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Dr. Denis Kalkofen is an assistant professor at the Institute of Computer Graphics and Vision (ICG), Graz University of Technology, Austria. His research is focused on developing visualization, interaction, authoring and display technology for Virtual and Mixed Reality environments. He is especially interested in the combination of computer graphics and computer vision techniques to enable comprehensible and easily accessible Virtual and Mixed Reality experiences. Denis received Dipl.-Ing. (2004) from the University of Magdeburg and Dr. techn. (2009) from Graz University of Technology. In 2019, he joined the Wearable Computer Laboratory at the University of South Australia, in Adelaide Australia as visiting researcher, and the Computational Imaging Laboratory at Stanford University, USA as visiting assistant professor. Before joining ICG, he was a member of the Virtual Reality Laboratory at the University of Michigan, Ann Arbor, Michigan. 


   
  Designing for Mixed Reality Urban Exploration. Salvatore Andolina, Yi-Ta Hsieh, Denis Kalkofen, Antti Nurminen, Diogo Cabral, Anna Spagnolli, Luciano Gamberini, Ann Morrison, Dieter Schmalstieg, Giulio Jacucci. Journal of Interaction Design \& Architecture(s) (IxD\&A), 2021
 
  Video-Annotated Augmented Reality Assembly Tutorials. Masahiro Yamaguchi, Shohei Mori, Peter Mohr, Markus Tatzgern, Ana Stanescu, Hideo Saito, and Denis Kalkofen. ACM Symposium on User Interface Software and Technology (UIST) 2020.
 
  Perspective Matters: Design Implications for Motion Guidance in Mixed Reality. Xingyao Yu, Katrin Angerbauer, Peter Mohr, Denis Kalkofen, and Michael Sedlmair. IEEE International Symposium on Mixed and Augmented Reality (ISMAR) 2020.
 
 

InpaintFusion: Incremental RGB-D Inpainting for 3D Scenes. Shohei Mori, Okan Erat, Wolfgang Broll, Hideo Saito, Dieter Schmalstieg and Denis Kalkofen. IEEE Transactions on Visualization and Computer Graphics (TVCG) 2020.

  Mixed Reality Light Fields for Interactive Remote Assistance. Peter Mohr, Shohei Mori, Tobias Langlotz, Bruce Thomas, Dieter Schmalstieg, and Denis Kalkofen. ACM Conference on Human Factors in Computing Systems (CHI) 2020.
 
  Tools for Teaching Mining Students in Virtual Reality based on 360 Video Experiences. Denis Kalkofen, Shohei Mori, Tobias Ladinig, Lea Daling, Anas Abdelrazeq, Markus Ebner, Manuel Ortega, Susanne Feiel, Sebastian Gabl, Taras Shepel, James Tibbett, Teemu H. Laine, Michael Hitch, Carsten Drebenstedt, and Peter Moser. IEEE Virtual Reality (VR'20) Workshop on K-12+ Embodied Learning through Virtual \& Augmented Reality (KELVAR'20). best paper
 
  TrackCap: Enabling Smartphones for 3D Interaction on Mobile Head-Mounted Displays. Peter Mohr, Markus Tatzgern, Tobias Langlotz, Andreas Lang, Dieter Schmalstieg, and Denis Kalkofen. ACM Conference on Human Factors in Computing Systems (CHI), 2019.
 
  Visualization-Guided Attention Direction in Dynamic Control Tasks. Jason Orlosky, Chang Liu, Denis Kalkofen, Kiyoshi Kiyokawa. IEEE International Symposium on Mixed and Augmented Reality (ISMAR), 2019.
 
