden, A. C., Wickens C. D., Clegg B. A., and Ortega F. R. (2023). Effects of Color Commonality of Overlay Clutter and Information Access Effort on Tasks Requiring Visual Search. In Proceedings of the Human Factors and Ergonomics Society Annual Meeting. Sage CA: Los Angeles, CA: SAGE Publications.

Poole C. A., Warden A. C., Wickens C. D., Raikwar A.*, Clegg B. A., and Ortega F. R. (2023). Information Access Costs with a Wide-Angle Desktop Display. In Proceedings of the Human Factors and Ergonomics Society Annual Meeting. g/ Sage CA: Los Angeles, CA: SAGE Publications.

Plabst, L.*, Raikwar, A.*, Oberdörfer, S., Ortega, F. R., and Niebling, F. (2023). Exploring Unimodal Notification Interaction and Display Methods in Augmented Reality. In Proceedings of the 29th ACM Symposium on Virtual Reality Software and Technology (VRST’23). pp. 1-11.

Warden, A. C.*, Wickens, C. D., Clegg, B. A., Ortega, F. R. (2023). A meta-analytic examination of the cost and benefits of overlay versus separate displays. Proceedings of the Human Factors and Ergonomics Society Annual Meeting.

Plabst, L.*, Oberdörfer, S., Ortega, F. R., and Niebling, F. (2022). Push the Red Button: Comparing Notification Placement with Augmented and Non-Augmented Tasks in AR. In Proceedings of the 2022 ACM Symposium on Spatial User Interaction (SUI ’22). Association for Computing Machinery. pp. 1–11.

Zhou, X.*, Williams, A. S., and Ortega, F. R. (2022). Eliciting Multimodal Gesture+Speech Interactions in a Multi-Object Augmented Reality Environment. In Proceedings of the 28th ACM Symposium on Virtual Reality Software and Technology (VRST ’22). Association for Computing Machinery. pp. 1–10.

Masters, R.†, Interrante, V., Watts, M.*, and Ortega, F. R. (2022). Virtual Nature: Investigating the Effect of Biomass on Immersive Virtual Reality Forest Bathing Applications For Stress Reduction. In ACM Symposium on Applied Perception 2022 (SAP ’22). Association for Computing Machinery. pp. 1–10.

Warden, A. C.*, Wickens, C. D., Rehberg, D.*, Clegg, B. A., and Ortega, F. R. (2022). Information Access Effort: Are Head Movements “Cheap” or Even “Free”?. In Proceedings of the Human Factors and Ergonomics Society 66th Annual Meeting. SAGE. pp. 2203–2207.

Warden, A. C.*, Wickens, C. D., Mifsud, D.*, Ourada, S.*, Clegg, B. A., and Ortega, F. R. (2022). Visual Search in Augmented Reality: Effect of Target Cue Type and Location. In Proceedings of the Human Factors and Ergonomics Society Annual Meeting. SAGE. pp. 373–377.

Mifsud, D.*, Wickens, C., Maulbeck, M., Crane, P., and Ortega, F. R. (2022). The Effectiveness of Gaze Guidance Lines in supporting JTAC’s attention allocation. In Proceedings of the Human Factors and Ergonomics Society Annual Meeting. SAGE. pp. 2198–2201.

Zhou, X.*, Williams, A. S.*, Ortega, F. R. (2022). Towards Establishing Consistent Proposal Binning Methods for Unimodal and Multimodal Interaction Elicitation Studies. In Human-Computer Interaction. Theoretical Approaches and Design Methods. Springer, Cham. pp. 356–368.

Al Azad, M. W., Shannigrahi, S., Stergiou, N., Ortega, F. R., and Mastorakis, S. (2021). CLEDGE: A Hybrid Cloud-Edge Computing Framework over Information Centric Networking. In 2021 IEEE 46th Conference on Local Computer Networks. IEEE. pp. 589–596.

Rodriguez, R.*, Mifsud, D.*, Wickens, C., Williams, A. S.*, Tarre, K.†, Crane, P., and Ortega, F. R. (2021). Virtual Reality Compensatory Aid for Improved Weapon Splash-Zone Awareness. In Human-Computer Interaction. Virtual, Augmented and Mixed Reality. Springer, Cham. pp. 533–544.

Williams, A. S.*, Angelini, C.†, Kress, M.†, Ramos Vieira, E., D’Souza, N., Rishe, N. D., Medina, J.†, Özer, E., and Ortega, F. R. (2020). Augmented Reality for City Planning. In Human-Computer Interaction International. Springer, Cham. pp. 256–271.

