Area and volume coherence for efficient visualization of 3D scalar functions
VVS '90 Proceedings of the 1990 workshop on Volume visualization
A polygonal approximation to direct scalar volume rendering
VVS '90 Proceedings of the 1990 workshop on Volume visualization
A coherent projection approach for direct volume rendering
Proceedings of the 18th annual conference on Computer graphics and interactive techniques
Visibility-ordering meshed polyhedra
ACM Transactions on Graphics (TOG)
A volume density optical model
VVS '92 Proceedings of the 1992 workshop on Volume visualization
Sorting and hardware assisted rendering for volume visualization
VVS '94 Proceedings of the 1994 symposium on Volume visualization
The VSBUFFER: visibility ordering of unstructured volume primitives by polygon drawing
VIS '97 Proceedings of the 8th conference on Visualization '97
ZSWEEP: an efficient and exact projection algorithm for unstructured volume rendering
VVS '00 Proceedings of the 2000 IEEE symposium on Volume visualization
Hardware-accelerated volume and isosurface rendering based on cell-projection
Proceedings of the conference on Visualization '00
SIGGRAPH '88 Proceedings of the 15th annual conference on Computer graphics and interactive techniques
High-quality pre-integrated volume rendering using hardware-accelerated pixel shading
Proceedings of the ACM SIGGRAPH/EUROGRAPHICS workshop on Graphics hardware
Optical Models for Direct Volume Rendering
IEEE Transactions on Visualization and Computer Graphics
A High Accuracy Volume Renderer for Unstructured Data
IEEE Transactions on Visualization and Computer Graphics
SIGGRAPH '84 Proceedings of the 11th annual conference on Computer graphics and interactive techniques
An architecture for interactive tetrahedral volume rendering
VG'01 Proceedings of the 2001 Eurographics conference on Volume Graphics
High-quality unstructured volume rendering on the PC platform
Proceedings of the ACM SIGGRAPH/EUROGRAPHICS conference on Graphics hardware
Feature preserved volume simplification
SM '03 Proceedings of the eighth ACM symposium on Solid modeling and applications
Integrating pre-integration into the shear-warp algorithm
VG '03 Proceedings of the 2003 Eurographics/IEEE TVCG Workshop on Volume graphics
Projecting Tetrahedra without Rendering Artifacts
VIS '04 Proceedings of the conference on Visualization '04
A Fast High Accuracy Volume Renderer for Unstructured Data
VV '04 Proceedings of the 2004 IEEE Symposium on Volume Visualization and Graphics
Volume Interval Segmentation and Rendering
VV '04 Proceedings of the 2004 IEEE Symposium on Volume Visualization and Graphics
Gaussian Transfer Functions for Multi-Field Volume Visualization
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
Artifacts Caused by Simplicial Subdivision
IEEE Transactions on Visualization and Computer Graphics
IEEE Transactions on Visualization and Computer Graphics
High-quality lighting and efficient pre-integration for volume rendering
VISSYM'04 Proceedings of the Sixth Joint Eurographics - IEEE TCVG conference on Visualization
VISSYM'04 Proceedings of the Sixth Joint Eurographics - IEEE TCVG conference on Visualization
Improving the quality of multi-resolution volume rendering
EUROVIS'06 Proceedings of the Eighth Joint Eurographics / IEEE VGTC conference on Visualization
Interactive ray casting of geodesic grids
EuroVis '13 Proceedings of the 15th Eurographics Conference on Visualization
| Hi-index | 0.00 |
In the area of volume visualization the cell projection technique is used widely to display unstructured tetrahedral grids. In this field, the pre-integration of the ray integral has proven to be a powerful method for the display of tetrahedral grids with high quality and at interactive frame rates. Besides the actual performance of the projected tetrahedra algorithm of Shirley and Tuchman, the degree of interactivity is also limited by the update rate of the pre-integrated ray integral and the performance of the graphics card at high screen resolutions. In order to widen those two bottlenecks, we propose a hardware-accelerated pre-integration approach and a rendering method which applies standard 2D texture mapping instead of the previously used 3D texturing. As a result, the update rate of the transfer function is increased by almost a factor of hundred and the rasterization of the tetrahedra is sped up by up to a factor of three without degrading accuracy. As a side effect, pre-integrated unstructured volume rendering can be utilized on a broader range of graphics platforms, since the support of 2D texture mapping is much more common. In summary, our two-step approach greatly increases the interactivity of unstructured pre-integrated volume rendering allowing for a much wider area of application.