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Mirco Werner, Johannes Hanika, and Carsten Dachsbacher.
Optimized and aligned anisotropic Monte Carlo sampling patterns.
Computer Graphics Forum (Proceedings of Eurographics Symposium
on Rendering), 45(4), 2026.
[ bib pdf |
DOI ]
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Karl Sassie, Johannes Hanika, Lucas Alber, Reiner Dolp, and Carsten
Dachsbacher.
Optimizing vulkan dispatch schedules for real-time U-net denoising.
Proc. ACM Comput. Graph. Interact. Tech., 2026.
[ bib pdf |
DOI ]
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Dmitrii Klepikov, Johannes Hanika, and Carsten Dachsbacher.
Reliability-weighted averaging for real-time neural incident radiance
caching.
In Proceedings of the Winter School of Computer Graphics, 2026.
[ bib pdf |
DOI ]
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Jan-Luca Gutsch, Mikhail Dereviannykh, and Johannes Hanika.
On cosine prior distributions for neural path guiding.
In Przemyslaw Musialski and Isaak Lim, editors, Eurographics
2026 - Short Papers. The Eurographics Association, 2026.
[ bib pdf |
DOI ]
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Vincent Schüßler, Johannes Hanika, Basile Sauvage, Jean-Michel Dischler,
and Carsten Dachsbacher.
Selective caching in procedural texture graphs for path tracing.
In EGSR - Digital Library Only Track, 2025.
[ bib pdf add |
DOI ]
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Moritz Grauer, Johannes Hanika, and Carsten Dachsbacher.
Minimizing ray tracing memory traffic through quantized structures
and ray stream tracing, 2025.
[ bib pdf |
arXiv ]
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Lucas Alber, Johannes Hanika, and Carsten Dachsbacher.
Real-time Markov chain path guiding for global illumination and
single scattering.
Proc. ACM Comput. Graph. Interact. Tech., 8(1), 2025.
[ bib pdf website code mp4 mp4 |
DOI ]
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Mikhail Dereviannykh, Dmitrii Klepikov, Johannes Hanika, and Carsten
Dachsbacher.
Neural two-level Monte Carlo real-time rendering.
Computer Graphics Forum (Proceedings of Eurographics), 44(2),
2025.
[ bib pdf website |
DOI ]
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Luca Fascione and Johannes Hanika.
A study of observer metamerism for reflectance-induced stimuli.
In MAM-MANER 2024: Eurographics Workshop on Material Appearance
Modeling, 2024.
[ bib pdf slides mp4 ]
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Vincent Schüßler, Johannes Hanika, and Carsten Dachsbacher.
Bridge sampling for connections via multiple scattering events.
Computer Graphics Forum (Proceedings of Eurographics Symposium
on Rendering), 43(4), 2024.
[ bib pdf website |
DOI ]
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Reiner Dolp, Johannes Hanika, and Carsten Dachsbacher.
A fast gpu schedule for à-trous wavelet-based denoisers.
Proc. ACM Comput. Graph. Interact. Tech., 7(1), 2024.
[ bib pdf |
DOI ]
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Hisanari Otsu, Killian Herveau, Johannes Hanika, Derek Nowrouzezahrai, and
Carsten Dachsbacher.
Regional adaptive Metropolis light transport, 2024.
[ bib pdf |
arXiv ]
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Addis Dittebrandt, Vincent Schüßler, Johannes Hanika, Sebastian Herholz, and
Carsten Dachsbacher.
Markov chain mixture models for real-time direct illumination.
Computer Graphics Forum (Proceedings of Eurographics Symposium
on Rendering), 42(4), 2023.
[ bib pdf website mp4 |
DOI ]
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Marc Droske, Johannes Hanika, Jiří Vorba, Andrea Weidlich, and Manuele
Sabbadin.
Path tracing in production -- the path of water.
In ACM SIGGRAPH 2023 Courses, SIGGRAPH '23, 2023.
[ bib pdf |
DOI ]
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Weizhen Huang, Matthias Hullin, and Johannes Hanika.
