Ivan Viola's picture
Ivan
Viola
Adjunct Professor
Visit Address: 
HIB - Thormøhlensgt. 55
5020 Bergen
Postal Address: 
Postboks 7803
5020 Bergen
Phone: 
+47 55 58 42 82
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Books
  • Sbert, Mateu; Feixas, M; Rigau, Jaume; Chover, Miguel; Viola, Ivan. 2009. Information Theory Tools For Computer Graphics. 166 pages. ISBN: 1598299298.
Journal articles
  • Le Muzic, Mathieu; Parulek, Julius; Stavrum, Anne-Kristin; Viola, Ivan. 2014. Illustrative visualization of molecular reactions using omniscient intelligence and passive agents. Computer graphics forum (Print). 33: 141-150. doi: 10.1111/cgf.12370
  • Šoltészová, Veronika; Birkeland, Åsmund; Viola, Ivan; Bruckner, Stefan. 2014. Visibility-Driven Processing of Streaming Volume Data. Proceeding of Eurographics Workshop on Visual Computing for Biomedicine. 127-136.
  • Lidal, Endre Mølster; Natali, Mattia; Patel, Daniel; Hauser, Helwig; Viola, Ivan. 2013. Geological storytelling. Computers & graphics. 37: 445-459. Published 2013-10-02. doi: 10.1016/j.cag.2013.01.010
  • Løvset, Tyge; Ulvang, Dag Magne; Bekkvik, Tor Christian; Villanger, Kåre P.; Viola, Ivan. 2013. Rule-based method for automatic scaffold assembly from 3D building models. Computers & graphics. 37: 256-268. doi: 10.1016/j.cag.2013.01.007
  • Natali, Mattia; Lidal, Endre Mølster; Parulek, Julius; Viola, Ivan; Patel, Daniel. 2013. Modeling terrains and subsurface geology. Eurographics State of the Art Reports. 155-173. doi: 10.2312/conf/EG2013/stars/155-173
  • Parulek, Julius; Turkay, Cagatay; Reuter, Nathalie; Viola, Ivan. 2013. Visual cavity analysis in molecular simulations. BMC Bioinformatics. 14. Published 2013-11-12. doi: 10.1186/1471-2105-14-S19-S4
  • Sima, Aleksandra Anna; Bonaventura, Xavier; Feixas, Miquel; Sbert, Mateu; Howell, John Anthony; Viola, Ivan; Buckley, Simon John. 2013. Computer-aided image geometry analysis and subset selection for optimizing texture quality in photorealistic models. Computers & Geosciences. 52: 281-291. doi: 10.1016/j.cageo.2012.11.004
  • Viola, Ivan; Birkeland, Åsmund; Šoltészová, Veronika; Helljesen, Linn Emilie Sævil; Hauser, Helwig; Kotopoulis, Spiros; Nylund, Kim; Ulvang, Dag Magne; Øye, Ola Kristoffer; Hausken, Trygve; Gilja, Odd Helge. 2013. High-quality 3D visualization of in-situ ultrasonography. Eurographics. 1-4. doi: 10.2312/conf/EG2013/med/001-004
  • Birkeland, Åsmund; Bruckner, Stefan; Brambilla, Andrea; Viola, Ivan. 2012. Illustrative membrane clipping. Computer graphics forum (Print). 31: 905-914. doi: 10.1111/j.1467-8659.2012.03083.x
  • Brambilla, Andrea; Carnecky, Robert; Peikert, Ronald; Viola, Ivan; Hauser, Helwig. 2012. Illustrative Flow Visualization: State of the Art, Trends and Challenges. Eurographics State of the Art Reports. 75-94. doi: 10.2312/conf/EG2012/stars/075-094
  • Brambilla, Andrea; Viola, Ivan; Hauser, Helwig. 2012. A Hierarchical Splitting Scheme to Reveal Insight into Highly Self-Occluded Integral Surfaces. Journal of WSCG. 20: 57-64.