McNeely-White, D. G.*, Ortega, F. R., Beveridge, J. R., Draper, B. A., Bangar, R.*, Patil, D.*, Pustejovsky, J., Krishnaswamy, N., Rim, K., Ruiz, J., and Wang, I. (2019). User-Aware Shared Perception for Embodied Agents. In 2019 IEEE International Conference on Humanized Computing and Communication (HCC). IEEE. pp. 46–51.

O-larnnithipong, N., Ratchatanantakit, N., Tangnimitchok, S., Ortega, F. R., Barreto, A., and Adjouadi, M. (2019). Statistical Analysis of Novel and Traditional Orientation Estimates from an IMU-Instrumented Glove. In Antona M., Stephanidis C. (eds) Universal Access in Human-Computer Interaction. Multimodality and Assistive Environments. Springer, Cham. pp. 282–299.

Tangnimitchok, S., O-larnnithipong, N., Ratchatanantakit, N., Barreto, A., Ortega, F. R., and Rishe, N. D. (2018). A System for Non-Intrusive Affective Assessment in the Circumplex Model from Pupil Diameter and Facial Expression Monitoring. In HumanComputer Interaction. Theories, Methods, and Human Issues. Springer, Cham. pp. 465–477.

Balcazar, R.†, Ortega, F. R., Tarre, K.†, Barreto, A., Weiss, M., and Rishe, N. D. (2017). CircGR: Interactive Multi-Touch Gesture Recognition using Circular Measurements. In Proceedings of the 2017 ACM International Conference on Interactive Surfaces and Spaces. Association for Computer Machinery. pp. 12–21.

Ortega, F., Galvan, A.†, Tarre, K.†, Barreto, A., Rishe, N., Bernal, J.†, Balcazar, R.†, and Thomas, J. L†. (2017). Gesture Elicitation for 3D Travel via Multi-Touch and Mid-Air Systems for Procedurally Generated Pseudo-Universe. In 2017 IEEE Symposium on 3D User Interfaces. IEEE. pp. 144–153.

Tangnimitchok, S., O-Larnnithipong, N., Barreto, A., Ortega, F. R., and Rishe, N. D. (2016). Finding an Efficient Threshold for Fixation Detection in Eye Gaze Tracking. In International Conference on Human-Computer Interaction, Interaction Platforms and Techniques of the series Lecture Notes in Computer Science. Springer, Cham. pp. 93–103.

Abyarjoo, F., O-Larnnithipong, N., Tangnimitchok, S., Ortega, F. R., and Barreto, A. (2015). PostureMonitor: Real-Time IMU Wearable Technology to Foster Poise and Health. In International Conference of Design, User Experience, and Usability of the series Lecture Notes in Computer Science. Springer, Cham. pp. 543–552.

Ortega, F. R., Barreto, A., Rishe, N., O-Larnnithipong, N., Adjouadi, M., and Abyarjoo, F. (2015). GyroTouch: Wrist Gyroscope with a Multi-Touch Display. In International Conference on Human-Computer Interaction, Human-Computer Interaction: Interaction Technologies of the series Lecture Notes in Computer Science. Springer, Cham. pp. 262–270.

Ortega, F. R., Rishe, N., Barreto, A., Abyarjoo, F., and Adjouadi, M. (2014). Multi-Touch Gesture Recognition Using Feature Extraction. In Innovations and Advances in Computing, Informatics, Systems Sciences, Networking and Engineering of the series Lecture Notes in Electrical Engineering. Springer, Cham. pp. 291–296.

Abyarjoo, F., Barreto, A., Cofino, J., and Ortega, F. R. (2014). Implementing a Sensor Fusion Algorithm for 3D Orientation Detection with Inertial/Magnetic Sensors. In Innovations and Advances in Computing, Informatics, Systems Sciences, Networking and Engineering of the series Lecture Notes in Electrical Engineering. Springer, Cham. pp. 305–310.

Ortega, F. R., Liu, S., Hernandez, F.†, Barreto, A., Rishe, N., and Adjouadi, M. (2014). PeNTa: Multi-Touch Modeling using Petri Nets. In International Conference on HumanComputer Interaction, Human-Computer Interaction: Theories, Methods, and Tools of the series Lecture Notes in Computer Science. Springer, Cham. pp. 361-372.

Abyarjoo, F., Barreto, A., Abyarjoo, S., Ortega, F. R., and Cofino, J. (2013). Monitoring Human Wrist Rotation in Three Degrees of Freedom. In 2013 Proceedings of IEEE SoutheastCon. IEEE. pp. 1-5.

