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Dr.-Ing. Tobias Ritschel

Max-Planck-Institut für Informatik
Department 4: Computer Graphics
Building 46.1
Campus E1 4
66123 Saarbrücken
Germany

Email: Get my email address via email

• May 2012:
  I became a senior researcher at the MPI Informatik, heading a group that investigates efficient rendering, intuitive three-dimesional design interfaces as well as perceptual and artistic content manipulation.
• April 2011:
  My Ph.D. thesis was awarded the Eurographics Thesis Award 2011 (1 of 3)
• May 2010:
  I became a Postdoctoral researcher at the CG Group, Télécom ParisTech (CNRS), Paris, France.
• December, 20th 2009:
  I defended my Ph.D. thesis „Perceptually-motivated, Interactive Rendering and Editing of Global Illumination”

Research Interests

• Interactive Global Illumination Rendering
• GPU Programming
• Perception (Color, Depth, Contrast)
• GPU Geometry Processing

Selected Publications

2012
	Highlight Microdisparity for Improved Gloss Depiction Krzysztof Templin, Piotr Didyk, Tobias Ritschel, Karol Myszkowski, Hans-Peter Seidel ACM Trans. Graph 31(4) (Proc. SIGGRAPH 2012, Los Angeles) TBD
	State of the Art in Interactive Global Illumination Tobias Ritschel, Thorsten Grosch, Carsten Dachsbacher, Jan Kautz Comput. Graph. Forum. 31(?) (to appear) PDF BibTeX
	A Computational Model of Afterimages Tobias Ritschel, Elmar Eisemann Comput. Graph. Forum 31(2) (Proc. Eurographics 2012, Cagliari / Italy, 13–18 May). PDF Project Page
	Exploring Shape Variations by 3D-Model Decomposition and Part-based Recombination Arjun Jain, Thorsten Thormählen, Tobias Ritschel, Hans-Peter Seidel Comput. Graph. Forum 31(2) (Proc. Eurographics 2012, Cagliari / Italy, 13–18 May). PDF Project Page
	3D Material Style Transfer Chuong Nguyen, Tobias Ritschel, Elmar Eisemann, Karol Myszkowski, Hans-Peter Seidel Comput. Graph. Forum 31(2) (Proc. Eurographics 2012, Cagliari / Italy, 13–18 May). PDF Project Page
	Pre-convolved Radiance Caching Daniel Scherzer, Chuong Nguyen, Tobias Ritschel, Hans-Peter Seidel Comp. Graph. Forum 31 (?)(Proc. EGSR 2012, Paris, 4–6 June 2012) (Conditionally accepted) TBD
	Virtual Passepartouts Tobias Ritschel, Krzysztof Templin, Karol Myszkowski, Hans-Peter Seidel Proc. NPAR 2012, Annecy/France, 4–6 June 2012 TBD
	Interactive Cloud Rendering Using Temporally-Coherent Photon Mapping Oskar Elek, Tobias Ritschel, Alexander Wilkie, Hans-Peter Seidel Proc. Graphics Interface 2012, Toronto/Canada, 28–30 May 2012 TBD
	Apparent Stereo: The Cornsweet Illusion Can Enhance Perceived Depth Piotr Didyk, Tobias Ritschel, Elmar Eisemann, Karol Myszkowski, Hans-Peter Seidel Proc. Human Vision and Electronic Imaging XVI, IS&T/SPIE's Symposium on Electronic Imaging, Burlingame/CA, 22–26 January 2012 PDF BiBteX Project Page
2011
	A Perceptual Model for Disparity Piotr Didyk, Tobias Ritschel, Elmar Eisemann, Karol Myszkowski, Hans-Peter Seidel ACM Trans. Graph. 30(3), August 2011 (Proc. SIGGRAPH 2011, Vancouver / Canada). PDF Video BibTeX Project Page
	Edge-Aware Color Appearance Min H. Kim, Tobias Ritschel, Jan Kautz ACM Trans. Graph. 30(2), August 2011 (Presented at SIGGRAPH 2011, Vancouver / Canada). PDF
	Computer-suggested Facial Makeup Kristina Scherbaum, Tobias Ritschel, Matthias Hullin, Thorsten Thormählen, V. Blanz, Hans-Peter Seidel Comput. Graph. Forum (Proc. Eurographics 2011, Llandudno / UK), 2011. PDF Video BibTeX Project Page
	ManyLoDs: Parallel Many-View Level-of-Detail Selection for Real-Time Global Illumination Matthias Holländer, Tobias Ritschel, Elmar Eisemann, Tamy Boubekeur Comput. Graph. Forum (Proc. EGSR. Prague, 27–29 June 2011) PDF Video Project Page
	Making Imperfect Shadow Maps View-Adaptive: High-Quality Global Illumination in Large Dynamic Scenes Tobias Ritschel, Elmar Eisemann, Inwoo Han, James D. K Kim, Hans-Peter Seidel Comput. Graph. Forum (Presented at EGSR. Prague, 27–29 June 2011) PDF Video
	Bent Normals and Cones in Screen-space Oliver Klehm, Tobias Ritschel, Elmar Eisemann, Hans-Peter Seidel Proc. VMV. Berlin, 4–6 October 2011 PDF Video
	Apparent Resolution Enhancement for Animations Krzysztof Templin, Piotr Didyk, Tobias Ritschel, Elmar Eisemann, Karol Myszkowski, Hans-Peter Seidel Proc. Spring Conference on Computer Graphics. Vinicne / Slovak Republic, 28–30 April 2011 PDF Project Page
	Separable Ambient Occlusion Jing Huang, Tamy Boubekeur, M. Holländer, Tobias Ritschel, Elmar Eisemann Proc. Eurographics 2011 (Short Paper), Llandudno / UK, 2011. PDF