  • Šoltészová, Veronika; Turkay, Cagatay; Price, Mark; Viola, Ivan. 2012. A Perceptual-statistics shading model. IEEE Transactions on Visualization and Computer Graphics. 18: 2265-2274. doi: 10.1109/TVCG.2012.188
  • Ruiz, Marc; Bardera, Anton; Boada, Imma; Viola, Ivan; Feixas, Miquel; Sbert, Mateu. 2011. Automatic Transfer Functions Based on Informational Divergence. IEEE Transactions on Visualization and Computer Graphics. 17: 1932-1941.
  • Angelelli, Paolo; Viola, Ivan; Nylund, Kim; Gilja, Odd Helge; Hauser, Helwig. 2010. Guided Visualization of Ultrasound Image Sequences. Proceeding of Eurographics Workshop on Visual Computing for Biomedicine. 125-132.
  • Bruckner, Stefan; Rautek, Peter; Viola, Ivan; Roberts, Mike; Sousa, Mario Costa; Gröller, M. Eduard. 2010. Hybrid visibility compositing and masking for illustrative rendering. Computers & graphics. 34: 361-369. doi: 10.1016/j.cag.2010.04.003
  • Viola, Ivan; Hauser, Helwig; Ebert, David. 2010. Editorial note for special section on illustrative visualization. Computers & graphics. 34: 335-336. doi: 10.1016/j.cag.2010.05.011
  • Šoltészová, Veronika; Patel, Daniel; Bruckner, Stefan; Viola, Ivan. 2010. A multidirectional occlusion shading model for direct volume rendering. Computer graphics forum (Print). 29: 883-891. doi: 10.1111/j.1467-8659.2009.01695.x
  • Nylund, Kim; Ødegaard, Svein; Hausken, Trygve; Folvik, Geir; Lied, Gülen Arsland; Viola, Ivan; Hauser, Helwig; Gilja, Odd Helge. 2009. Sonography of the small intestine. World Journal of Gastroenterology. 15: 1319-1330. doi: 10.3748/wjg.15.1319
  • Rautek, Peter; Bruckner, Stefan; Gröller, Eduard; Viola, Ivan. 2008. Illustrative Visualization – New Technology or Useless Tautology? Computer graphics. 42.
  • Gilja, Odd Helge; Hatlebakk, Jan Gunnar; Ødegaard, Svein; Berstad, Arnold; Viola, Ivan; Giertsen, Christopher; Hausken, Trygve; Gregersen, Hans. 2007. Advanced imaging and visualization in gastrointestinal disorders. World Journal of Gastroenterology. 13: 1408-1421.
  • Lampe, Ove Daae; Viola, Ivan; Reuter, Nathalie; Hauser, Helwig. 2007. Two-Level Approach to Efficient Visualization of Protein Dynamics. IEEE Transactions on Visualization and Computer Graphics. 13: 1616-1623.
Reports and theses
  • Lidal, Endre Mølster; Patel, Daniel; Bendiksen, Morten; Langeland, Tor; Viola, Ivan. 2013. Rapid Sketch-based 3D Modeling of Geology. 5 pages.
Book sections
  • Birkeland, Åsmund; Ulvang, Dag Magne; Nylund, Kim; Hausken, Trygve; Gilja, Odd Helge; Viola, Ivan. 2013. Doppler-based 3D Blood Flow Imaging and Visualization. Illustrative Graphics, pages 128-135. In:
    • Durikovic, Roman; Rushmeier, Holly. 2013. Proceedings of the Spring Conference on Computer Graphics (SCCG 2013). 168 pages. ISBN: 978-80-223-3377-1.
  • Parulek, Julius; Ropinski, Timo; Viola, Ivan. 2013. Seamless abstraction of molecular surfaces. Illustrative graphics, pages 120-127. In:
    • Durikovic, Roman; Rushmeier, Holly. 2013. Proceedings of the Spring Conference on Computer Graphics (SCCG 2013). 168 pages. ISBN: 978-80-223-3377-1.