Cofino, J., Barreto, A., Abyarjoo, F., Ortega, F. R. (2013). Sonifying HTML tables for audio-spatially enhanced non-visual navigation. In 2013 Proceedings of IEEE Southeastcon. IEEE. pp. 1–5.

Ortega, F., Barreto, A., Rishe, N., and Adjouadi, M. (2012). Interaction with 3D Environments Using Multi-Touch Screens. In Innovations and Advances in Computer, Information, Systems Sciences, and Engineering of the series Lecture Notes in Electrical Engineering. vol. 152, pp. 381–392, CISSE. Springer.

Verhoef, T., Lisetti, C., Barreto, A., Ortega, F. R., Van der Zant, T., and Cnossen, F. (2009). Bio-sensing for Emotional Characterization without Word Labels. In Human-Computer Interaction. Ambient, Ubiquitous and Intelligent Interaction, 13th International Conference, HCI International. Lecture Notes in Computer Science. Springer, Cham. pp. 693–702.

Ortega, F. R., Interrante, V., Lotemplio, S., Masters, R.*, Nicoly, J.*, Borhani, Z.*, Davalos, D., and Zielasko, D. (2024). Enhancing Well-Being Through Positive Technology: VR Forest Bathing. In 2024 Conference on Computer-Supported Cooperative Work and Social Computing, Envisioning New Futures of Positive Social Technology: Beyond Paradigms of Fixing, Protecting, and Preventing (Positech).

Asif, A.*, U. Z., Sridhar, M., Ray, I., and Ortega, F. R. (2024). Breaking the Virtual Barrier of Exploit Chain Attacks in XR Systems. 2024 IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMAR-Adjunct), SafeAR: Approaching Augmented Reality Design & Development with a Security, Privacy & Safety Mindset, Bellevue, WA, USA, pp. 32-34.

Kelley, B.*, Raikwar, A.*, Wickens, C. D., McMahan, R. P., Ortega, F. R., and Clegg, B. A. (2024). Addressing Human Factors Related to Artificial Intelligence Integrated Visual Cueing. In 2024 IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMAR-Adjunct), 1st Workshop on Intelligent XR: Harnessing AI for Next-Generation XR User Experiences (iXR), Bellevue, WA, USA, pp. 209-213.

Borhani Z.*, and Ortega, F. R. (2024). Enhancing Replicability in XR HCI Studies: A Survey-Based Approach. In 2024 IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMAR-Adjunct), 4th Workshop on Replication in Extended Reality (WoRXR), Bellevue, WA, USA, pp. 42-46,.00020.

Borhani, Z.*, Borhani, F., and Ortega, F. R. (2024). Experiencing Gravitational Red-Shifting in Virtual Reality. In 2024 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW), 5th Annual Workshop on 3D Content Creation for Simulated Training in eXtended Reality (TrainingXR), Orlando, FL, USA, 2024, pp. 133137.

Zhou*, X., Yang, Y., Ortega, F. R., Batmaz, A. U., Lee, B. (2023). Data-driven Storytelling in Hybrid Immersive Display Environments. In 2023 IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMAR-Adjunct), Sydney, Australia, pp. 242–246.

Masters, R.*, Ortega, F. R., Interrante, V. (2023). A Multisensory Approach to Virtual Reality Stress Reduction. CHI Workshop.

Karduna, A.*, Williams, A. S.*, and Ortega, F. R. (2022). NUI-Spatial Markers: AR Spatial Markers For the Rest of Us. In 2022 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops. IEEE VR 2022 Workshop - Tools and Libraries for Virtual Reality.(VRW ’22), March 12-16, Christchurch, New Zealand. IEEE, pp. 58-60.

Gaddy, V.*, and Ortega, F. R. (2022). Exploring Factors Associated with Retention in Computer Science Using Virtual Reality. In 2022 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW ’2022), March 12–16 2022, Christchurch, New Zealand, pp. 271–276. Seventh workshop on K-12+ Embodied Learning through Virtual and Augmented Reality (KELVAR). 2.00062.

Williams, A. S.*, Zhou, X.*, Pahud, M., Ortega, F. R. (2022). A Pilot Study on The Impact of Stereoscopic Display Type on User Interactions Within A Immersive Analytics Environment. CHI Workshop.

Borhani, Z.* (2022). Annotation in Asynchronous Collaborative Immersive Analytic Environments using Augmented Reality. In 2022 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW), Doctoral Consortium. IEEE, pp. 950–951.

Batmaz, A. U., Mifsud, D.*, Steed, A., Stuerzlinger, W., and Ortega, F. R. (2021). Researchers’ and Participants’ Experiences on Distributed User Studies Conducted in the First Year of COVID-19 Pandemic. In First XR Remote Research Workshop (ACM CHI ’21), March 27 - April 1, 2021, Lisbon, Portugal. pp. 1–3.