  3D Pixmix. Shohei Mori, Jan Herling, Wolfgang Broll, Hideo Saito, Dieter Schmalstieg, Denis Kalkofen IEEE International Symposium on Mixed and Augmented Reality (ISMAR), 2018
 
 

Drone-Augmented Human Vision: Exocentric Control for Drones Exploring Hidden Areas. Okan Erat, Alexander Isop, Denis Kalkofen, Dieter Schmalstieg IEEE Transactions on Visualization and Computer Graphics (TVCG) (Special Issue IEEE Virtual Reality 2018) 

  TutAR: Augmented Reality Tutorials for Hands-only Procedures. Daniel Eckhoff, Christian Sandor, Christian Lins, Ulrich Eck, Denis Kalkofen, Andreas Hein, ACM SIGGRAPH International Conference on Virtual-Reality Continuum and Its Applications in Industry (VRCAI'18), 2018, best short paper
 
 

Combining Intelligent Recommendation and Mixed Reality in Itineraries for Urban Exploration. Giulio Jacucci, Salvatore Andolina, Denis Kalkofen, Dieter Schmalstieg, Antti Nurminen, Anna Spagnolli, Luciano Gamberini, Tuukka Ruotsalo Information Systems and Management in Creative eMedia (CreMedia), 2018 

 

Learning Lightprobes for Mixed Reality Illumination David Mandl, Kwang Moo Yi, Peter Mohr, Peter Roth, Pascal Fua, Vincent Lepetit, Dieter Schmalstieg, Denis Kalkofen IEEE International Symposium on Mixed and Augmented Reality (ISMAR), 2017

 

Dynamic Label Placement for Forensic Case Visualization Christof Sirk, Denis Kalkofen, Denis Schmalstieg, Alexander Bornik EG/VGTC Conference on Visualization (Eurovis), 2017, best short paper

 

Retargeting Video Tutorials Showing Tools With Surface Contact to Augmented Reality Peter Mohr, David Mandl, Markus Tatzgern, Eduardo Veas, Dieter Schmalstieg, Denis Kalkofen ACM Conference on Human Factors in Computing Systems (CHI), 2017

 

Adaptive User-Perspective Rendering Peter Mohr, Markus Tatzgern, Jens Grubert, Dieter Schmalstieg, Denis Kalkofen IEEE International Symposium on 3D User Interfaces (3DUI), 2017 Honorable Mention for Best Paper

 

Instant Mixed Reality Lighting from Casual Scanning Thomas Richter-Trummer, Denis Kalkofen, Jinwoo Park, Dieter Schmalstieg IEEE International Symposium on Mixed and Augmented Reality (ISMAR'16), pages 27 - 36, 2016

 

Temporal Coherence Strategies For Augmented Reality Labeling Jacob Boesen Madsen, Markus Tatzgern, Claus B Madsen, Dieter Schmalstieg, Denis Kalkofen Transactions on Visualization and Graphics (TVCG - Proceedings of IEEE VR), pages 1415 - 1423, 2016

 

Adaptive Information Density For Augmented Reality Displays Markus Tatzgern, Valeria Orso, Denis Kalkofen, Giulio Jacucci, Luciano Gamberini, Dieter Schmalstieg IEEE Virtual Reality (VR), pages 83, 2016

 

Retargeting Technical Documentation to Augmented Reality Peter Mohr, Bernhard Kerbl, Michael Donoser, Dieter Schmalstieg, Denis Kalkofen, ACM Conference on Human Factors in Computing Systems (CHI), pages 3337-3346, 2015

 

Interactive Disassembly Planning for Complex Objects Bernhard Kerbl, Denis Kalkofen, Markus Steinberger, Dieter Schmalstieg, Computer Graphics Forum (Proceedings of Eurographics), volume 34, issue 2(2015), pages 287–297, 2015

 

Exploring real world points of interest: Design and evaluation of object-centric exploration techniques for augmented reality Markus Tatzgern, Raphael Grasset, Eduardo Veas, Denis Kalkofen, Hartmut Seichter, Dieter Schmalstieg, Pervasive Mobile Computing 18: 55–70, 2015 

 

Design Guidelines for Generating Augmented Reality Instructions. Cledja Rolim, Dieter Schmalstieg, Denis Kalkofen, Veronica Teichrieb IEEE International Symposium on Mixed and Augmented Reality (ISMAR), pages 120 - 123, 2015

 

Hedgehog Labeling: View Management Techniques for External Labels in 3D Space Markus Tatzgern, Denis Kalkofen, Raphael Grasset, Dieter Schmalstieg, IEEE Virtual Reality (VR), pages 27-32, 2014 

