Popov, Stefan, Georgiev, Iliyan, Slusallek, Philipp and Dachsbacher, Carsten
Adaptive Quantization Visibility Caching
Computer Graphics Forum, 32(2)
Klein, Felix, Sons, Kristian, Rubinstein, Dmitri and Slusallek, Philipp
XML3D and Xflow: Combining Declarative 3D for the Web with Generic Data Flows
Computer Graphics and Applications, IEEE, 33(5):38-47
ISSN: 0272-1716

Keywords: Cascading style sheets;Data processing;HTML;Interactive systems;Three-dimensional displays;XML;River Trail;Web3D;WebGL;XML3D;Xflow;computer graphics;data processing;parallel JavaScript


Jochem, Rainer and Götz, Marcus
Towards Interactive 3D City Models on the Web
International Journal of 3-D Information Modeling (IJ3DIM), 1(3):26-36
August 2012
ISSN: 2156-1710

Keywords: 3D City Models, Crowdsourced Geodata, Extensible Markup Language 3D (XML3D), Openstreetmap (OSM), Volunteered Geographic Information (VGI), Web-Based Cartography

Abstract: A ubiquitous accessibility of data over the Web nowadays is very common. Although the Web, 3D graphics, and geographic data are crossing their ways, common applications are typically based on technologies that are rather esoteric to most web-developers. Nevertheless, in the last couple of months, some efforts towards a seamless integration of 3D graphics into common Web browsers have been performed. Regarding the data of such applications, they are mostly proprietary and commercial data, which are collected by professional cartographers or surveyors. Nevertheless, following the Web 2.0 approach, within the last five years the trend of Volunteered Geographic Information (VGI) became popular, describing an ever expanding range of users who voluntarily and collaboratively collect geographic data. Trying to merge the mentioned trends and desires, within this paper the authors present a way to transform the crowdsourced OpenStreetMap data into a 3D city model. Contrary to other existing approaches towards OpenStreetMap 3D, they combine emerging and established Web technologies, allowing an easy consumption in arbitrary web browsers. The applied technologies are easy to learn and understand by the web community and allow for quick prototyping, and creating mash-ups with further spatially enabledWeb2.0 data.

Byelozyorov, Sergiy, Jochem, Rainer, Pegoraro, Vincent and Slusallek, Philipp
From real cities to virtual worlds using an open modular architecture
The Visual Computer,
May 2012
Georgiev, Iliyan, Krivanek, Jaroslav, Popov, Stefan and Slusallek, Philipp
Importance Caching for Complex Illumination
Computer Graphics Forum, 31(2)
Kalojanov, Javor, Bokeloh, Martin, Wand, Michael, Guibas, Leonidas, Seidel, Hans-Peter and Slusallek, Philipp
Microtiles: Extracting Building Blocks from Correspondences
Computer Graphics Forum, 31(5):1597-1606

Abstract: In this paper, we develop a theoretical framework for characterizing shapes by building blocks. We address two questions: First, how do shape correspondences induce building blocks? For this, we introduce a new representation for structuring partial symmetries (partial self-correspondences), which we call "microtiles". Starting from input correspondences that form point-wise equivalence relations, microtiles are obtained by grouping connected components of points that share the same set of symmetry transformations. The decomposition is unique, requires no parameters beyond the input correspondences, and encodes the partial symmetries of all subsets of the input. The second question is: What is the class of shapes that can be assembled from these building blocks? Here, we specifically consider r-similarity as correspondence model, i.e., matching of local r-neighborhoods. Our main result is that the microtiles of the partial r-symmetries of an object S can build all objects that are (r+e)-similar to S for any e>0. Again, the construction is unique. Furthermore, we give necessary conditions for a set of assembly rules for the pairwise connection of tiles. We describe a practical algorithm for computing microtile decompositions under rigid motions, a corresponding prototype implementation, and conduct a number of experiments to visualize the structural properties in practice.

Davidovic, Tomas, Engelhardt, Thomas, Georgiev, Iliyan, Slusallek, Philipp and Dachsbacher, Carsten
3D Rasterization: A Bridge between Rasterization and Ray Casting
Proceedings of the 2012 Graphics Interace Conference, :201 - 208
ISBN: 978-1-4503-1420-6
Davidovic, Tomas, Georgiev, Iliyan and Slusallek, Philipp
Progressive Lightcuts for GPU
ACM SIGGRAPH 2012 Talks,
ISBN: 978-1-4503-1683-5
Georgiev, Iliyan, Krivanek, Jaroslav, Davidovic, Tomas and Slusallek, Philipp
Light Transport Simulation with Vertex Connection and Merging
ACM Trans. Graph., 31:XXX:1--XXX:10
ISSN: 0730-0301

Note: SIGGRAPH Asia 2012


Kalojanov, Javor, Billeter, Markus and Slusallek, Philipp
Two-Level Grids for Ray Tracing on GPUs
Computer Graphics Forum,
April 2011
Brownlee, Carson, Pegoraro, Vincent, Shankar, Siddharth, McCormick, Patrick S. and Hansen, Charles D.
Physically-Based Interactive Flow Visualization Based on Schlieren and Interferometry Experimental Techniques
IEEE Transactions on Visualization and Computer Graphics, 17(11):1574-1586
Schott, Mathias, Grosset, A. V. Pascal, Martin, Tobias O., Pegoraro, Vincent, Smith, Sean T. and Hansen, Charles D.
Depth of Field Effects for Interactive Direct Volume Rendering
Computer Graphics Forum (Proceedings of the 13th Eurographics Symposium on Visualization), 30(3):941-950
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