Visualization Research Group

Yingjie Chen's picture

Yingjie Victor Chen

Personal website:

Purdue Intelligent Visualization and Interaction Lab:

Biography:Yingjie Victor Chen is an Associate Professor of Computer Graphics Technology. Aiming to augment human cognition to help users explore and utilize the digital world, Dr. Chen’s research bridges multiple HCI domains to discover novice interactions and visualizations supporting users’ reasoning, problem-solving, learning, and decision making. He received his Ph.D. and master's degree in Information Technology from Simon Fraser University, Canada. He has a Bachelor's degree in Engineering from Tsinghua University, China.

Research keywords: Information visualization, Human-computer interaction, Visual Analytics, Virtual Reality

Tim McGraw's picture

Tim McGraw

Personal website:

Biomedical Imaging & Graphics (BIG) Lab:

Biography: Tim McGraw is an Associate Professor of Computer Graphics Technology. His areas of interest are virtual reality, scientific visualization, real-time computer graphics, medical image processing and computational art. Specific projects include modeling and mesh editing in VR, diffusion tensor MRI (DT-MRI) visualization, and mesh processing. He was awarded 4 patents related to DT-MRI visualization projects performed with Siemens Corporate Research. He has previous industry experience as a mechanical engineer and as a game developer (Electronic Arts, Schell Games, Rainbow Studios). He received his Ph.D. in Computer and Information Science and Engineering from the University of Florida.

Research keywords: scientific visualization, tensor fields, vector fields, medical images, virtual reality

Vetria Byrd's picture

Vetria L. Byrd

Personal website:

Byrd Data Vis Lab:

Biography: Vetria Byrd is an assistant professor of Computer Graphics Technology. Her research is in the areas of data visualization pedagogy, visualization of heterogeneous data and the utilization of data visualization and data science to advance the study, detection and diagnosis of systemic lupus erythematosus (aka, lupus). She holds advanced degrees from The University of Alabama at Birmingham: PhD in computer science, master’s degrees in biomedical engineering and computer science and a BS in Computer Science. She is the founder and organizer of BPViz: Broadening Participation in Visualization Workshops (@BPViz), a Superhero of Science ( ) and an “Agent of Insight.”

Research keywords: information visualization, data science, data visualization pedagogy, data visualization capacity, data visualization literacy, broadening participation

Paul Parsons' picture

Paul C. Parsons

Personal website:

Design, Visualization, & Cognition (DVC) Lab:

Biography: Paul Parsons is an assistant professor of Computer Graphics Technology. His research is in the area of human-computer interaction, with a focus on the design and use of interactive visualization interfaces. His lab is currently researching 3 main topics: i) data visualization design practice; ii) cognitive aspects of visualization use; and iii) user experience for scientific cyberinfrastructure. He does some research in other areas, including design education and learning technologies. He holds a PhD in computer science (University of Western Ontario, 2013) and a BS in computing and cognitive science (Queen’s University at Kingston, 2007).

Research keywords: design practice, design cognition, visual reasoning, cognitive systems, user experience

