Haichao Miao, Elisa De Llano, Johannes Sorger, Yasaman Ahmadi, Tadija Kekic, Tobias Isenberg, Meister Eduard Gröller, Ivan Barisic, Ivan Viola
Multiscale Visualization and Scale-adaptive Modification of DNA Nanostructures
IEEE Transactions on Visualization and Computer Graphics, 24(1), January 2018. [paper]

Johannes Sorger, Peter Mindek, Peter Rautek, Meister Eduard Gröller, Graham Johnson, Ivan Viola
Metamorphers: Storytelling Templates For Illustrative Animated Transitions in Molecular Visualization
In Proceedings of the Spring Conference on Computer Graphics 2017, pages 27-36. May 2017.
[paper] [teaser] [video]

Peter Mindek, Johannes Sorger, David Kouřil, Tobias Klein, Graham Johnson, Ivan Viola
The Birth of a Virtual Cell
submitted to the Pacific Vis 2017 Storytelling Contest

Peter Mindek, David Kouřil, Johannes Sorger, David Toloudis, Blair Lyons, Graham Johnson, Meister Eduard Gröller, Ivan Viola
Visualization Multi-Pipeline for Communicating Biology
IEEE Transactions on Visualization and Computer Graphics, 24(1), 2017. [Paper] [Preview]

Nicholas Waldin, Manuela Waldner, Ivan Viola
Flicker Observer Effect: Guiding Attention Through High Frequency Flicker in Images
Computer Graphics Forum, (), 2017.

Tobias Klein, Ludovic Autin, Barbora Kozlikova, David Goodsell, Arthur Olson, Meister Eduard Gröller, Ivan Viola
Instant Construction and Visualization of Crowded Biological Environments
IEEE Transactions on Visualization and Computer Graphics, (), 2017. [paper]

Johannes Sorger, Peter Mindek, Tobias Klein, Graham Johnson, Ivan Viola
Illustrative Transitions in Molecular Visualization via Forward and Inverse Abstraction Transform
In Eurographics Workshop on Visual Computing for Biology and Medicine (VCBM), pages 21-30. September 2016.
[paper] [video]

Matthias Bernhard, Manuela Waldner, Pascal Plank, Veronika Šoltészová, Ivan Viola
The Accuracy of Gauge-Figure Tasks in Monoscopic and Stereo Displays
IEEE Computer Graphics and Applications, 36(4):56-66, July 2016.

Jan Byska, Mathieu Le Muzic, Meister Eduard Gröller, Ivan Viola, Barbora Kozlikova
AnimoAminoMiner: Exploration of Protein Tunnels and their Properties in Molecular Dynamics
IEEE Transactions on Visualization and Computer Graphics, 22(1):747-756, January 2016. [Paper]

Michael Krone, Barbora Kozlikova, Norbert Lindow, Marc Baaden, Daniel Baum, Julius Parulek, Hans-Christian Hege, Ivan Viola
Visual Analysis of Biomolecular Cavities: State of the Art
Computer Graphics Forum, 35(3):527-551, 2016. [paper]

Mathieu Le Muzic, Peter Mindek, Johannes Sorger, Ludovic Autin, David Goodsell, Ivan Viola
Visibility Equalizer: Cutaway Visualization of Mesoscopic Biological Models
Computer Graphics Forum, 35(3), 2016. [Paper] [Slides]

Matthias Reisacher, Mathieu Le Muzic, Ivan Viola
CellPathway: A Simulation Tool for Illustrative Visualization of Biochemical Networks
In Proceedings of WSCG. 2016.
[paper]

Veronika Solteszova, Åsmund Birkeland, Sergej Stoppel, Ivan Viola, Stefan Bruckner
Output-Sensitive Filtering of Streaming Volume Data
Computer Graphics Forum, 35(), 2016. [paper]

Viktor Vad, Douglas Cedrim, Wolfgang Busch, Peter Filzmoser, Ivan Viola
Generalized box-plot for root growth ensembles
BMC Bioinformatics, (), 2016.

Nicholas Waldin, Matthias Bernhard, Ivan Viola
Personalized 2D color maps
Computers & Graphics, 59():143-150, 2016.

Ivan Viola
Effective Visual Representations
Supervisor:
Duration:
[thesis]

Nicholas Waldin, Mathieu Le Muzic, Manuela Waldner, Meister Eduard Gröller, David Goodsell, Ludovic Autin, Ivan Viola
Chameleon Dynamic Color Mapping for Multi-Scale Structural Biology Models
In Eurographics Workshop on Visual Computing for Biology and Medicine. 2016.