2010
	Interactive On-surface Signal Deformation Tobias Ritschel, Thorsten Thormählen, Carsten Dachsbacher, Jan Kautz, Hans-Peter Seidel ACM Trans. Graph. 29(4) (Proc. SIGGRAPH 2010, Los Angeles), 2010. PDF Video BibTeX Project Page
	Apparent Display Resolution Enhancement for Moving Images Piotr Didyk, Elmar Eisemann, Tobias Ritschel, Karol Myszkowski, Hans-Peter Seidel ACM Trans. Graph. 29(4) (Proc. SIGGRAPH 2010, Los Angeles), 2010. PDF Video BibTeX Project Page
	Perceptually-motivated Real-time Temporal Upsampling of 3-D Content for High-refresh-rate Displays Piotr Didyk, Elmar Eisemann, Tobias Ritschel, Karol Myszkowski, Hans-Peter Seidel Comput. Graph. Forum (Proc. Eurographics 2010, Norrköping, Sweden), 2010. PDF AVI BibTeX Project Page
	Adaptive Image-space Stereo Synthesis Piotr Didyk, Tobias Ritschel, Elmar Eisemann, Karol Myszkowski, Hans-Peter Seidel Proc. VMV 2010, 15–17. November 2010, Siegen, Germany PDF AVI BibTeX Project Page
	Camera Animation Style Transfer Christian Kurz, Tobias Ritschel, Elmar Eisemann, Thorsten Thormählen, Hans-Peter Seidel Proc. CVMP 2010, 17–18. November 2010, London, UK PDF AVI
2009
	Micro-Rendering for Scalable, Parallel Final Gathering Tobias Ritschel, Thomas Engelhardt, Thorsten Grosch, Hans-Peter Seidel, Jan Kautz, Carsten Dachsbacher ACM Trans. Graph. 28(5) (Proc. SIGGRAPH Asia 2009), 2009. PDF AVI BibTeX Project Page
	Interactive Reflection Editing Tobias Ritschel, Makoto Okabe, Thorsten Thormählen, Hans-Peter Seidel ACM Trans. Graph. 28(5) (Proc. SIGGRAPH Asia 2009), 2009. PDF AVI BibTeX Project Page
	Perceptual Influence of Approximate Visibility in Indirect Illumination Insu Yu, Andrew Cox, Min H. Kim, Tobias Ritschel, Thorsten Grosch, Carsten Dachsbacher, Jan Kautz ACM Trans. Applied Perception (Presented at APGV 2009, Chania, Crete), 2009 PDF
	Temporal Glare: Real-Time Dynamic Simulation of the Scattering in the Human Eye Tobias Ritschel, Matthias Ihrke, Jeppe R. Frisvad, Joris Coppens, Karol Myszkowski, Hans-Peter Seidel Comput. Graph. Forum (Proc. Eurographics 2009. Munich, 30 March–3 April), 2009 PDF AVI BibTeX Project Page
	Approximating Dynamic Global Illumination in Image Space Tobias Ritschel, Thorsten Grosch, Hans-Peter Seidel Proc. ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games (I3D) 2009 PDF AVI BibTeX Project Page
	Real-time Indirect Illumination with Clustered Visibility Zhao Dong, Thorsten Grosch, Tobias Ritschel, Jan Kautz, Hans-Peter Seidel Proc. VMV 2009, 16–18. November 2009, Braunschweig / Germany PDF AVI
	A Perceptual Evaluation of 3D Unsharp Masking Matthias B. Ihrke, Tobias Ritschel, Kaleigh Smith, Thorsten Grosch, Karol Myszkowski, Hans-Peter Seidel Proc. Human Vision and Electronic Imaging XIII, 2009 PDF BibTeX Project Page
2008
	Imperfect Shadow Maps for Efficient Computation of Indirect Illumination Tobias Ritschel, Thorsten Grosch, Min H. Kim, Hans-Peter Seidel, Carsten Dachsbacher, Jan Kautz ACM Trans. Graph. 27(5) (Proc. SIGGRAPH Asia 2008), 2008. PDF AVI BibTeX Project Page
	3D Unsharp Masking for Scene Coherent Enhancement Tobias Ritschel, Kaleigh Smith, Matthias Ihrke, Thorsten Grosch, Karol Myszkowski, Hans-Peter Seidel: ACM Trans. Graph. 27(3) (Proc. SIGGRAPH 2008), 2008. PDF AVI BibTeX Project Page
	Interactive Global Illumination Based on Coherent Surface Shadow Maps Tobias Ritschel, Thorsten Grosch, Jan Kautz, Hans-Peter Seidel: Proc. Graphics Interface, May 2008 PDF AVI BibTeX
2007
	Interactive Illumination with Coherent Shadow Maps Tobias Ritschel, Thorsten Grosch, Jan Kautz, Stefan Müller Proc. Eurographics Symposium on Rendering 2007. Grenoble, June 25–27, 2007 PDF AVI BibTeX
	Fast GPU-based Visibility Computation for Natural Illumination of Volume Data Sets. Tobias Ritschel Proc. Eurographics 2007 (Short Paper). Prague, September 3–7, 2007 PDF AVI BibTeX
2006
	On-line Estimation of Diffuse Materials. Tobias Ritschel, Thorsten Grosch Proc. 3. GI-Fachtagung VR/AR. Koblenz, September 25–26, 2006 PDF AVI
	Multiresolution GPU Mesh Painting. Tobias Ritschel, Mario Botsch, Stefan Müller Proc. Eurographics 2006 (Short Paper). Vienna, September 4–8, 2006 PDF AVI
	Physikalische Simulation virtueller Charaktere durch Feder-Masse-Systeme am Beispiel einer "Virtuellen Marionette" Tobias Ritschel, Stefan Müller Proc. 2. GI-Fachtagung VR/AR. Aachen, September 26–27, 2005 (German) PDF AVI

