Visualization and GraphicsInteractionDept ICSFaculty of ScienceUU

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I hold an appointment as full professor in Visual Data Analytics at the Department of Information and Computing Sciences, Utrecht University, where I lead the Visualization and Graphics group. I was full professor of Multiscale Visual Analytics, SVCG group, Bernoulli Institute, Faculty of Science and Engineering, University of Groningen.

Research focus

  • information visualization and visual analytics (techniques, system design)
  • big data multiscale visualization (hierarchies, graphs, trail sets)
  • visualization for AI (dimensionality reduction, explaining machine learning)
  • shape/image processing (skeletonization, segmentation, fairing, reconstruction)
  • interactive systems design (interaction and animation for data exploration)
  • scientific visualization (GPU-based and PDE-based visualization techniques)
  • program analysis (software visualization, fact extraction, software evolution)

Publications
Google Scholar profile

The Book: Data Visualization - Principles and Practice

My book gives a practical introduction to data visualization. It targets (under)graduate students and professionals interested in designing and implementing visualization applications to explore big data. Topics covered: scalar, vector, tensor, image, volume, and information visualization. Published by AK Peters/CRC Press/Routledge.

First edition: 2008. Second edition: 2014. Chinese edition: 2018. Over 5000 copies sold (2018).

New in the 2nd edition: C/C++ code samples, exam questions, projects, datasets, and ParaView scenarios.

Teaching

Below are the main courses I deliver or have delivered (full details here):

  • Visual analytics for big data
  • Scientific visualization
  • Multimedia retrieval
  • Software maintenance and evolution
  • Computer graphics
  • Software quality assurance and testing

PhD and MSc Students

I supervise(d) around 30 PhD students as thesis director (information and links to theses here).
I have supervised 80+ MSc students as thesis director (selected theses here).

PhD Research

My PhD research (2000) was on the design and implementation of VISSION, an application-building environment for VIsualization and SImulation with Object-oriented Networks. VISSION proved - relevant at the time, and likely now too - that all one can achieve in Java can also be done in C++, only better, cleaner, faster, and easier.

Research valorization

My work led to a (>2M EUR turnover) start-up company (SolidSource BV) specialized in tools and services for the visual analysis of big data for industry-scale software maintenance.