  • Ford, Steven Thomas; Viola, Ivan; Bruckner, Stefan; Torp, Hans; Kiss, Gabriel. 2012. HeartPad: real-time visual guidance for cardiac ultrasound. Kap, pages 169-176. In:
    • Manocha, Dinesh; Winslett, Marianne. 2012. WASA '12 Proceedings of the Workshop at SIGGRAPH Asia. ACM Digital Library. 176 pages. ISBN: 978-1-4503-1835-8.
  • Lidal, Endre Mølster; Hauser, Helwig; Viola, Ivan. 2012. Geological storytelling: graphically exploring and communicating geological sketches. Sketching applications, pages 11-20. In:
    • Singh, Karan; Levent Burak, Kara. 2012. Proceedings of the International Symposium on Sketch-Based Interfaces and Modeling. Eurographics - European Association for Computer Graphics. 136 pages. ISBN: 978-3-905674-42-2.
  • Lidal, Endre Mølster; Hauser, Helwig; Viola, Ivan. 2012. Design Principles for Cutaway Visualization of Geological Models. Perception, pages 53-60. In:
    • Durikovic, Roman; O'Sullivan, Carol. 2012. Proceedings of Spring Conference on Computer Graphics SCCG 2012. ACM Press. 169 pages.
  • Natali, Mattia; Viola, Ivan; Patel, Daniel. 2012. Rapid visualization of geological concepts. Article, pages . In:
    • CEGRAPI, -. 2012. SIBGRAPI 2012 - Conference on Graphics, Patterns and Images. ISBN: 9772176085006.
  • Parulek, Julius; Turkay, Cagatay; Reuter, Nathalie; Viola, Ivan. 2012. Implicit Surfaces for Interactive Graph Based Cavity Analysis of Molecular Simulations. article, pages 115-123. In:
    • Roerdink, Jos; Hibbs, Matt. 2012. IEEE Symposium on Biological Data Visualization 2012. IEEE conference proceedings. 124 pages. ISBN: 978-1-4673-4730-3.
  • Parulek, Julius; Viola, Ivan. 2012. Implicit Representation of Molecular Surfaces. article, pages 217-224. In:
    • Hauser, Helwig; Kobourov, Stephen; Qu, Huamin. 2012. Proceedings of Pacific Visualization Symposium 2012. IEEE conference proceedings. 240 pages. ISBN: 9781467308649.
  • Øye, Ola Kristoffer; Wein, Wolfgang; Ulvang, Dag Magne; Matre, Knut; Viola, Ivan. 2012. Real Time Image-Based Tracking of 4D Ultrasound Data. Chapter 55, pages 447-454. In:
    • Ayache, Nicholas; Delingette, Herve; Golland, Polina; Kensaku, Mori. 2012. Medical Image Computing and Computer-Assisted Intervention -- MICCAI 2012 Proceedings, Part I. Springer. 746 pages. ISBN: 978-3-642-33415-3.
  • Šoltészová, Veronika; Helljesen, Linn Emilie Sævil; Wein, Wolfgang; Gilja, Odd Helge; Viola, Ivan. 2012. Lowest-Variance Streamlines for Filtering of 3D Ultrasound. Ultrasound, pages 41-48. In:
    • Ropinski, Timo; Ynnerman, Anders; Botha, Charl; Roerdink, Jos. 2012. Proceedings of the Eurographics Workshop on Visual Computing in Biology and Medicine. Eurographics - European Association for Computer Graphics. 138 pages. ISBN: 978-3-905674-38-5.
  • Šoltészová, Veronika; Patel, Ruben; Hauser, Helwig; Viola, Ivan. 2012. Stylized Volume Visualization of Streamed Sonar Data. Visualization, pages 13-20. In:
    • Durikovic, Roman; O'Sullivan, Carol. 2012. Proceedings of Spring Conference on Computer Graphics SCCG 2012. ACM Press. 169 pages.