Nicholas Waldin, Matthias Bernhard, Peter Rautek, Ivan Viola
Individualization of 2D Color Maps for People with Color Vision Deficiencies
In Proceedings of the 32Nd Spring Conference on Computer Graphics. 2016.
[]

Daniel Cornel, Artem Konev, Berhard Sadransky, Zsolt Horvath, Andrea Brambilla, Ivan Viola, Jürgen Waser
Composite Flow Maps
Computer Graphics Forum, 35(3):461-470, 2016. [paper]

Mathieu Le Muzic, Ludovic Autin, Julius Parulek, Ivan Viola
cellVIEW: a Tool for Illustrative and Multi-Scale Rendering of Large Biomolecular Datasets
In Eurographics Workshop on Visual Computing for Biology and Medicine, pages 61-70. September 2015.
[] [paper]

Jan Byska, Adam Jurcik, Meister Eduard Gröller, Ivan Viola, Barbora Kozlikova
MoleCollar and Tunnel Heat Map Visualizations for Conveying Spatio-Temporo-Chemical Properties Across and Along Protein Voids
Computer Graphics Forum, 3(34):1-10, May 2015. [Paper]

Barbora Kozlikova, Michael Krone, Norbert Lindow, Martin Falk, Marc Baaden, Daniel Baum, Ivan Viola, Julius Parulek, Hans-Christian Hege
Visualization of Biomolecular Structures: State of the Art
In Eurographics Conference on Visualization (EuroVis) - STARs, pages 061-081. May 2015.
[Paper]

Mathieu Le Muzic, Manuela Waldner, Julius Parulek, Ivan Viola
Illustrative Timelapse: A Technique for Illustrative Visualization of Particle Simulations on the Mesoscale Level
In Visualization Symposium (PacificVis), 2015 IEEE Pacific, pages 247-254. April 2015.
[paper] [screenshot]

Peter Mindek, Ladislav Čmolík, Ivan Viola, Meister Eduard Gröller, Stefan Bruckner
Automatized Summarization of Multiplayer Games
In Proceedings of Spring Conference on Computer Graphics 2015, pages 93-100. April 2015.
[Paper] [Slides]

Manuela Waldner, Mathieu Le Muzic, Matthias Bernhard, Werner Purgathofer, Ivan Viola
Attractive Flicker: Guiding Attention in Dynamic Narrative Visualizations
IEEE Transactions on Visualization and Computer Graphics, 20(12):2456-2465, December 2014. [paper] [Preview video] [Submission video]

Åsmund Birkeland, Cagatay Turkay, Ivan Viola
Perceptually Uniform Motion Space
IEEE Transactions on Visualization and Computer Graphics, 20(11):1542-1554, November 2014.

Ivan Kolesár, Julius Parulek, Ivan Viola, Stefan Bruckner, Anne-Kristin Stavrum, Helwig Hauser
Interactively illustrating polymerization using three-level model fusion
BMC Bioinformatics 2014, 15(345):1-16, October 2014.

Manuela Waldner, Stefan Bruckner, Ivan Viola
Graphical Histories of Information Foraging
In Proceedings of the 8th Nordic Conference on Human-Computer Interaction: Fun, Fast, Foundational , pages 295-304. October 2014.
[paper]

Veronika Šoltészová, Åsmund Birkeland, Ivan Viola, Stefan Bruckner
Visibility-Driven Processing of Streaming Volume Data
In Proceedings of EG VCBM 2014, pages 127-136. September 2014.
[Media Player] [Paper]

Markus Müller, Linn E. S. Helljesen, Raphael Prevost, Ivan Viola, Kim Nylund, Odd Helge Gilja, Nassir Navab, Wolfgang Wein
Deriving Anatomical Context from 4D Ultrasound
In Proceedings of EG VCBM14, pages 173-180. September 2014.
[Paper]

Åsmund Birkeland, Veronika Šoltészová, Dieter Hönigmann, Odd Helge Gilja, Svein Brekke, Timo Ropinski, Ivan Viola
The Ultrasound Visualization Pipeline
In Scientific Visualization, pages 283-303, September 2014 [paper]

Ivan Kolesár, Julius Parulek, Ivan Viola, Stefan Bruckner, Anne-Kristin Stavrum, Helwig Hauser
Illustrating Polymerization using Three-level Model Fusion
In Proceedings of IEEE BioVis 2014, pages 1-22. July 2014.