A microfacet-based hair scattering model.
Computer Graphics Forum (Proceedings of Eurographics Symposium
on Rendering), 41(4), 2022.
[ bib pdf |
DOI ]
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Vincent Schüßler, Johannes Hanika, Alisa Jung, and Carsten Dachsbacher.
Path guiding with vertex triplet distributions.
Computer Graphics Forum (Proceedings of Eurographics Symposium
on Rendering), 41(4), 2022.
[ bib pdf website |
DOI ]
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Johannes Hanika, Andrea Weidlich, and Marc Droske.
Once-more scattered next event estimation for volume rendering.
Computer Graphics Forum (Proceedings of Eurographics Symposium
on Rendering), 41(4), 2022.
[ bib pdf slides website |
DOI ]
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Philippe Weier, Marc Droske, Johannes Hanika, Andrea Weidlich, and Jiří
Vorba.
Optimised path space regularisation.
Computer Graphics Forum (Proceedings of Eurographics Symposium
on Rendering), 40(4), 2021.
[ bib pdf add mp4 |
DOI ]
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Johannes Hanika.
Hacking the shadow terminator.
In Adam Marrs, Peter Shirley, and Ingo Wald, editors, Ray
Tracing Gems II. Apress, 2021.
[ bib pdf |
DOI ]
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Andrea Weidlich, Alex Forsythe, Scott Dyer, Thomas Mansencal, Johannes Hanika,
Alexander Wilkie, Luke Emrose, and Anders Langlands.
Spectral imaging in production.
In ACM SIGGRAPH 2021 Courses, SIGGRAPH '21, 2021.
[ bib pdf ]
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Johannes Hanika, Lorenzo Tessari, and Carsten Dachsbacher.
Fast temporal reprojection without motion vectors.
Journal of Computer Graphics Techniques (JCGT), 10(3):19--45,
September 2021.
[ bib pdf slides mp4 |
http ]
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Hisanari Otsu, Johannes Hanika, and Carsten Dachsbacher.
Portal-based path perturbation for Metropolis light transport.
In Proceedings of Vision, Modeling and Visualization, 2020.
[ bib pdf website ]
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Addis Dittebrandt, Johannes Hanika, and Carsten Dachsbacher.
Temporal sample reuse for next event estimation and path guiding for
real-time path tracing.
In EGSR - Digital Library Only Track, pages 39--51, 2020.
[ bib pdf |
DOI ]
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Lorenzo Tessari, Johannes Hanika, Carsten Dachsbacher, and Marc Droske.
Temporal normal distribution functions.
In EGSR - Digital Library Only Track, pages 1--12, 2020.
[ bib pdf |
DOI ]
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Alisa Jung, Johannes Hanika, and Carsten Dachsbacher.
Detecting bias in Monte Carlo renderers using Welch’s t-test.
Journal of Computer Graphics Techniques (JCGT), 9(2):1--25,
June 2020.
[ bib pdf |
http ]
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Alisa Jung, Johannes Hanika, and Carsten Dachsbacher.
Spectral mollification for bidirectional fluorescence.
Computer Graphics Forum (Proceedings of Eurographics), 39(2),
2020.
[ bib pdf |
DOI ]
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Emanuel Schrade, Johannes Hanika, and Carsten Dachsbacher.
Brute-force calculation of aperture diffraction in camera lenses.
Technical report, Karlsruhe Institute of Technology, 2019.
[ bib pdf ]
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Jiří Vorba, Johannes Hanika, Sebastian Herholz, Thomas Müller,
Jaroslav Křivánek, and Alexander Keller.
Path guiding in production.
In ACM SIGGRAPH 2019 Courses, SIGGRAPH '19, pages 18:1--18:77,
2019.
[ bib pdf website |
DOI ]
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Luca Fascione, Johannes Hanika, Daniel Heckenberg, Christopher Kulla, Marc
Droske, and Jorge Schwarzhaupt.
Path tracing in production: Part 1: Modern path tracing.
In ACM SIGGRAPH 2019 Courses, SIGGRAPH '19, pages 19:1--19:113,
2019.