 

Transitional Augmented Reality Navigation for Live Captured Scenes Markus Tatzgern, Raphael Grasset, Denis Kalkofen, Dieter Schmalstieg, IEEE Virtual Reality (VR), pages 21-26, 2014

 

Adaptive ghosted views for Augmented Reality Denis Kalkofen, Eduardo Veas, Stefanie Zollmann, Markus Steinberger, Dieter Schmalstieg, IEEE International Symposium on Mixed, Augmented Reality (ISMAR), pages 1-9, 2013

 

Exploring Distant Objects with Augmented Reality Markus Tatzgern, Raphael Grasset, Eduardo Veas, Denis Kalkofen, Hartmut Seichter, Dieter Schmalstieg, Joint Virtual Reality Conference of EGVE - EuroVR, pages 49-56, 2013 

 

Dynamic compact visualizations for augmented reality. Markus Tatzgern, Denis Kalkofen, Dieter Schmalstieg, IEEE Virtual Reality (VR), pages 3-6, 2013 

 

Entourage: Visualizing Relationships between Biological Pathways using Contextual Subsets Alexander Lex, Christian Partl, Denis Kalkofen, Marc Streit, Samuel Gratzl, Anne Mai Wassermann, Dieter Schmalstieg, Hanspeter Pfister, IEEE Transactions on Visualization and Computer Graphics (TVCG - Proceedings of InfoVis), pages 2536-2545, 2013 

 

enRoute: Dynamic Path Extraction from Biological Pathway Maps for Exploring Heterogeneous Experimental Datasets. Christian Partl, Alexander Lex, Marc Streit, Denis Kalkofen, Karl Kashofer, Dieter Schmalstieg, BMC Bioinformatics, pages S3, 2013

 

enRoute: Dynamic path extraction from biological pathway maps for in-depth experimental data analysis. Christian Partl, Alexander Lex, Denis Kalkofen, Karl Kashofer, Marc Streit, Dieter Schmalstieg, Symposium on Biological Data Visualization (BioVis), pages 107-114, 2012 Best Paper

 

OmniKinect: Real-time Dense Volumetric Data Acquisition and Applications Bernhard Kainz, Stefan Hauswiesner, Gerhard Reitmayr, Markus Steinberger, Raphael Grasset, Lukas Gruber, Eduardo Veas, Denis Kalkofen, Hartmut Seichter, Dieter Schmalstieg, Symposium on Virtual Reality Software, Technology (VRST), pages 25-32, 2012 

 

Image-driven view management for augmented reality browsers Raphael Grasset, Tobias Langlotz, Denis Kalkofen, Markus Tatzgern, Dieter Schmalstieg, International Symposium on Mixed, Augmented Reality (ISMAR), pages 177-186, 2012 

 

Interactive 4D overview and detail visualization in augmented reality Stefanie Zollmann, Denis Kalkofen, Christof Hoppe, Stefan Kluckner, Horst Bischof, Gerhard Reitmayr, International Symposium on Mixed, Augmented Reality (ISMAR), pages 167-176, 2012

 

Frame Cache Management for Multi-frame Rate Systems Stefan Hauswiesner, Philipp Grasmug, Denis Kalkofen, Dieter Schmalstieg, International Symposium on Visual Computing (ISVC), pages 285-294, 2012 

 

Ray prioritization using stylization and visual saliency Markus Steinberger, Bernhard Kainz, Stefan Hauswiesner, Rostislav Khlebnikov, Denis Kalkofen, Dieter Schmalstieg, Computers & Graphics, pages 673-684, 2012

 

Using Perceptual Features to Prioritize Ray-based Image Generation Bernhard Kainz, Markus Steinberger, Stefan Hauswiesner, Rostislav Khlebnikov, Denis Kalkofen, Dieter Schmalstieg, ACM Siggraph Symposium on Interactive 3D Graphics, Games (I3D), 2011

 

Visualization Techniques for Augmented Reality Denis Kalkofen, Christian Sandor, Sean White, Dieter Schmalstieg, Handbook of Augmented Reality, pages 65-98, 2011

 