Mathieu Le Muzic, Julius Parulek, Anne-Kristin Stavrum, Ivan Viola
Illustrative Visualization of Molecular Reactions using Omniscient Intelligence and Passive Agents
Computer Graphics Forum, 33(3):141-150, June 2014. [paper] [video]

Julius Parulek, Daniel Jönsson, Timo Ropinski, Stefan Bruckner, Anders Ynnerman, Ivan Viola
Continuous Levels-of-Detail and Visual Abstraction for Seamless Molecular Visualization
Computer Graphics Forum, 33(6):276-287, May 2014.

Mathieu Le Muzic, Julius Parulek, Manuela Waldner, Ivan Viola
Illustrative Visualization of Biochemical Processes Featuring Multiple Temporal Scales
Poster shown at Eurographics Workshop on Visual Computing for Biology (2014-09-04-2014-09-05) In . 2014.

Julius Parulek, Cagatay Turkay, Nathalie Reuter, Ivan Viola
Visual cavity analysis in molecular simulations
BMC Bioinformatics, 14(Suppl 19:S4 ):1-15, November 2013. [Paper]

Julius Parulek, Timo Ropinski, Ivan Viola
Importance Driven Visualization of Molecular Surfaces
Poster shown at 3rd IEEE Symposium on Biological Data Visualization (2013-10-13-2013-10-14) In . October 2013.
[Poster]

Endre M. Lidal, Mattia Natali, Daniel Patel, Helwig Hauser, Ivan Viola
Geological storytelling
Computer & Graphics, 37(5):445-459, August 2013.

Endre M. Lidal, Morten Bendiksen, Daniel Patel, Ivan Viola
Rapid Sketch-based 3D Modeling of Geology
In Proceedings of EnvirVis Short Papers 2013, 2013, pages 1-5. June 2013.
[Paper]

Tyge Løvset, Dag Magne Ulvang, Tor Christian Bekkvik, Kåre Villanger, Ivan Viola
Rule-based method for automatic scaffold assembly from 3D building models
Computer & Graphics, 37(4):256-268, June 2013.

Ivan Viola, Åsmund Birkeland, Veronika Šoltészová, Linn Helljesen, Helwig Hauser, Spiros Kotopoulis, Kim Nylund, Dag Magne Ulvang, Ola Kristoffer Øye, Trygve Hausken, Odd Helge Gilja
High-Quality 3D Visualization of In-Situ Ultrasonography
In EG 2013 - Dirk Bartz Prize, pages 1-4. May 2013.
[Paper]

Mattia Natali, Endre M. Lidal, Julius Parulek, Ivan Viola, Daniel Patel
Modeling Terrains and Subsurface Geology
In INPROCEEDINGS, EuroGraphics 2013 State of the Art Reports (STARs), 2013, pages 155-173. May 2013.
[Paper]

Åsmund Birkeland, Dag Magne Ulvang, Kim Nylund, Trygve Hausken, Odd Helge Gilja, Ivan Viola
Doppler-based 3D Blood Flow Imaging and Visualization
In SCCG 2013 - 29th Proceedings Spring conference on Computer Graphics, pages 128-135. May 2013.
[Paper]

Julius Parulek, Timo Ropinski, Ivan Viola
Seamless Visual Abstraction of Molecular Surfaces
In SCCG 2013 - 29th Proceedings Spring conference on Computer Graphics, pages 120-127. May 2013.
[Paper]

Aleksandra Anna Sima, Xavier Bonaventura, Miquel Feixas, Mateu Sbert, John Anthony Howell, Ivan Viola, Simon John Buckley
Computer-aided image geometry analysis and subset selection for optimizing texture quality in photorealistic models
Computers & Geosciences, 52():281-291, March 2013.

Ivan Viola
Declarative Visualization, 2013-05-02-, Smolenice castle, Slovakia
[Paper]

Åsmund Birkeland, Stefan Bruckner, Andrea Brambilla, Ivan Viola
Illustrative Membrane Clipping
Computer Graphics Forum, 31(3):905-914, June 2012. [Paper]

Steven Ford, Gabriel Kiss, Ivan Viola, Stefan Bruckner, Hans Torp
HeartPad: Real-Time Visual Guidance for Cardiac Ultrasound
In Proceedings of the Workshop at SIGGRAPH Asia 2012. 2012.
[Paper]

Veronika Šoltészová, Daniel Patel, Stefan Bruckner, Ivan Viola
A Multidirectional Occlusion Shading Model for Direct Volume Rendering
Computer Graphics Forum, 29(3):883-891, June 2010. [Paper]