[ bib pdf website |
DOI ]
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Wenzel Jakob, Andrea Weidlich, Andrew Beddini, Rob Pieké, Hanzhi Tang, Luca
Fascione, and Johannes Hanika.
Path tracing in production: Part 2: Making movies.
In ACM SIGGRAPH 2019 Courses, SIGGRAPH '19, pages 20:1--20:41,
2019.
[ bib pdf website |
DOI ]
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Christoph Peters, Sebastian Merzbach, Johannes Hanika, and Carsten Dachsbacher.
Using moments to represent bounded signals for spectral rendering.
Transactions on Graphics (Proceedings of SIGGRAPH), 38(4):14,
July 2019.
[ bib pdf add code |
DOI ]
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Christoph Peters, Sebastian Merzbach, Johannes Hanika, and Carsten Dachsbacher.
Spectral rendering with the bounded MESE and sRGB data.
In MAM2019: Eurographics Workshop on Material Appearance
Modeling, 2019.
[ bib pdf slides code ]
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Alisa Jung, Alexander Wilkie, Johannes Hanika, Wenzel Jakob, and Carsten
Dachsbacher.
Wide gamut spectral upsampling with fluorescence.
Computer Graphics Forum (Proceedings of Eurographics Symposium
on Rendering), 38(4), 2019.
[ bib pdf slides add |
DOI ]
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Wenzel Jakob and Johannes Hanika.
A low-dimensional function space for efficient spectral upsampling.
Computer Graphics Forum (Proceedings of Eurographics), 38(2),
March 2019.
[ bib pdf code |
DOI ]
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Jan Novák, Iliyan Georgiev, Johannes Hanika, Jaroslav Křivánek, and
Wojciech Jarosz.
Monte Carlo methods for physically based volume rendering.
In SIGGRAPH 2018 Courses, pages 14:1--14:1, 2018.
[ bib pdf |
DOI ]
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Luca Fascione, Johannes Hanika, Rob Pieké, Ryusuke Villemin, Christophe
Hery, Manuel Gamito, Luke Emrose, and André Mazzone.
Path tracing in production.
In SIGGRAPH 2018 Courses, pages 15:1--15:79, 2018.
[ bib pdf website |
DOI ]
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Alisa Jung, Johannes Hanika, and Carsten Dachsbacher.
A simple diffuse fluorescent BBRRDF model.
In MAM2018: Eurographics Workshop on Material Appearance
Modeling, 2018.
[ bib pdf ]
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Florian Simon, Johannes Hanika, Alisa Jung, and Carsten Dachsbacher.
Selective guided sampling with complete light transport paths.
Transactions on Graphics (Proceedings of SIGGRAPH Asia), 37(6),
December 2018.
[ bib pdf add mp4 |
DOI ]
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Hisanari Otsu, Johannes Hanika, Toshiya Hachisuka, and Carsten Dachsbacher.
Geometry-aware Metropolis light transport.
Transactions on Graphics (Proceedings of SIGGRAPH Asia), 37(6),
December 2018.
[ bib pdf add |
DOI ]
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Luca Fascione, Johannes Hanika, Mark Leone, Marc Droske, Jorge Schwarzhaupt,
Tomáš Davidovič, Andrea Weidlich, and Johannes Meng.
Manuka: A batch-shading architecture for spectral path tracing in
movie production.
Transactions on Graphics, 37(3), 2018.
[ bib pdf |
DOI ]
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Jan Novák, Iliyan Georgiev, Johannes Hanika, and Wojciech Jarosz.
Monte Carlo methods for volumetric light transport simulation.
Computer Graphics Forum (Eurographics State of the Art
Reports), 37(2):1--26, 2018.
[ bib pdf website |
DOI ]
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Tobias Zirr, Johannes Hanika, and Carsten Dachsbacher.
Reweighting firefly samples for improved finite-sample Monte Carlo
estimates.
Computer Graphics Forum, 37(6):410--421, 2018.