Recent Publications

  1. Parsons, P. (2021). Understanding Data Visualization Design Practice. IEEE Transactions on Visualization and Computer Graphics, (Proc. IEEE VIS ’21). 10.1109/TVCG.2021.3114959. [PDF]
  2. Byrd, V. & Dwenger, N. (2021), "Activity Worksheets for Teaching and Learning Data Visualization," in IEEE Computer Graphics and Applications,
  3. Byrd, V. L. (2021), Innovative Pedagogy for Teaching and Learning Data Visualization Paper presented at 2021 ASEE Virtual Annual Conference Content Access, Virtual Conference.
  4. Zhao, J., Liu, X., Chen, G., Qian, Z. Y., & Chen, Y. V. (2021). Phoenixmap: An Abstract Approach to Visualize 2D Spatial Distributions. Transactions on Visualization and Computer Graphics, 27(03), 2000-2014. doi: 10.1109/TVCG.2019.2945960
  5. Byrd V.L. (2021) Using Dear Data Project to Introduce Data Literacy and Information Literacy to Undergraduates. In: Arabnia H.R., Deligiannidis L., Tinetti F.G., Tran QN. (eds) Advances in Software Engineering, Education, and e-Learning. Transactions on Computational Science and Computational Intelligence. Springer, Cham.
  6. Parsons, P. Gray, C. M., Baigelenov, A., & Carr, I. (2020). Design Judgment in Data Visualization Practice. IEEE Visualization Conference (IEEE VIS ’20). 10.1109/VIS47514.2020.00042. [PDF]
  7. Parsons, P., & Shukla, P. (2020). Data Visualization Practitioners’ Perspectives on Chartjunk. IEEE Visualization Conference (IEEE VIS ’20). 10.1109/VIS47514.2020.00049. [PDF]
  8. McGraw, T., High-quality real-time raycasting and raytracing of streamtubes with sparse voxel octrees. IEEE Visualization, 2020.
  9. Zheng, A., & Byrd, V. L. (2020, October). Students’ Perception of a Method for Identifying Topics for Research Questions. In 2020 IEEE Frontiers in Education Conference (FIE) (pp. 1-8). IEEE.
  10. Kanter, N. R., & Byrd, V. L. (2020, October). A Method for Transforming a Broad Topic to a Focused Topic for Developing Research Questions. In 2020 IEEE Frontiers in Education Conference (FIE) (pp. 1-7). IEEE.
  11. Tang, H., Wei, S., Zhou, Z., Qian, Z. Y., & Chen, Y. V. (2019). TreeRoses: Outlier-Centric Monitoring and Analysis of Periodic Time Series Data. Journal of Visualization. Published.
  12. Parsons, P. (2018). Conceptual Metaphor Theory as a Foundation of Communicative Visualization Design. IEEE VIS Workshop of Visualization for Communication (VisComm). Berlin, Germany. [PDF]
  13. Parsons, P. (2018). Promoting Representational Fluency for Cognitive Bias Mitigation in Information Visualization. In: Ellis, Geoffrey (Ed.): Cognitive Biases in Visualizations, pp. 137–147. [PDF]
  14. Li, M.G*, Wu, W.G, Zhao, J.G, Perkis, D., Bond, T. N., Mumford, K., Hummels, D. L., & Chen, Y. V. (2018). CareerVis: Hierarchical Visualization of Career Pathway Data. IEEE Computer Graphics and Applications, 38(6), 96-105.
  15. Chen, Y., Huynh, W., McGraw, T., Qian, Z., and Hassan, R., Unobtrusive touch‐free interaction on mobile devices in dirty working environments. Human Factors and Ergonomics in Manufacturing & Service Industries 28, no. 5, 250-259, 2018.
  16. McGraw, T., Guayaquil-Sosa, A., Hybrid Rendering for Medical Image Atlas Visualization, Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization, 2017.
  17. Zheng, H., Adamo-Villano, N., McGraw, T., Griggs, R.,  Using Computer Animation for Emergency Medicine Education. International Journal of Technology Enhanced Learning, 2017
  18. Promann, M., Wei, S., Qian, C.Z., and Y.V. Chen (2016), "The Role of Aesthetics and Perception in Raising Situation Awareness: Lessons from SpringRain", International Journal of Human-Computer Interaction (IJHCI),  DOI: 10.1080/10447318.2016.1140951
  19. Herring, D., McGraw, T., Inter-color NPR Lines: A Comparison of Rendering Techniques. The Computer Games Journal, 5(1), 39-53, 2016.