Williams, A. S.*, and Ortega, F. R. (2021). Using a 6 Degrees of Freedom Virtual Reality Input Device With An Augmented Reality Headset In A Collaborative Environment. In 2021 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW). Third Workshop on Novel Input Devices and Interaction Techniques (NIDIT). March 27 - April 1, 2021, Lisbon, Portugal. IEEE, pp. 205–209.

Ratcliffe, J., Soave, F., Hoover, M., Ortega, F. R., Bryan-Kinns, N., Tokarchuk, L., and Farkhatdinov, I. (2021). Remote XR Studies: Exploring Three Key Challenges of Remote XR Experimentation. In Extended Abstracts of the 2021 CHI Conference on Human Factors in Computing Systems (CHI EA ’21). May 2021, Association for Computing, pp. 1–4.

Pustejovsky, J., Krishnaswamy, N., Beveridge, R., Ortega, F. R., Patil, D.*, Want, H.*, and White, D*. (2020). Interpreting and Generating Gestures with Embodied Human Computer Interactions. In ACM IVA ’20, Generation and Evaluation of Non-verbal Behaviour for Embodied Agents Workshop. In print.

Williams, A. S.*, Coler, S., Ortega, F. R. (2020). Conversations On Multimodal Input Design With Older Adults. In ACM CHI 2020 Workshop Designing Interactions for the Ageing Populations – Addressing Global Challenges. pp. 1–4. 2008.11834.pdf.

Shannigrahi, S., Mastorakis, S., and Ortega, F. R. (2020). Next-Generation Networking and Edge Computing for Mixed Reality Real-Time Interactive Systems. In 2020 IEEE International Conference on Communications Workshops (ICC Workshops), June 7-11, 2020, Dublin, Ireland. IEEE, pp. 1–6..9145075.

Gaddy, V.*, and Ortega, F. R. (2020). Exploring the Impact of Belonging on Computer Science Enrollment Using Virtual Reality. In 2020 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW). March 22-26, 2020, Atlanta, GA, USA. IEEE, pp. 444-448. Fifth workshop on K-12+ Embodied Learning through Virtual and Augmented Reality (KELVAR).

Williams, A. S.*, and Ortega, F. R. (2020). Insights on visual aid and study design for gesture interaction in limited sensor range Augmented Reality devices. In 2020 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW). Second Workshop on Novel Input Devices and Interaction Techniques (NIDIT). March 22-26, 2020, Atlanta, GA, USA. IEEE, pp. 19–22.

Williams, A.*, Ortega, F. R. (2020). Multimodal User-Defined inputs for Optical See-Through Augmented Reality Environments. IEEE VR 2020 Workshops (VRW).

O-larnnithipong, N., Ratchatanantakit, N., Tangnimitchok, S., Ortega, F. R., and Barreto, A. (2019). Hand Tracking Interface for Virtual Reality Interaction based on MARG sensors. In 2019 IEEE Conference on Virtual Reality and 3D User Interfaces (VR), Workshop on Novel Input Devices and Interaction Techniques (NIDIT). March 23-27, 2019, Osaka, Japan. IEEE, pp. 1717–1722.

Ortega, F. R., Tarre, K.†, Kress, M.†, Williams, A. S.*, Barreto, A. B., and Rishe, N. D. (2019). Selection and Manipulation Whole-Body Gesture Elicitation Study In Virtual Reality. In 2019 IEEE Conference on Virtual Reality and 3D User Interfaces (VR), Workshop on Novel Input Devices and Interaction Techniques (NIDIT), March 23-27, 2019, Osaka, Japan. IEEE, pp. 1723–1728.

Raikwar, A.*, D’Souza, N., Rogers, C.†, Kress, M.†, Williams, A.*, Rishe, N. D., Ortega, F. R. (2019). CubeVR: Digital Affordances for Architecture Undergraduate Education using Virtual Reality In 2019 IEEE Conference on Virtual Reality and 3D User Interfaces, Workshop on K-12 Embodied Learning through Virtual & Augmented Reality (KELVAR). March 23-27, 2019, Osaka, Japan. IEEE, pp. 1623–1626.

Ortega, F. R., Bolivar, S.†, Bernal, J.†, Galvan, A.†, Tarre, K.†, Rishe, N., and Barreto, A. (2017). Towards a 3D Virtual Programming Language to Increase the Number of Women in Computer Science Education. In 2017 IEEE Virtual Reality Workshop on K-12 Embodied Learning through Virtual & Augmented Reality (KELVAR), March 19, 2017, Los Angeles, CA. pp. 1–6.