[ bib pdf |
DOI ]
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Vincent Schüssler, Eric Heitz, Johannes Hanika, and Carsten Dachsbacher.
Microfacet-based normal mapping for robust Monte Carlo path
tracing.
Transactions on Graphics (Proceedings of SIGGRAPH Asia),
36(6):205:1--205:12, November 2017.
[ bib pdf add add add code ]
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Lorenzo Tessari, Johannes Hanika, and Carsten Dachsbacher.
Local quasi-Monte Carlo exploration.
In Proceedings of the Eurographics Symposium on Rendering:
Experimental Ideas & Implementations, June 2017.
[ bib pdf |
DOI ]
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Florian Simon, Johannes Hanika, Tobias Zirr, and Carsten Dachsbacher.
Line integration for rendering heterogeneous emissive volumes.
Computer Graphics Forum (Proceedings of Eurographics Symposium
on Rendering), 36(4):101--110, June 2017.
[ bib pdf website add add ]
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Luca Fascione, Johannes Hanika, Marcos Fajardo, Per Christensen, Brent Burley,
Brian Green, Rob Pieké, Christopher Kulla, Christophe Hery, Ryusuke
Villemin, Daniel Heckenberg, and André Mazzone.
SIGGRAPH 2017 course notes: Path tracing in production (parts 1 and
2).
In SIGGRAPH Courses. Animal Logic, DreamWorks Animation, ILM,
MPC, Pixar, Solid Angle, Sony Imageworks, Walt Disney Animation Studios, Weta
Digital, August 2017.
[ bib pdf website ]
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Hisanari Otsu, Anton Kaplanyan, Johannes Hanika, Carsten Dachsbacher, and
Toshiya Hachisuka.
Fusing state spaces for Markov chain Monte Carlo rendering.
Transactions on Graphics (Proceedings of SIGGRAPH),
35(4):1--10, August 2017.
[ bib pdf website ]
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Pascal Weber, Johannes Hanika, and Carsten Dachsbacher.
Multiple vertex next event estimation for lighting in dense,
forward-scattering media.
Computer Graphics Forum (Proceedings of Eurographics),
36(2):21--30, April 2017.
[ bib pdf |
DOI ]
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Johannes Meng, Johannes Hanika, and Carsten Dachsbacher.
Improving the Dwivedi sampling scheme.
Computer Graphics Forum (Proceedings of Eurographics Symposium
on Rendering), 35(4):37--44, June 2016.
[ bib pdf add ]
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Emanuel Schrade, Johannes Hanika, and Carsten Dachsbacher.
Sparse high-degree polynomials for wide-angle lenses.
Computer Graphics Forum (Proceedings of Eurographics Symposium
on Rendering), 35(4):89--97, June 2016.
[ bib pdf slides add code ]
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Nicolas Holzschuch, Anton Kaplanyan, Johannes Hanika, and Carsten Dachsbacher.
Estimating local Beckmann roughness for complex BSDFs.
In SIGGRAPH 2016 Talks, pages 66:1--66:2, August 2016.
[ bib pdf ]
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Eric Heitz, Johannes Hanika, Eugene d'Eon, and Carsten Dachsbacher.
Multiple scattering microfacet BSDFs with the Smith model.
Transactions on Graphics (Proceedings of SIGGRAPH),
35(4):58:1--58:14, August 2016.
[ bib pdf slides website code ]
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Max-Gerd Retzlaff, Johannes Hanika, Jürgen Beyerer, and Carsten Dachsbacher.
Potential and challenges of using computer graphics for the
simulation of optical measurement systems.
In Sensoren und Messysteme, May 2016.
[ bib pdf ]
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Alexander Keller, Luca Fascione, Marcos Fajardo, Per Christensen, Johannes
Hanika, Christian Eisenacher, and Greg Nichols.
SIGGRAPH 2015 course notes: The path-tracing revolution in the
movie industry, August 2015.
[ bib pdf slides ]
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Johannes Hanika, Anton Kaplanyan, and Carsten Dachsbacher.
Improved half vector space light transport.