  20. Byrd, V. L. (2021), "Innovative Pedagogy for Teaching and Learning Data Visualization," In Proceedings of 2021 ASEE Virtual Annual Conference

  21. Byrd, V. L. & Camba, J. D. (2020, October), "A Worksheet Method for Developing Research Questions: An Examination of Three Graduate Student Cohorts," In Proceedings of 2020 IEEE Frontiers in Education (FIE) Conference, 1 - 7.

  22. Byrd, V. L. & Asunda, P. (2020, October), "Using Evidence Based Practices and Learning to Enhance Critical Thinking Skills in Students Through Data Visualization," In Proceedings of American Society for Engineering Education (ASEE

  23. Byrd, V. (2019), "Using Bloom's Taxonomy to Support Data Visualization Capacity Skills," [Best Paper Award],  In Proceedings of E-Learn: World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education, 1039 - 1053. New Orleans, Louisiana, United States: Association for the Advancement of Computing in Education (AACE).

  24. Vieira, C., Parsons, P., & Byrd, V. (2018), "Visual learning analytics of educational data: a systematic literature review and research agenda," Computers & Education, 122, 119-135. 

  25. Byrd, V. L., & Vieira, C. (2017, June), "Visualization: a conduit for collaborative undergraduate research experiences," In Proceedings of American Society for Engineering Education (ASEE)

  26. Barvo, E. G., Burbano, A., Byrd, V. L., & Forbes, A. G. (2017), "The Interactive Image: A media archaeology approach," Leonardo 50 (4), 368-375.

  27. Byrd, V. (2018), "Special Snapshot Section: Making a Case for Data Visualization at the Undergraduate Level," Journal of Purdue Undergraduate Research, 8(1), 26.

  28. Periasamy, P. & Byrd, V. L. (2019, July), "Generative adversarial networks for lupus diagnostics," PEARC '19: Proceedings of the Practice and Experience in Advanced Research Computing on Rise of the Machine (Learning), 104, 1-8.

  29. Byrd, V. L. (2019), "Facilitating Deep Learning Through Vertical Integration Between Data Visualization Courses Within an Undergraduate Data Visualization Curriculum," International Conference on Human-Computer Interaction, 193-201.

  30. Byrd, V., & Camba, J.D. (2020, June), "Design Activity Worksheets for Developing Research Questions," In Proceedings of American Society for Engineering Education (ASEE),

  31. Bosman, L., Madamanchi, A., Bartholomew, S., & Byrd, V. (2020), "Applying Artificial Intelligence to the Beer Game," In Proceedings of American Society for Engineering Education (ASEE) Virtual Conference. Best Paper.

  32. Santana, V., Bartholomew, S., Rowe, W., Byrd, V., Strimel, G., & Han, K. (2020), "SMART buoys: integrating data visualization and design to reduce ocean-life casualties," Technology and Engineering Teacher, 79 (8), 19-23.

  33. Bartholomew, S., Strimel, G., Byrd, V., Santana, V., Otto, J., Laureano, Z., & Derome, B. (2020), "Using data to improve precision in crop fertilization through digital agriculture," Technology and Engineering Teacher, 79 (7), 32-36.

Recent Funding

  1. Byrd (2021). HDR Institute: Geospatial Institute for Digital Innovation to Enhance Resilience and Sustainability, October 1, 2021 - September 30, 2026, Total Award Amount: $15M; Sub-award to Purdue: $2.5M; Byrd Amount: $294,000. NSF Award #2118329, [Announcement]

Recent Awards

  1. Tim McGraw, Michael Eddy, First place in the 2021 IEEE SciVis Contest, “Hybrid rendering for interactive visualization of mantle convection”
  2. Zuotian Li, Honorable Mention for Effective Visual Design and Academic Outreach, IEEE VAST Challenge 2021, “CloudAnnotator: Clustering and Annotating Streaming Text Data”
  3. Prince Owusu Attah, Award for Effectively Transforming Task Decomposition into Conceptual Design, IEEE VAST Challenge 2020

Recent Projects

  1. Career Mapping Visualization System -