Ortega, F. R., Jamides, S.†, Barreto, A., and Rishe, N. D. (2017). The Tabletop is Dead. Long Live the Tabletop!. In The Disappearing Tabletop: Social and Technical Challenges for Cross-Surface Collaboration workshop on Interactive Surfaces and Spaces (ISS ’17).

Ortega, F. R., Balcazar, R.†, Barreto, A., and Rishe, N. D. (2016). Smart Learning Desk: Towards an Interactive Classroom. In IEEE Virtual Reality 2016 Workshop on K-12 Em14 bodied Learning through Virtual & Augmented Reality (KELVAR ’16), March 2016.

Wu Y., Hernandez, F.†, Ortega, F. R., Clarke, P. J., and France, R. (2010). Measuring the Effort for Creating and Using Domain-Specific Models. In Proceedings of the 10th Workshop on Domain-Specific Modeling (DSM ’10). ACM, New York, NY, USA, article 14, pages 6.

Hernandez, F. E., and Ortega, F. R. (2010). Eberos GML2D: A Graphical Domain-Specific Language for Modeling 2D Video Games. In Proceedings of the 10th Workshop on DomainSpecific Modeling (DSM ’10). ACM, New York, NY, USA, article 4, pages 6.

Heinrich, F., Mielke, T., Klank, R., Ortega, F. R., Hansen, C., Huber, T., Huettl, F. (2026). HoloNote: Exploring Augmented Reality Notifications for Ergonomic Feedback in Laparoscopic Training. Extended Abstracts of the 2026 CHI Conference (CHI EA '26).

Aich, S., Plabst, Lena*, South, L., Huffman, S., and Ortega, F. R. (2025). Surveying Accessibility Features in VR Applications for Meta Quest 3. In Proceedings of the 2025 31st ACM Symposium on Virtual Reality Software and Technology (VRST ’25). Association for Computing Machinery, New York, NY, USA, Article 112, 1–3. 56884.3768412.

Kelley*, B., McMahan, R. P., Wickens, C. D., Clegg B. A., and Ortega F. R. Cuing Multiple-Targets for Visual Search in Virtual Reality. 2025. IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW), Saint Malo, France, 2025, pp. 1222-1223.

Zhou, X.*, Batmaz, A. U., Williams, A. S., Schreiber, D.*, and Ortega, F. R. (2024). I Did Not Notice: A Comparison of Immersive Analytics with Augmented and Virtual Reality. In Extended Abstracts of the CHI Conference on Human Factors in Computing Systems (CHI EA ’24) Late-Breaking Work. Association for Computing Machinery, New York, NY, USA, Article 193, 1–7.

LoTemplio, S., Johnson, S., Rice, M., and Masters, R.*, Collins, S-A., Hoefecker, J., Rivera, J., Schreiber, D.*, Interrante, V. and Ortega, F. R., and Davalos, D. (2024). Aging Naturally: Virtual reality nature vs real-world nature’s effects on executive functioning and stress recovery in older adults. In 2024 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW), Orlando, FL, USA, pp. 1061-1062.

Kelley, B.*, Wickens, C., Clegg, B., Warden, A. C., and Ortega, F. R. (2024). Guiding Gaze: Comparing Cues for Visual Search. In 2024 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW), Orlando, FL, USA, pp. 1053-1054, 2024.

Borhani, Z.*, and Ortega F. R. (2023). A Virtual Reality System for Gender Swapping to Increase Empathy against Stereotype Threats in Computer Science Job Interviews. In 2023 IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMARAdjunct), Sydney, Australia, pp. 648–649. 23.00138.

Raikwar, A.*, Mifsud, D.*, Wickens, C., Kelley, B.*, Warden, A.*, Clegg, C., Ortega. F. R. (2023). Beyond the Wizard of Oz: Using Imperfect Machine Learning to Examine the Impact of Reliability of Augmented Reality Cues on Visual Search Performance. In 2023 IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMAR-Adjunct), Sydney, Australia, pp. 437–438..00093.

Plabst, L.*, Obertdörfer, S. Ortega, F. R., and Niebling, F. (2022). Press the red button: A user study comparing notification placement with augmented and non-augmented tasks in AR. In The 21st IEEE International Symposium on Mixed and Augmented Reality (ISMAR). October 17 - 21, 2022, Singapore, Singapore. IEEE, pp. 483–484.

Mifsud, D. M.*, Williams, A. S.*, Ortega, F. R., and Teather, R. J. (2022). Augmented Reality Fitts’ Law Input Comparison Between Touchpad, Pointing Gesture, and Raycast. In 2022 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW). March 12 - 16, 2022, Christchurch, New Zealand. IEEE, pp. 590–591.