Computer Graphics Forum (Proceedings of Eurographics Symposium
on Rendering), 34(4):65--74, June 2015.
[ bib pdf slides ]
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Johannes Meng, Florian Simon, Johannes Hanika, and Carsten Dachsbacher.
Physically meaningful rendering using tristimulus colours.
Computer Graphics Forum (Proceedings of Eurographics Symposium
on Rendering), 34(4):31--40, June 2015.
[ bib pdf add ]
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Johannes Hanika, Marc Droske, and Luca Fascione.
Manifold next event estimation.
Computer Graphics Forum (Proceedings of Eurographics Symposium
on Rendering), 34(4):87--97, June 2015.
[ bib pdf slides avi |
DOI ]
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Clemens Roegner, Michael Wimmer, Johannes Hanika, and Carsten Dachsbacher.
Image-based reprojection using a non-local means algorithm.
Technical Report TR-186-2-05-2, Institute of Computer Graphics and
Algorithms, Vienna University of Technology, 2015.
[ bib pdf ]
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Florian Simon, Johannes Hanika, and Carsten Dachsbacher.
Rich-VPLs for improving the versatility of many-light methods.
Computer Graphics Forum (Proceedings of Eurographics),
34(2):575--584, May 2015.
[ bib pdf slides add mp4 ]
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Eugene d'Eon, Steve Marschner, and Johannes Hanika.
A fiber scattering model with non-separable lobes.
In SIGGRAPH 2014 Talks, pages 46:1--46:1, August 2014.
[ bib pdf add ]
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Alexander Wilkie, Sehera Nawaz, Marc Droske, Andrea Weidlich, and Johannes
Hanika.
Hero wavelength spectral sampling.
Computer Graphics Forum (Proceedings of Eurographics Symposium
on Rendering), 33(4):123--131, July 2014.
[ bib pdf |
DOI ]
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Anton Kaplanyan, Johannes Hanika, and Carsten Dachsbacher.
The natural-constraint representation of the path space for efficient
light transport simulation.
Transactions on Graphics (Proceedings of SIGGRAPH),
33(4):1--13, August 2014.
[ bib pdf add ]
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Johannes Hanika and Carsten Dachsbacher.
Efficient Monte Carlo rendering with realistic lenses.
Computer Graphics Forum (Proceedings of Eurographics),
33(2):323--332, April 2014.
[ bib pdf slides add ]
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Eugene d'Eon, Steve Marschner, and Johannes Hanika.
Importance sampling for physically-based hair fiber models.
In Proceedings SIGGRAPH ASIA technical briefs, 2013.
[ bib pdf ]
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Johannes Hanika, Alexander Keller, and Hendrik Lensch.
Method, system, and computer program product for efficient ray
tracing of micropolygon geometry, October 2013.
US Patent 8,570,322.
[ bib pdf ]
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Boris Ajdin, Manuel Finckh, Christian Fuchs, Johannes Hanika, and Hendrik
Lensch.
Compressive higher-order sparse and low-rank acquisition with a
hyperspectral light stage.
Technical report, Tübingen University, 2012.
[ bib pdf ]
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Johannes Hanika, Peter Hillman, Martin Hill, and Luca Fascione.
Camera space volumetric shadows.
In Proceedings of Digital Production Symposium, pages 7--14,
2012.
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Christoph Rößing, Johannes Hanika, and Hendrik Lensch.
Real-time disparity map-based pictorial depth cue enhancement.
Computer Graphics Forum (Proceedings of Eurographics),
31(2):275--284, 2012.
[ bib pdf ]
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Matthias Hullin, Johannes Hanika, and Wolfgang Heidrich.
Polynomial Optics: A construction kit for efficient ray-tracing of
lens systems.
Computer Graphics Forum (Proceedings of Eurographics Symposium
on Rendering), 31(4), July 2012.
[ bib pdf add code ]
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Johannes Hanika.
Spectral Light Transport Simulation using a Precision-based Ray
Tracing Architecture.
PhD thesis, Ulm University, 2011.
