Computer Graphics and Visualization › Publications

2009

The magnitudes of the actual offsets for one test
Rene van den Berg, J. Manuel Rejen, and Rafael Bidarra
Collision Avoidance between Avatars of Real and Virtual Individuals
In Proceedings of MIG, 2009
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(a) A polyp with its surrounding environment. (b) Example of the curvature streamlines generated in the vicinity of the polyp.
V.F. van Ravesteijn, Lingxiao Zhao, Charl P. Botha, Frits H. Post, F.M. Vos, and L.J. van Vliet
Combining Mesh, Volume, and Streamline Representations for Polyp Detection in CT Colonography
In Proceedings of ISBI, 2009
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Our technique renders complex scenes consisting of billions of voxels in real time and supports soft shadows, instancing, high-quality filtering, and depth-of-field effects
Cyril Crassin, Fabrice Neyret, Sylvain Lefebvre, Miguel Sainz, and Elmar Eisemann
Beyond triangles: gigavoxels effects in video games
In Proceedings of SIGGRAPH Posters, 2009
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(a) In CT images, PE appears as a dark region inside the pulmonary arteries. (b) Lymphoid tissue and PE can have the same intensity.
H. Bouma, J.J. Sonnemans, Anna Vilanova, and F.A. Gerritsen
Automatic Detection of Pulmonary Embolism in CTA Images
IEEE Trans Medical Imaging, 2009
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Bitmap to vector conversion techniques such as LiveTrace (in Illustrator) lack accuracy and lack a layering structure.
Elmar Eisemann, Sylvain Paris, and Fredo Durand
A visibility algorithm for converting 3D meshes into editable 2D vector graphics
ACM Transactions on Graphics, 2009
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While placing level components (green), the level designer is made constantly aware of the navigation space. Convex walkable areas (orange) are connected through walk links (purple) and jump links (yellow)
Leonard van Driel and Rafael Bidarra
A Semantic Navigation Model for Video Games
In Proceedings of MIG, 2009
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Enhancing the visualization with texture reveals various properties of the deformation field, such as a rotational component in this synthetic saddle point deformation (1283 ). Colors in the last two figures go from blue (low) to orange (high).
Stef Busking, Charl P. Botha, and Frits H. Post
Direct Visualization of Deformation in Volumes
Computer Graphics Forum, 2009
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The hierarchical nature of the watershed scale-space segmentation. Different basins are linked to the ones above. Colours indicate different regions. Red outline indicates the original five regions.
P. Rodrigues, A.C. Jalba, P. Fillard, Anna Vilanova, and B.M. ter Haar Romeny
A multi-resolution watershed-based approach for the segmentation of diffusion tensor images
In Proceedings of MICCAI Workshop on Diffusion Modelling, 2009
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Upper row: volume reconstructions with a vertical cut through the middle of the nut, revealing the shell structure as well as the knot sandwiched between the outer and inner shells. Note the openings in the outer shell. Lower row: volume reconstruction of the outer shell with Gothic motif.
Peter Reischig, Jorik Blaas, Charl P. Botha, Alberto Bravin, Liisa Porra, et al.
A note on medieval microfabrication: the visualization of a prayer nut by synchrotron-based computer X-ray tomography
J Synchrotron Radiat, 2009
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Generating stereo frames using our upsampling
Piotr Didyk, Elmar Eisemann, Tobias Ritschel, Karol Myszkowski, and Hans-Peter Seidel
A question of time: importance and possibilities of high refresh-rates
In Proceedings of Intel Visual Computing Research Conference, 2009
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A user working on the virtual environment running on our Virtual Workbench
T. Heus, H.J.J. Jonker, H.E.A. van den Akker, Eric Griffith, Michal Koutek, and Frits H. Post
A statistical approach to the life cycle analysis of cumulus clouds selected in a virtual reality environment
Journal of Geophysical Research-Atmospheres, 2009
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Comparison plot for changing shapes for Spnl
T.H.J.M. Peeters, Karina Rodriguez, Anna Vilanova, and B.M. ter Haar Romeny
Analysis of distance/similarity measures for diffusion tensor imaging
Visualization and processing of tensor fields : advances and perspectives, 2009
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Experiencing the engineering challenges of game development
Rafael Bidarra
Experiencing the engineering challenges of game development
In Proceedings of 37th Engineering Education Conference SEFI 2009, 2009
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Example of the out-of-focus effect with our approximate algorithm.
Cyril Crassin, Fabrice Neyret, and Elmar Eisemann
Building with bricks: cuda-based gigavoxel rendering
In Proceedings of Intel Visual Computing Research Conference, 2009
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Notations for the derivation (Inlay). A point is either lit (a) or shadowed (b, c). In the latter case, we further distinguish between penumbra (b) and umbra (c), depending on whether the light source is only partially or completely hidden.
Elmar Eisemann, Ulf Assarsson, Michael Schwarz, and Michael Wimmer
Casting Shadows in Real Time
In Proceedings of ACM SIGGRAPH ASIA 2009 Courses, 2009
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In vivo results of the brain area of corpus callosum and corona radiate.
V. Prckovska, Alard F. Roebroeck, Pim Pullens, Anna Vilanova, and B.M. ter Haar Romeny
The effect of the acquisition parameters for high angular resolution diffusion imaging
In Proceedings of 17th Scientific meeting \& exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 17), 2009
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An example of a factory floor.
Tim Tutenel, Rafael Bidarra, Ruben M. Smelik, and Klaas Jan de Kraker
Using Semantics to Improve the Design of Game Worlds
In Proceedings of AIIDE, 2009
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Results from the noisy synthetic data
V. Prckovska, Alard F. Roebroeck, Pim Pullens, Anna Vilanova, and B.M. ter Haar Romeny
The effect of the acquisition parameters in HARDI
In Proceedings of 17th Scientific Meeting \& Exhibition of the International Society for Magnetic Resonance in Medicine,, 2009
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2008

Jan Klein, D. Bartz, O. Friman, Markus Hadwiger, Bernhard Preim, et al.
Advanced Algorithms in Medical Computer Graphics
In Proceedings of Eurographics (State of the Art Reports), 2008
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Robert Schaap and Rafael Bidarra
Towards Emotional Characters in Computer Games
In Proceedings of ICEC, 2008
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