Vieria, E. R., Estrázulas, J. A., Civitella, F., Carreno, J., D’Souza, N., Ozer, E., and Ortega, F. R. (2019). Does wearing augmented-reality goggles affect older adults’ kinematics during gait? The Gerontological Society of America’s 71st Annual Scientific Meeting. Austin, Texas. November 13-17, 2019. Innovation in Aging, 3(S1), S338.

Johnston, D.*, Flack, J.*, Ray, I., and Ortega, F. R. (2019). Towards a Virtual Reality Home IoT Network Visualization. In 2019 Graphics Interface - Human-Computer Interaction Track, May 2019, pp. 1–2.

Angelini, C.†, Williams, A. S.*, Kress, M.†, Vieira, E. R., D’Souza, N., Rishe, N. D., Medina, J.†, and Ortega, F. R. (2019). City Planning with Augmented Reality. In 2019 Graphics Interface - Human-Computer Interaction Track, May 2019, pp. 1–2.

Ortega, F. R., Tarre, K.,†, Kress, M.†, Williams, A. S.*, Barreto, A. B., and Rishe, N. D. (2019). Selection and Manipulation Whole-Body Gesture Elicitation Study In Virtual Reality. In 2019 IEEE Conference on Virtual Reality and 3D User Interfaces (VR), March 23 - 27, Osaka, Japan. IEEE, pp. 1723–1728.

Tarre, K.†, Williams, A. S.*, Borges, L.†, Rishe, N.D., Barreto, A. B., and Ortega, F. R. (2018). Towards first person gamer modeling and the problem with game classification in user studies. In Proceedings of the 24th ACM Symposium on Virtual Reality Software and Technology (VRST ’18), Stephen N. Spencer (Ed.). ACM, 2 pages. g/.

Galvan, A.†, Ortega, F. R., and Rishe, N. (2017). Procedural Celestial Rendering for 3D Navigation. In 2017 IEEE Symposium on 3D User Interfaces (3DUI), March 18 - 19, Los Angeles, CA. IEEE, pp. 211–212.

Calella, J. C.†, Ortega, F. R., Rishe, N., Bernal, J. F.†, and Barreto, A. (2016). HandMagic: Towards User Interaction with Inertial Measuring Units. In 2016 IEEE SENSORS. October 30 - November 3, Orlando, FL. IEEE, pp. 1–3.

Vassigh, S., Elias, A., Ortega, F. R., Davis, D., Gallardo, G., Alhaffar, H., Borges, L.†, Bernal, J.†, and Rishe, N. D. (2016). Integrating Building Information Modeling with Augmented Reality for Interdisciplinary Learning. In 2016 IEEE International Symposium Mixed and Augmented Reality (ISMAR-Adjunct). September 19 - 23, Merida, Mexico. IEEE, pp. 260–261.

Ortega, F. R., Rishe, N. D., and Barreto, A. (2015). TAMGeF: Touch-midAir-Motion Framework for Spatial Input. In Proceedings of the 3rd ACM Symposium on Spatial User Interaction (SUI ’15). Association for Computing Machinery, pp. 136. g/.

Ortega, F. R., Hernandez, F., Barreto, A., Rishe, N. D., Adjouadi, M., and Liu, S. (2013). Exploring Modeling Language for Multi-Touch Systems Using Petri-Nets. In Proceedings of the 2013 ACM International Conference on Interactive Tabletops and Surfaces (ITS ’13). Association for Computing Machinery, pp. 361–364. 349.2512400.

Ortega, F. R., Barreto, A., and Rishe, N. (2013). Augmenting Multi-Touch with Commodity Devices. (2013). In Proceedings of the 1st Symposium on Spatial User Interaction (SUI ’13). July 20 - 21, Los Angeles, CA, USA. Association for Computing Machinery, p. 95.

Ortega, F. R, Barreto, A., Rishe, N., Adjouadi, M., and Abyarjoo, F. (2013). Poster: Real-Time Gesture Detection for Multi-Touch Devices. In IEEE 8th Symposium on 3D User Interfaces (3DUI ’13). March 16-17, Orlando, FL. IEEE, pp. 167–168.

Raikwar, A.*, Plabst, L.*, and Ortega, F. R. (2022). ARtisan Bistro: A Cooking Task Environment to Conduct Studies in Augmented Reality. In The 21st IEEE International Symposium on Mixed and Augmented Reality (ISMAR). October 17 - 21, 2022, Singapore, Singapore. IEEE, pp. 909–910..00200.