Embedded Virtual Views for Augmented Reality Navigation Markus Tatzgern, Denis Kalkofen, Raphael Grasset, Dieter Schmalstieg, Workshop on Visualization in Mixed Reality Environments, International Symposium on Mixed, Augmented Reality (ISMAR), 2011

 

Multi-perspective Compact Explosion Diagrams Markus Tatzgern, Denis Kalkofen, Dieter Schmalstieg, Computer & Graphics, pages 135--147, 2011

 

Compact explosion diagrams Markus Tatzgern, Denis Kalkofen, Dieter Schmalstieg, Non-Photorealistic Animation, Rendering (NPAR), pages 17-26, 2010

 

Color harmonization for Augmented Reality Lukas Gruber, Denis Kalkofen, Dieter Schmalstieg, IEEE International Symposium on Mixed, Augmented Reality (ISMAR), pages 227-228, 2010

 

Image-based ghostings for Single Layer Occlusions in Augmented Reality Stefanie Zollmann, Denis Kalkofen, Erick Mendez, Gerhard Reitmayr, IEEE International Symposium on Mixed, Augmented Reality (ISMAR), pages 19-26, 2010

 

Multi-Frame Rate Volume Rendering Stefan Hauswiesner, Denis Kalkofen, Dieter Schmalstieg, Eurographics Symposium on Parallel Graphics, Visualization, pages 19-26, 2010 

 

Augmented Reality for Minimally Invasive Surgery: Overview and Some Recent Advances Pablo Lamata, Ali Wajid, Alicia Cano, Jordi Cornella, Jerome Declerck, Ole J. Elle, Adinda Freudenthal, Hugo Furtado, Denis Kalkofen, Edvard Naerum, Eigil Samset, Patricia Sánchez-Gonzalez, Francisco M. Sánchez-Margallo, Dieter Schmalstieg, Mauro Sette, Thomas Stüdeli, Jos Vander Sloten, Enrique J. Gómez, Augmented Reality, Soha Maad (Ed.) ISBN: 978-953-7619-69-5, 2010

 

Comprehensible Visualization for Augmented Reality Denis Kalkofen, Erick Mendez, Dieter Schmalstieg, IEEE Transactions on Visualization and Computer Graphics, pages 193-204, 2009

 

Explosion Diagrams in Augmented Reality Denis Kalkofen, Markus Tatzgern, Dieter Schmalstieg, IEEE Virtual Reality, pages 71-78, 2009

 

Adaptive Visualization in Outdoor Augmented Reality Displays Denis Kalkofen, Stefanie Zollmann, Gerhard Schall, Gerhard Reitmayr, Dieter Schmalstieg, The Going Out Workshop, IEEE International Symposium on Mixed, Augmented Reality (ISMAR), 2009

 

Visualization tool for improved accuracy in needle placement during percutaneous radio-frequency ablation of liver tumors Thomas Stüdeli, Denis Kalkofen, Petter Risholm, Ali Wajid, Eigil Samset, Medical Imaging 2008: Visualization, Image-Guided Procedures,, Modeling, SPIE Vol. 6918, 2008 

 

How do Interventionists Navigate to the Tumour Thomas Stüdeli, Denis Kalkofen, Adinda Freudenthal, Nordic Ergonomic Society Conference (NES), 2007

 

Interactive Focus and Context Visualization for Augmented Reality Denis Kalkofen, Erick Mendez, Dieter Schmalstieg, IEEE International Symposium on Mixed, Augmented Reality (ISMAR), pages 191-201, 2007 Best Student Paper

 

Integrated Medical Workflow for Augmented Reality Applications Denis Kalkofen, Bernhard Reitinger, Petter Risholm, Alexander Bornik, Reinhard Beichel, Dieter Schmalstieg, Eigil Samset, MICCAI Workshop on Augmented Environments for Medical Imaging, Computer-Aided Surgery (AMI-ARCS), 2006

  Interactive Context-driven Visualization Tools for Augmented Reality Erick Mendez, Denis Kalkofen, Dieter Schmalstieg, IEEE International Symposium on Mixed, Augmented Reality (ISMAR), pages 209--218, 2006
   

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