Interests

• Ray Tracing for Photorealistic Image Synthesis
• Scientific Computing
• Monte Carlo and quasi-Monte Carlo methods
• Numerical Precision
• Now working for weta digital

[PhD] Spectral light transport simulation using a precision-based ray tracing architecture, Johannes Hanika, PhD thesis, 2011.

[atrousGIfilter] Edge-Avoiding A-Trous Wavelet Transform for fast Global Illumination Filtering, Holger Dammertz, Daniel Sewtz, Johannes Hanika, Hendrik Lensch; to be presented at HPG 2010.

[BRRDF]Acquisition and Analysis of Bispectral Bidirectional Reflectance and Reradiation Distribution Functions, Matthias Hullin, Johannes Hanika, Boris Ajdin, Jan Kautz, Hans-Peter Seidel, and Hendrik Lensch,to appear in: proceedings of SIGGRAPH 2010.

[rayes] Two-Level ray Tracing with Reordering for Highly Complex Scenes, Johannes Hanika, Alexander Keller, and Hendrik Lensch, p. 145-152 in: Proceedings of Graphics Interface 2010.

[automaticStopping]A Hierarchical Automatic Stopping Condition for Monte Carlo Global Illumination, Holger Dammertz, Johannes Hanika, Alexander Keller, Hendrik Lensch; Full Papers Proceedings of the WSCG 2010, p. 159-164.

[planes] Plane Sampling for Light Paths from the Environment Map Holger Dammertz, and Johannes Hanika,in journal of graphics, gpu, and game tools, volume 14, number 2, pp 25-31, 2009.

[fluko] Simulation of Fluorescent Concentrators (slightly extended), Marion Bendig, Johannes Hanika, Holger Dammertz, Jan Christoph Goldschmidt, Marius Peters, Michael Weber, p. 93-98 in: Interactive Ray Tracing 2008

[QBVH] Shallow Bounding Volume Hierarchies for Fast SIMD Ray Tracing of Incoherent Rays, Holger Dammertz, Johannes Hanika and Alexander Keller, p. 1225-1234 in: Computer Graphics Forum (Proc. 19th Eurographics Symposium on Rendering), 2008

[dreggn2] Fixed Point Hardware Ray Tracing Johannes Hanika, Diplomarbeit, Ulm University, 2007 [IntRT2] Towards Hardware Ray Tracing using Fixed Point Arithmetic, Johannes Hanika and Alexander Keller p. 119-128 in: Interactive Ray Tracing 2007 [NetSearch] (t,m,s)-Nets with Maximized Minimum Distance, Leonhard Grünschloß, Johannes Hanika, Ronnie Schwede and Alexander Keller, p. 397-412 in: Monte Carlo and Quasi-Monte Carlo Methods 2006, Springer, 2008 [source code]

[bwfirt] Benchmarking Ray Tracing for Realistic Light Transport Algorithms
with Matthias Raab, Leonhard Grünschloß, Manuel Finckh and Alexander Keller, 2007

http://darktable.sf.net[darktable] Utility to organize and develop raw images

2009