Pustejovsky, J., Krishnaswamy, N., Beveridge, R., Patil, D.*, McNeely-White, D.G.*, Wang, H.*, and Ortega, F. R. (2020). Situational Awareness in Human-Computer Interaction: Diana’s World. In International Conference on Artificial Reality and Telexistence & Eurographics Symposium on Virtual Environments (ICAT-EGVE): Demos. December 2 - 4, 2020. ACM and Eurographics.

Raikwar, A.*, Stephens, J., and Ortega, F. R. (2020). Demo: Assessing Sports Related Concussion in Soccer Players Using Immersive VR Soccer. In 2020 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW). March 22 - 26, Atlanta, GA, USA. IEEE, pp. 822–823.

Balcazar, R.†, Ortega, F. R., Tarre, K.†, Barreto, A., Weiss, M., and Rishe, N. D. (2017). CircGR: Interactive Multi-Touch Gesture Recognition using Circular Measurements. In Proceedings of the 2017 ACM on Interactive Surfaces and Spaces (ISS ’17). Brighton, England. Association for Computing Machinery, pp. 12–21.

Ortega, F. R., Williams, A. S.*, Garcia, J*. (2020). Multi-modal gesture elicitation methodology for children. In Proceedings of the 2020 ACM Interaction Design and Children Conference: Extended Abstracts (IDC ’20). Association for Computing Machinery. New York, NY, USA, pp. 85–88.

Rishe, N. D., Adjouadi, M., and Ortega, F. R. (2020). Smart Bracelets for Remote Monitoring of Wearers’ Physical and Affective State”. In 2020 9th Mediterranean Conference on Embedded Computing (MECO), Budva, Montenegro, pp. 1-1, MECO49872.2020.9134093.

Bolivar, S.†, Perez, D., Carrasquillo, A., Willams, A. S.*, Rishe, N. D., and Ortega, F. R. (2019). 3D Interaction for Computer Science Educational VR Game. In Universal Access in Human-Computer Interaction. Virtual, Augmented, and Intelligent Environments. UAHCI 2019. Orlando, FL.

O-larnnithipong, N., Barreto, A., Ratchatanantakit, N., Tangnimitchok, S., and Ortega, F. R. (2018). Real-Time Implementation of Orientation Correction Algorithm for 3D Hand Motion Tracking Interface. In Universal Access in Human-Computer Interaction. Methods, Technologies, and Users. UAHCI 2018. Lecture Notes in Computer Science, Springer, vol 10907, pp. 228–242. Invited session: Spatial User Interaction Beyond the Mouse, Las Vegas, NV.

Bolivar, S.†, Ortega, F. R., Zock-Obregon, M.†, and Rishe, N. (2018). 3D Spatial Gaming Interaction to Broad CS Participation. In Universal Access in Human-Computer Interaction. Virtual, Augmented, and Intelligent Environments. UAHCI 2018. Lecture Notes in Computer Science, Springer, vol 10908, pp. 39–47. Invited session: Spatial User Interaction Beyond the Mouse, Las Vegas, NV.

Torres, N.†, Ortega, F. R., Bernal, J.†, Barreto, A., and Rishe, N. D. (2018). Towards MultiModal Interaction with Interactive Paint. In Universal Access in Human-Computer Interaction. Virtual, Augmented, and Intelligent Environments. UAHCI 2018. Lecture Notes in Computer Science, Springer, vol 10907, pp. 299–308. Invited session: Spatial User Interaction Beyond the Mouse, Las Vegas, NV.

Vassigh, S., Ortega, F. R., Barreto, A., Tarre, K.†, and Maldonado, J. (2018). Use of 3D Human-Computer Interaction for Teaching in the Architectural, Engineering and Construction Fields. In Universal Access in Human-Computer Interaction. Virtual, Augmented, and Intelligent Environments. UAHCI 2018. Lecture Notes in Computer Science, Springer, vol 10908, pp. 149–159. Invited session: Spatial User Interaction Beyond the Mouse, Las Vegas, NV.. Non-Refereed Articles.

