Photo by Eugene Hsu.

Dr. Jaakko Lehtinen Researcher Helsinki University of Technology P.O.BOX 5400 02015 TKK, Finland Room: A141 Email: jaakkotml.hut.fi URL: http://www.tml.hut.fi/~jaakko

Events

• I recently joined the MIT Graphics Group. See my homepage at MIT.

• I obtained my doctorate on September 24 and will join the MIT Graphics Group in Cambridge, MA as a Postdoctoral Fellow with Frédo Durand in November 2007.

• I defended my doctoral dissertation on Friday August 31, 2007. My opponent was Dr.-Ing. Hendrik Lensch of MPI Saarbrücken.

Professional Interests

Mathematical methods of Computer Graphics.

Publications

Refereed Journals and Conferences

		A Meshless Hierarchical Representation for Light Transport. Jaakko Lehtinen, Matthias Zwicker, Emmanuel Turquin, Janne Kontkanen, Frédo Durand, François Sillion, and Timo Aila. ACM Transactions on Graphics 27(3) (Proc. SIGGRAPH 2008), to appear. [Abstract] [Bibtex] [PDF]
		Incremental Instant Radiosity for Real-Time Indirect Illumination. Samuli Laine, Hannu Saransaari, Janne Kontkanen, Jaakko Lehtinen, and Timo Aila 2007. In Rendering Techniques 2007 (Proc. Eurographics Symposium on Rendering), pp. 277-286. [Abstract] [Bibtex] [PDF]
		A Framework for Precomputed and Captured Light Transport. Jaakko Lehtinen 2007. ACM Transactions on Graphics 26(4), pp. 13:1-13:22. [Abstract] [Bibtex] [PDF]
		An Improved Physically-Based Soft Shadow Volume Algorithm. Jaakko Lehtinen, Samuli Laine, and Timo Aila 2006. Computer Graphics Forum 25(3) (Proc. Eurographics 2006). [Abstract] [Bibtex] [PDF]
		Soft Shadow Volumes for Ray Tracing. Samuli Laine, Timo Aila, Ulf Assarsson, Jaakko Lehtinen, and Tomas Akenine-Möller 2005. ACM Transactions on Graphics 24(3) (Proc. SIGGRAPH 2005). See our EG 2006 paper for improvements. [Abstract] [Bibtex] [Slides] [PDF]
		Hemispherical Rasterization for Self-Shadowing of Dynamic Objects. Jan Kautz, Jaakko Lehtinen, and Timo Aila 2004. In Rendering Techniques 2004 (Proc. Eurographics Symposium on Rendering), pp. 179-184. [Abstract] [Bibtex] [PDF]
		Matrix Radiance Transfer. Jaakko Lehtinen and Jan Kautz 2003. In proc. ACM SIGGRAPH 2003 Symposium on Interactive 3D Graphics, pp. 59-64. [Abstract] [Bibtex] [PDF]
		Integrating Quality Measures with Element Approval. Harri Hakula and Jaakko Lehtinen 2003. Proc. 4th Symposium on Trends in Unstructured Mesh Generation.

Technical Reports

• Jaakko Lehtinen, Matthias Zwicker, Janne Kontkanen, Emmanuel Turquin, François Sillion, and Timo Aila 2007. Meshless Finite Elements for Hierarchical Global Illumination. Technical Report TML-B7, Publications in Telecommunications Software and Multimedia, Helsinki University of Technology.
  [Project page]

Theses

• Jaakko Lehtinen 2007. Theory and Algorithms for Efficient Physically-Based Illumination. Doctoral dissertation. Publications in Telecommunications Software and Multimedia TML-A20, Helsinki University of Technology.
  [Official webpage]
• Jaakko Lehtinen 2004. Foundations of Precomputed Radiance Transfer. Master's thesis, Helsinki University of Technology, September 2004.
  [PDF]

Course Notes

• Jan Kautz, Jaakko Lehtinen, and Peter-Pike Sloan 2005. Precomputed Radiance Transfer: Theory and Practice. Course #18, SIGGRAPH 2005.
  [Slides]

I Work With

• Timo Aila
• Janne Kontkanen
• Samuli Laine
• Matthias Zwicker
• Emmanuel Turquin
• François Sillion
• The Graphics Group at the Helsinki University of Technology

Projects

• Alan Wake, Max Payne 2 and Max Payne at Remedy Entertainment, where I work as a senior graphics programmer.

Links

• My photos on Flickr (see also Frédo's and Wili's, and the group we set up for Computer Graphics People.)
• Strong Bad email