  • Havre, Roald Flesland; Palmerius, Karljohan; Ulvang, Dag Magne; Nesje, Lars Birger; Viola, Ivan; Gilja, Odd Helge; Ødegaard, Svein. 2011. Reconstructing the sense of touch - Haptic rendering of sonoelastography images. Abstract, pages 67-68. In:
    • Haslene-Hox, Hanne; Silden, Elisabeth; Mujic, Maja; Matre, Knut; McCormack, Emmet Martin. 2011. 2011 Joint National Ph.D. Conference in Medical Imaging and MedViz Conference. 132 pages. ISBN: 978-82-993786-6-6.
  • Lundin Palmerius, Karljohan; Havre, Roald Flesland; Gilja, Odd Helge; Viola, Ivan. 2011. Ultrasound Palpation by Haptic Elastography. 69. In:
    • Solomonides, Tony; Olive, Mark. 2011. Proceedings of CBMS. IEEE conference proceedings. 85 pages. ISBN: 978-1-4577-1190-9.
  • Øye, Ola Kristoffer; Ulvang, Dag Magne; Gilja, Odd Helge; Hauser, Helwig; Viola, Ivan. 2011. Illustrative Couinaud Segmentation for Ultrasound Liver Examinations. 6, pages 60-77. In:
    • Dickmann, L; Volkmann, G; Malaka, R.; Boll, S.; Krüger, A; Olivier, P. 2011. Smart Graphics. Springer. 203 pages. ISBN: 978-3-642-22570-3.
  • Šoltészová, Veronika; Patel, Daniel; Viola, Ivan. 2011. Chromatic Shadows for Improved Perception. 12, pages 105-116. In:
    • Collomosse, John; Asente, Paul. 2011. Proceedings of the ACM SIGGRAPH/Eurographics Symposium on Non-Photorealistic Animation and Rendering. ACM Press. 190 pages. ISBN: 978-1-4503-0907-3.
  • Balabanian, Jean-Paul; Viola, Ivan; Gröller, Eduard. 2010. Interactive Illustrative Visualization of Hierarchical Volume Data. best student paper. In:
    • Mould, David; Noel, Sylvie. 2010. Graphics Interface 2010. Taylor & Francis. 250 pages. ISBN: 9781568817125.
  • Birkeland, Åsmund; Viola, Ivan. 2010. Ultrasound Painting of Liver Vascular Tree. Segmentation & Reconstruction, pages 163-170. In:
    • Koch, Reinhard; Kolb, Andreas; Rezk-Salama, Christof. 2010. Proceedings of Vision, Modeling, and Visualization (VMV 2010). Eurographics - European Association for Computer Graphics. 346 pages. ISBN: 978-3-905673-79-1.
  • Patel, Daniel; Bruckner, Stefan; Viola, Ivan; Gröller, Eduard. 2010. Seismic Volume Visualization for Horizon Extraction. Visualization in Medicine and Natural Sciences, pages 73-80. In:
    • North, Stephen; Shen, Han-Wei; van Wijk, Jarke J. 2010. IEEE Pacific Visualization Symposium 2010. IEEE Computer Society. 216 pages. ISBN: 978-1-4244-6684-9.
  • Birkeland, Åsmund; Viola, Ivan. 2009. View-Dependent Peel-Away Visualization for Volumetric Data. 17, pages 133-139. In:
    • Hauser, Helwig. 2009. Proceedings Spring Conference on Computer Graphics (SCCG 2009). ISBN: 978-80-223-2644-5.
  • Ropinski, Timo; Viola, Ivan; Biermann, Martin; Hauser, Helwig; Hinrichs, Klaus. 2009. Multimodal Visualization with Interactive Closeups. 3, pages 17-24. In:
    • Fellner, Dieter. 2009. Theory and Practice of Computer Graphics 2009. Eurographics - European Association for Computer Graphics. 245 pages. ISBN: 978-3-905673-71-5.
  • Balabanian, Jean-Paul; Viola, Ivan; Möller, Torsten; Gröller, Eduard. 2008. Temporal Styles for Time-Varying Volume Data. Posters, pages 81-88. In:
    • Gumhold, Stephan; Kosecka, Jana; Staadt, Oliver. 2008. Fourth International Symposium on 3D Data Processing, Visualization and Transmission (3DPVT'08). School of Interactive Computing at the Georgia Institute of Technology. 382 pages.