Aazhang, B., Abler, R. T., Allebach, J. P., Bost, L. F., Cavallaro, J. R., Chong, E. K. P., Coyle, E. J., Cullers, J. B. S., Dennis, S. M., Dong, Y., Enjeti, P. N., Filippas, A. V., Froyd, J. E., Garmire, D., George, J., Gilchrist, B. E., Hohner, G. S., Hughes, W. L., Johnson, A., Kim, C., Kim, H., Klenke, R. H., Lagoudas, M. Z., Llewellyn, D. C., Lu, Y., Lybarger, K. J., Marshall, S., Muralidharan, S., Ohta, A. T., Ortega, F. R., Riskin, E. A., Rizzo, D. M., Ryder, C. R., Shiroma, W. A., Siller, T. J., Sonnenberg-Klein, J., Sadjadi, S. M., Strachan, S. M., Taheri, M., Woods, G. L., Zoltowski, C. B., Fabien, B. C., Johnson, P., Collins, R., and Murray, P. (2017). Vertically Integrated Projects (VIP) Programs: Multidisciplinary Projects with Homes in Any Discipline In ASEE Annual Conference & Exposition, Columbus, Ohio. June 2017.

Williams, A. S.* and Ortega, F. R. (2020). Evolutionary gestures: when a gesture is not quite legacy biased. (2020). In Interactions 27, 5 (September - October 2020), 50–53.

Steed, A., Ortega, F. R., Williams, A. S.*, Kruijff, E., Stuerzlinger, W., Batmaz, A. U., Won, A.S., Rosenberg, E.S., Simeone, A.L., and Hayes, A. (2020). Evaluating immersive experiences during Covid-19 and beyond. In Interactions 27, 4 (July - August 2020), 62–67.

Spencer, C. A., Wickens, C. D., Nicoly, J. B.†, Crum, J., Clegg, B. A., Lewis, J. E., Ortega, F. R., Plabst, L.*, Pharmer, R. L.*, Hirshfield, L. (2026). Leveraging fNIRS to Evaluate Workload for Adaptive Training in Virtual Reality. arXiv.

Taylor, A., Tanjim, T., Cao, H., Nicoly, J. B., Segal, J. I.†, George, J. S., Kim, S., Ching, k., Ortega, F. R., and Lee, H. R. (2025). Co-Designing Augmented Reality Tools for High-Stakes Clinical Teamwork.

Borhani, Z.*, Ebrahimpour-Boroojeny, A., and Ortega, F. R. (2025). Small Cues, Big Differences: Evaluating Interaction and Presentation for Annotation Retrieval in AR.

Pharmer, R. L.*, Wickens, C. D., Plabst, L.*, Clegg, B. A., Hirshfield, L. M. Lewis, J. E., Nicoly, J. B., Spencer, C. A., Ortega F. R. (2025). The Impact of Simple, Brief, and Adaptive Instructions within Virtual Reality Training: Components of Cognitive Load Theory in an Assembly Task.

Clegg, B. A., Karduna, A.*, Holen, E.*, Garcia, J.*, Rhodes, M. G., Ortega, F. R. (2024). Multimedia and immersive training materials influence impressions of learning but not learning outcomes. arXiv.

Johnson, S., Collins, S.-A., Rice, M., Masters, R.*, Hofecker, J., Rivera, J., Schreiber, D.*, Scott, E., Interrante, V., Ortega, F. R., Davalos, D., & LoTemplio, S. (2024). Aging Outdoors: Understanding How Nature Contact Influences Younger and Older Adults' Executive Functioning, Heart Rate Variability, and Affect. Authorea.

Ozer, E., D’Souza, N., Vieira, E., Ortega, F. R. (2019). An Underline for the Underserved: A Pilot Study to Explore Simulation Research for Sustainable Aging Around Miami’s Metrorail. In Sustainable Urban Environments: Research, Design and Planning for the Next 50 Years. EDRA.

Ortega, F. R., Beveridge, J. (2021). Communication through Gestures, Expression and Shared Perception. DTIC Technical Report AD1204178.

Radu, I., Southgate, E., Ortega, F. R., Smith, S. (2017). Summary: 2017 IEEE Virtual Reality Second Workshop on K-12 Embodied Learning through Virtual & Augmented Reality (KELVAR). IEEE VR 2017 Workshops.

Ortega, F. R., Calella, J., Rishe, N., & Iyengar, S. S. (2021). Three dimensional touch conductive fabric. US Patent 10,908,745.

Ortega, F. R., Rishe, N., & Barreto, A. (2020). Wearable device and methods of using the same. US Patent 10,806,375.

Ortega, F. R., Rishe, N., & Barreto, A. (2018). Gesture discernment and processing system. US Patent 9,886,190.

Barreto, A., Rishe, N., Ortega, F. R., & O-larnnithipong, N. (2018). VRT: virtual round table. US Patent 9,900,555.

ARtisan Bistro. AR application for researchers to test different experiment conditions (e.g., notifications, interaction). Presented as a demo at IEEE ISMAR. Released 2023.

Virtual Reality Soccer for Concussion TestBed. An application for testing baseline and concussed athletes. Presented as a demo at IEEE VR. Released 2023.