Jean-Paul Balabanian, Ivan Viola, Meister Eduard Gröller
Interactive Illustrative Visualization of Hierarchical Volume Data
In Proceedings of Graphics Interface 2010, pages 137-144. June 2010.
[Paper]

Daniel Patel, Stefan Bruckner, Ivan Viola, Meister Eduard Gröller
Seismic Volume Visualization for Horizon Extraction
In Proceedings of IEEE Pacific Visualization 2010, pages 73-80. March 2010.
[Paper]

Stefan Bruckner, Peter Rautek, Ivan Viola, Mike Roberts, Mario Costa Sousa, Meister Eduard Gröller
Hybrid Visibility Compositing and Masking for Illustrative Rendering
Computers & Graphics, (34):361-369, 2010. [Preprint]

Jean-Paul Balabanian, Martin Ystad, Ivan Viola, Arvid Lundervold, Helwig Hauser, Meister Eduard Gröller
Hierarchical Volume Visualization of Brain Anatomy
In VMV 2008, Vision, Modeling and Visualization, pages 313-322. October 2008.
[image] [paper]

Jean-Paul Balabanian, Ivan Viola, Torsten Möller, Meister Eduard Gröller
Temporal Styles for Time-Varying Volume Data
Poster shown at (2008-06-18-2008-06-20) In Proceedings of 3DPVT, pages 81-89. June 2008.
[image] [paper]

Peter Rautek, Stefan Bruckner, Meister Eduard Gröller, Ivan Viola
Illustrative Visualization – New Technology or Useless Tautology?
online journal, without talk

Marc Ruiz, Ivan Viola, Imma Boada, Stefan Bruckner, Miquel Feixas, Mateu Sbert
Similarity-based Exploded Views
In Proceedings of Smart Graphics 2008, pages 154-165. 2008.
[Paper]

Peter Rautek, Ivan Viola
Visual Abstractions and Interaction Metaphors for Knowledge Assisted Volume Visualization

[paper]

Marc Ruiz, Imma Boada, Ivan Viola, Stefan Bruckner, Miquel Feixas, Mateu Sbert
Obscurance-based Volume Rendering Framework
In Proceedings of Volume Graphics 2008. 2008.
[Paper]

Ivan Viola, Meister Eduard Gröller
On the Role of Topology in Focus+Context Visualization
In Proceedings of TopoInVis 2005, Topology-based Methods in Visualization, pages 171-181. September 2007.
[paper]

Zsolt Toth, Ivan Viola, Andrej Ferko, Meister Eduard Gröller
N-dimensional Data-Dependent Reconstruction Using Topological Changes
In Proceedings of TopoInVis 2005, Topology-based Methods in Visualization, pages 183-198. September 2007.
[paper]

Jean-Paul Balabanian, Ivan Viola, Egil Ona, Ruben Patel, Meister Eduard Gröller
Sonar Explorer: A New Tool for Visualization of Fish Schools from 3D Sonar Data
In Data Visualization - EuroVis 2007, pages 155-162. May 2007.
[paper]

Michael Burns, Martin Haidacher, Wolfgang Wein, Ivan Viola, Meister Eduard Gröller
Feature Emphasis and Contextual Cutaways for Multimodal Medical Visualization
In Proceedings of Eurographics / IEEE VGTC Symposium on Visualization (EuroVis 2007), pages 275-282. May 2007.
[paper]

Ivan Viola, Stefan Bruckner, Mario Costa Sousa, David Ebert, Carlos Correa
IEEE Visualization Tutorial on Illustrative Display and Interaction in Visualization

Peter Rautek, Ivan Viola, Meister Eduard Gröller
Caricaturistic Visualization
IEEE Transactions on Visualization and Computer Graphics, 12(5):1085-1092, November 2006. [paper]

Ivan Viola, Miquel Feixas, Mateu Sbert, Meister Eduard Gröller
Importance-Driven Focus of Attention
IEEE Transactions on Visualization and Computer Graphics, 12(5):933-940, October 2006. [pdf]

Ivan Viola, Mario Costa Sousa, David Ebert, Bernhard Preim, Bruce Gooch, Bill Andrews, Christian Tietjen
Eurographics Tutorial on Illustrative Visualization for Science and Medicine

[Tutorial Notes]