  • Balabanian, Jean-Paul; Ystad, Martin Andreas; Viola, Ivan; Lundervold, Arvid; Hauser, Helwig; Gröller, Eduard. 2008. Hierarchical Volume Visualization of Brain Anatomy. Medical Visualization, pages 313-322. In:
    • Deussen, Oliver; Keim, Daniel; Saupe, Dietmar. 2008. 13th International Fall Workshop Vision, Modeling, and Visualization 2008. IOS Press. 414 pages. ISBN: 978-1-58603-921-9.
  • Ruiz, Marc; Sbert, Mateu; Boada, Imma; Viola, Ivan; Bruckner, Stefan; Feixas, Miquel. 2008. Obscurance-based Volume Rendering Framework. Volume Rendering Techniques, pages 113-120. In:
    • Hege, Hans-Christian; Laidlaw, David; Pajarola, Renato; Staadt, Oliver. 2008. Eurographics/IEEE VGTC Volume and Point-Based Graphics. Eurographics - European Association for Computer Graphics. 170 pages. ISBN: 978-3-905674-12-5.
  • Ruiz, Marc; Viola, Ivan; Boada, Imma; Bruckner, Stefan; Feixas, Miquel; Sbert, Mateu. 2008. Similarity-Based Exploded Views. Visualisation, pages 154-165. In:
    • Butz, Andreas; Fisher, Brian; Krueger, Antonio; Olivier, Patrick; Christie, Marc. 2008. Smart Graphics 9th International Symposium, SG 2008. Springer. 277 pages. ISBN: 978-3-540-85410-4.
  • Viola, Ivan; Nylund, Kim; Øye, Ola Kristoffer; Ulvang, Dag Magne; Gilja, Odd Helge; Hauser, Helwig. 2008. Illustrated Ultrasound for Multimodal Data Interpretation of Liver Examinations. Volume Visualization and GPU, pages 125-133. In:
    • Botha, Charl; Kindlmann, Gordon; Niessen, Wiro; Preim, Bernhard. 2008. VCBM 2008 Eurographics Workshop on Visual Computing for Biomedicine. Eurographics - European Association for Computer Graphics. 186 pages. ISBN: 978-3-905674-13-2.
  • Balabanian, Jean-Paul; Viola, Ivan; Patel, Ruben; Ona, Egil; Gröller, Eduard. 2007. Sonar Explorer: A New Tool for Visualization of Fish Schools from 3D Sonar Data. kapittel, pages 155-162. In:
    • Museth, Ken; Mõller, Torsten; Ynnerman, Anders. 2007. Data Visualization - EUROVIS 2007. Eurographics - European Association for Computer Graphics. 300 pages. ISBN: 978-3-905673-45-6.
  • Burns, Michael; Haidacher, Martin; Wein, Wolfgang; Viola, Ivan; Gröller, Eduard. 2007. Feature Emphasis and Contextual Cutaways for Multimodal Medical Visualization. Visualization in Medicine, pages 275-282. In:
    • Museth, Ken; Mõller, Torsten; Ynnerman, Anders. 2007. Data Visualization - EUROVIS 2007. Eurographics - European Association for Computer Graphics. 300 pages. ISBN: 978-3-905673-45-6.
  • Toth, Zsolt; Viola, Ivan; Ferko, Andrej; Gröller, Eduard. 2007. N-dimensional Data-Dependent Reconstruction Using Topological Changes. 13, pages 183-198. In:
    • Hauser, Helwig; Hagen, Hans; Theisel, Holger. 2007. Topology-based Methods in Visualization. Springer. 222 pages. ISBN: 978-3-540-70822-3.
  • Viola, Ivan; Gröller, Eduard. 2007. On the Role of Topology in Focus+Context Visualization. 12, pages 171-182. In:
    • Hauser, Helwig; Hagen, Hans; Theisel, Holger. 2007. Topology-based Methods in Visualization. Springer. 222 pages. ISBN: 978-3-540-70822-3.

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