Research Interests:

Visualization and Computer Graphics (1987-present)
Video Processing and Visualization (2003-present)
Aspects of Image Analysis and Computer Vision (2003-present)
Interactive Techniques and Multimedia Communications (1996-present)
Computer-Aided Engineering (1984-1992)

Teaching at Oxford:

Visual Analytics 2013-2014 ( resource page )

Major Services:

Papers co-chair of IEEE VAST 2014
Conference co-chair of EuroVis 2014
Papers co-chair of Eurographics 2011
Papers co-chair of IEEE Visualization 2007 and 2008
Associate editor-in-chief of IEEE Transactions on Visualization and Computer Graphics (2011-2014)
Associate editor of Elsevier Computers & Graphics
Co-director of Wales Research Institute of Visual Computing (2009-2011)
Co-director of Centre for Communication and Software Technologies, one of 18 CETICs (2002-2009)
Deputy head and acting head of Swansea Computer Science (2009/10, 2010/11)

What is visualization really for?   RIVIC Graduate School, Bangor , June 2013. (50min)  Slides , Notes.

Other talks on this topic:   UiTM, Malaysia  (Sept. 2013, 60min) , ITRC Workshop, Oxford  (May 2013, 15min),  University of Maryland  (Apr. 2013, 50min) , St Annes College, Oxford  (Feb. 2013, 50min);  University of Utah  (Oct. 2012, 50min);  DH Briefing, Oxford  (May 2012, 25min);  Space Workshop, Harwell  (Jan. 2011, 15min).

An information-theoretic framework for visualization ,  VisWeek,  October 2010. (18min) Slides,   Fast Forward Slides .

Other talks on this topic :  OASIS, Oxford  (Nov. 2012, 50min);  Swansea  (March 2011, 50min) , University of Utah  (Oct. 2010, 40min);  Purdue University  (May 2010, 50min).

M. Chen, A. Trefethen, R. Banares-Alcantara, M. Jirotka, B. Coecke, T. Ertl and A. Schmidt, From data analysis and visualization to causality discovery ,  IEEE Computer , 44(10):84-87, 2011.  DOI

Keywords:  causality discovery technology, visual analytics, levels of causality reasoning, workflow for causality discovery.
Questions:  Can we develop a causality discovery technology, and what will be the role of visual analysis in such a technology?

M. Chen and H. Jaenicke,  An Information-theoretic Framework for Visualization ,  IEEE Transactions on Visualization and Computer Graphics , 16(6):1206-1215, 2010.  DOI ,  VisWeek slides (4.6M) .

Keywords:  theory of visualization, information theory, data processing inequality, quantitative evaluation .
Question:  Can information theory explain phenomena or events in visualization?

M. Chen, D. Ebert, H. Hagen, R. S. Laramee, R. van Liere, K.-L. Ma, W. Ribarsky, G. Scheuermann and D. Silver,  Data, Information and Knowledge in Visualization ,  IEEE Computer Graphics and Applications , 29(1):12-19, 2009.  DOI ,  Download  PDF (0.2M)

Keywords:  definitions, knowledge-assisted visualization, information-assisted visualization.
Questions:  Is visualization a search problem? Will interaction scale with increasing data size? Should visualization evolve from interactive to knowledge-assisted visualization?

R. P. Botchen, S. Bachthaler, F. Schick, M. Chen, G. Mori, D. Weiskopf and T. Ertl,  Action-based multi-field video visualization ,  IEEE Transactions on Visualization and Computer Graphics , 14(4):885-899, 2008.  DOI

Keywords:  video visualization, VideoPerpetuoGram (VPG).
Question:  Can videos be visualized in a way similar to ECGs and seismographs?

O. Gilson, N. Silva, P.W. Grant and M. Chen,  From web data to visualization via ontology mapping ,  Computer Graphics Forum , 27(3):959-966, 2008. Best Paper Award in EuroVis2008, Eindhoven.  DOI ,  PDF (1M)

Keywords:  ontology, automated visualization.
Question:  Is automatic generation of visualizations from domain-specific data feasible?

D. Hubball, M. Chen and P. W. Grant,  Image-based aging using evolutionary computing , Computer Graphics Forum , 27(2):607-616, 2008.  DOI ,  PDF (0.5M)

Keywords:  aging simulation, facial age progression, genetic programming, data-driven.
Question:  Can we simulate facial aging in a person-specific manner?

M. Chen, R.P. Botchen, R.R. Hashim, D. Weiskopf, T. Ertl and I.M. Thornton,  Visual signatures in video visualization ,  IEEE Transactions on Visualization and Computer Graphics , 12(5):1093-1100, 2006.  DOI

Keywords:  video visualization, visual signature, user study.
Question:  Can ordinary people learn to recognise visual signatures in video visualization?

C. Correa, D. Silver and M. Chen,  Feature aligned volume manipulation for illustration and visualization ,  IEEE Transactions on Visualization and Computer Graphics , 12(5):1069-1076, 2006.  DOI

Keywords:  illustrative visualization, interactive manipulation, volume deformation, GPU
Question:  How to deform volumetric models according to features?

A. Abdul-Rahman and M. Chen,  Spectral volume rendering based on the Kubelka-Munk theory ,  Computer Graphics Forum , 24(3), 2005, and presented in  Eurographics 2005 .  DOI

Keywords:  volume rendering integral, Kubelka-Munk theory, spectral rendering.
Question:  Does Kubelka-Munk theory offer a better volume rendering integral?

G.W. Daniel and M. Chen,  Video visualization ,  Proc. IEEE Visualization 2003,  409-416, Seattle, WA, October 2003.  PDF (10M)

Keywords:  video visualization, metrics for change detection and image comparison, horse-shoe visual design.
Question:  Can we use a single image to visualize a video?

S. Treavett and M. Chen,  Pen-and-Ink rendering in volume visualization ,  Proc. IEEE Visualization 2000 , Salt Lake City, Utah, Ertl, Hamann and Varshney (eds.), 203-209, IEEE Computer Society, October, 2000.  PDF (450K)

Keywords:  non-photorealistic rendering (NPR), illustrative visualization, volume visualization.
Question:  How to create an illustrative volume visualization using NPR?

M. Chen and J. V. Tucker,  Constructive volume geometry ,  Computer Graphics Forum , 19(4):281-293, 2000.  DOI ,  PDF (450K) . See also  vg.swan.ac.uk

Keywords:  theoretic framework of multi-field volume rendering, volume scene graph, constructive volume geometry (CVG).
Question:  How to model and render multiple volumes (scalar fields) in a constructive manner?