Ivan Viola, Mario Costa Sousa, David Ebert, Bill Andrews, Bruce Gooch, Stefan Bruckner, Bernhard Preim, Don Stredney, Nikolai Svakhine, Christian Tietjen
IEEE Visualization Tutorial on Illustrative Visualization for Science and Medicine

Michael Krassnitzer, Ivan Viola, Stefan Bruckner
Explodierende Körper

[Article]

Mario Costa Sousa, David Ebert, Bruce Gooch, Ivan Viola, Stefan Bruckner, Bill Andrews, Don Stredney, Nikolai Svakhine
SIGGRAPH Course Illustrative Visualization for Medicine and Science

Ivan Viola, Miquel Feixas, Mateu Sbert, Meister Eduard Gröller
Focus of Attention for Volumetric Data Inspection, 2006-05-28-2006-06-02, Dagstuhl castle, Germany
[Slides]

Armin Kanitsar, Ivan Viola, Katja Bühler, Stefan Bruckner
X-rayed X-mastree

Stefan Bruckner, Ivan Viola, Meister Eduard Gröller
VolumeShop: Interactive Direct Volume Illustration

[Sketch]

Ivan Viola
Importance-Driven Expressive Visualization
Supervisor: Meister Eduard Gröller
Duration: May 2002 - June 2005
[pdf (screen version)]

Martin Artner, Torsten Möller, Ivan Viola, Meister Eduard Gröller
High-Quality Volume Rendering with Resampling in the Frequency Domain
In Proceedings of EuroVis, pages 85-92. June 2005.
[Paper]

Ivan Viola, Meister Eduard Gröller
Smart Visibility in Visualization
In Proceedings of EG Workshop on Computational Aesthetics Computational Aesthetics in Graphics, Visualization and Imaging, pages 209-216. May 2005.
[Paper]

Ivan Viola, Armin Kanitsar, Meister Eduard Gröller
Importance-Driven Feature Enhancement in Volume Visualization
IEEE Transactions on Visualization and Computer Graphics, 11(4):408-418, 2005. [paper]

Ivan Viola
Importance-Driven Expressive Visualization, 2005-10-10-, Comenius University Bratislava, Slovakia

Ivan Viola
Importance-Driven Expressive Visualization, 2005-11-11-, University of Siegen, Germany

Ivan Viola, Meister Eduard Gröller, Katja Bühler, Markus Hadwiger, Bernhard Preim, David Ebert, Mario Costa Sousa, Don Stredney
IEEE Visualization Tutorial on Illustrative Visualization

[Tutorial Notes Small Version]

Ivan Viola
Importance-Driven Expressive Visualization, 2005-10-06-, University of Magdeburg, Germany

Ivan Viola, Meister Eduard Gröller, Katja Bühler, Markus Hadwiger, Bernhard Preim, David Ebert
Eurographics Tutorial on Illustrative Visualization

[Tutorial Notes]

Ivan Viola, Armin Kanitsar, Meister Eduard Gröller
Importance-Driven Volume Rendering
In Proceedings of IEEE Visualization 2004, pages 139-145. October 2004.
[Paper]

Ivan Viola, Armin Kanitsar, Meister Eduard Gröller
GPU-based Frequency Domain Volume Rendering
In Proceedings of SCCG 2004, pages 49-58. April 2004.
[Paper]

Ivan Viola
GPU-Based Frequency Domain Volume Rendering, 2004-04-15-, Budmerice

Ivan Viola
Importance-Driven Volume Rendering, 2004-10-13-, Austin, USA
[data]

Ivan Viola, Armin Kanitsar, Meister Eduard Gröller
Hardware-Based Nonlinear Filtering and Segmentation using High-Level Shading Languages.
In Proceedings of IEEE Visualization 2003, pages 309-316. October 2003.
[Paper]

Ivan Viola
Hardware-Based Nonlinear Filtering and Segmentation using High-Level Shading Languages Visualization, 2003-10-23-, Seattle, USA
[slides]

Markus Hadwiger, Ivan Viola, Thomas Theußl, Helwig Hauser
Fast and Flexible High-Quality Texture Filtering With Tiled High-Resolution Filters
In Vision, Modeling and Visualization 2002, pages 155-162. November 2002.
[Paper]

László Neumann, Balázs Csebfalvi, Ivan Viola, Matej Mlejnek, Meister Eduard Gröller
Feature-Preserving Volume Filtering
In Data Visualization 2002, pages 105-114. May 2002.
[Paper]

Ivan Viola
Applications of Hardware-Accelerated Filtering in Computer Graphics
[Thesis]