Recent Positions

• May 2010 — ongoing:
  Postdoctoral researcher.
  CG Group, Télécom ParisTech (CNRS), Paris, France
  
• September 2007 — December 2009:
  Ph.D. student.
  Computer Science at the Universität des Saarlandes, Saarbrücken, Germany and the Max-Planck-Institut für Informatik
  
• May 2007 — September 2007:
  Research and development.
  Mudbox, a digital sculpting software used in feature films like King Kong, acquired by Autodesk in September 2007.
• November 2005 — December 2006:
  Student assistant.
  Computer graphics at the University Koblenz-Landau.
• 1999 — 2007:
  Freelancing
  3D programming and animation, web programming, graphic design. (For a client list see my freelancing CV (PDF).

Education

• September 2010 — December 2009:
  Ph.D. (Dr.-Ing.) in Computer Science at the Universität des Saarlandes, Saarbrücken, Germany and the Max-Planck-Institut für Informatik
  Title of Ph.D. thesis: „Perceptually-motivated, Interactive Rendering and Editing of Global Illumination” (PDF)
  Supervisor: Prof. Dr. Hans-Peter Seidel
• April 2001 — January 2007:
  Studies in Computer Science at the University of Koblenz
  Title of Master's Thesis (Diplomarbeit): „Coherent Shadow Maps for Interactive High Quality Illumination”
  Supervisor: Prof. Dr. Stefan Müller
• June 1998:
  (A-level) Abitur at the Free Waldorf School, Wiesbaden

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