[ bib pdf ]
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Benjamin Steinert, Holger Dammertz, Johannes Hanika, and Hendrik Lensch.
General spectral camera lens simulation.
Computer Graphics Forum (presented at Eurographics),
30(6):1643--1654, 2011.
[ bib pdf ]
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Johannes Hanika, Holger Dammertz, and Hendrik Lensch.
Edge-optimized à-trous wavelets for local contrast enhancement with
robust denoising.
Computer Graphics Forum (Proceedings of Pacific Graphics),
30(7):1879--1886, 2011.
[ bib pdf ]
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Johannes Hanika, Alexander Keller, and Hendrik Lensch.
Two-level ray tracing with reordering for highly complex scenes.
In Proceedings of Graphics Interface, pages 145--152, 2010.
[ bib pdf ]
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Christoph Schied, Johannes Hanika, Holger Dammertz, and Hendrik Lensch.
High performance iterated function systems.
In GPU Computing Gems Emerald Edition, pages 263--276. Morgan
Kaufmann, 2010.
[ bib pdf ]
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Stefan Menz, Holger Dammertz, Johannes Hanika, Hendrik Lensch, and Michael
Weber.
Graphical interface models for procedural mesh growing.
In Proceedings of Vision, Modeling and Visualization, pages
17--24, 2010.
[ bib pdf ]
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Matthias Hullin, Johannes Hanika, Boris Ajdin, Jan Kautz, Hans-Peter Seidel,
and Hendrik Lensch.
Acquisition and analysis of bispectral bidirectional reflectance and
reradiation distribution functions.
Transactions on Graphics (Proceedings of SIGGRAPH), 29(4):1--7,
2010.
[ bib pdf |
DOI ]
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Holger Dammertz, Daniel Sewtz, Johannes Hanika, and Hendrik Lensch.
Edge-avoiding à-trous wavelet transform for fast global
illumination filtering.
In Proceedings of High Performance Graphics, pages 67--75,
2010.
[ bib pdf ]
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Holger Dammertz and Johannes Hanika.
Plane sampling for light paths from the environment map.
journal of graphics, gpu and game tools, 14(2):25--31, 2009.
[ bib pdf add ]
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Holger Dammertz, Johannes Hanika, Alexander Keller, and Hendrik Lensch.
A hierarchical automatic stopping condition for Monte Carlo global
illumination.
In Proceedings of the Winter School of Computer Graphics, pages
159--164, 2009.
[ bib pdf ]
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Holger Dammertz, Johannes Hanika, and Alexander Keller.
Shallow bounding volume hierarchies for fast SIMD ray tracing of
incoherent rays.
Computer Graphics Forum (Proceedings of Eurographics Symposium
on Rendering), 27(4):1225--1234, 2008.
[ bib pdf ]
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Marion Bendig, Johannes Hanika, Holger Dammertz, Jan Christoph Goldschmidt,
Marius Peters, and Michael Weber.
Simulation of fluorescent concentrators.
In Proceedings of IEEE/EG Symposium on Interactive Ray
Tracing, pages 93--98, 2008.
[ bib pdf ]
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Matthias Raab, Johannes Hanika, Manuel Finkch, Leonhard Grünschloß and
Alexander Keller.
Benchmarking ray tracing for realistic light transport algorithms.
Technical report, Ulm University, 2007.
http://bwfirt.sourceforge.net/.
[ bib pdf ]
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Johannes Hanika.
Fixed point hardware ray tracing.
Master's thesis, Ulm University, 2007.
[ bib pdf ]
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Leonhard Grünschloß, Johannes Hanika, Ronnie Schwede, and Alexander
Keller.
(t,m,s)-nets with maximized minimum distance.
In Proceedings of Monte Carlo and Quasi-Monte Carlo
Methods 2006, pages 397--412. Springer, 2008.
[ bib pdf code ]
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Johannes Hanika and Alexander Keller.
Towards hardware ray tracing using fixed point arithmetic.
In Proceedings of IEEE/EG Symposium on Interactive Ray
Tracing, pages 119--128, 2007.
[ bib pdf ]
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