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Keywords
(9)
Color Image
Distributed Shared Memory
Interactive Ray Tracing
large dataset
Maximum Intensity Projection
Parallel Systems
Ray Tracing
Volume Visualization
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Related Publications
(23)
Interactive ray tracing
Interactive Rendering with Coherent Ray Tracing
Distributed Interactive Ray Tracing for Large Volume Visualization
Cellbased firsthit ray casting
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Interactive Ray Tracing for Volume Visualization
Interactive Ray Tracing for Volume Visualization,10.1109/2945.795215,IEEE Transactions on Visualization and Computer Graphics,Steven G. Parker,Michael
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Interactive Ray Tracing for Volume Visualization
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Citations: 160
)
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Steven G. Parker
,
Michael Parker
,
Yarden Livnat
,
Peterpike J. Sloan
,
Charles D. Hansen
,
Peter Shirley
We present a bruteforce
ray tracing
system for interactive volume visualization. The system runs on a conventional (distributed) sharedmemory multiprocessor machine. For each pixel we trace a ray through a volume to compute the color for that pixel. Although this method has high intrinsic computational cost, its simplicity and scalability make it ideal for large datasets on current highend parallel systems. To gain effi ciency several optimizations are used including a volume bricking scheme and a shallow data hierarchy. These optimizations are used in three sep arate visualization algorithms: isosurfacing of rectilinear data, isosurfac ing of unstructured data, and maximumintensity projection on rectilinear data. The system runs interactively (i.e., several frames per second) on an SGI Reality Monster. The graphics capabilities of the Reality Monster are used only for display of the final color image. Keywords— Ray tracing, visualization, isosurface, maximumintensity projection.
Journal:
IEEE Transactions on Visualization and Computer Graphics  TVCG
, vol. 5, no. 3, pp. 238250, 1999
DOI:
10.1109/2945.795215
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Citation Context
(74)
...Such bricking methods have also been applied in the context of unstructured meshes [32,
33
, 40]...
Philipp Muigg
,
et al.
Interactive Volume Visualization of General Polyhedral Grids
...Multiresolution techniques for rendering large volume data [5, 7, 10] construct a hierarchical data structure (e.g., octree [10], multilevel pyramid [
15
]) during a preprocessing stage)...
...Parallel visualization is also very often used to address the issues of large data processing [2, 4,
15
, 22]...
...First, these approaches are usually problem specific, e.g., they are suitable for visualizing medical volume datasets using only an isosurface volume rendering technique [
15
], while visualization systems typically aim to be able to visualize volume datasets of any kind using a variety of volume rendering techniques [7, 17], and most systems also provide the user with volume smoothing, segmentation operations, color mapping functions, etc...
Anupam Agrawal
,
et al.
Enabling the interactive display of large medical volume datasets by m...
...In a similar vein, Parker et al. developed a parallel raytracing algorithm that employs analytical techniques to find the exact position of an isosurface inside a trilinearly interpolated rectilinear cell [31] and in unstructured grids [
30
]...
Marco Ament
,
et al.
Direct Interval Volume Visualization
...The VIRIM [8], VIZARD [9], and VolumePro [
10
] boards all implement ray casting and some limited shad ing calculations...
G. R. Bamnote
,
et al.
Ray tracing using symmetric multiprocessor environment
...We extended the CGT algorithm to arbitrary number of macrocell layers similarly to Parker et al. [
23
], and found that a recursive 23 macrocell hierarchy...
...Other raytracing efficiency structures such as implicit kdtrees [20] could require up to twice the full data footprint, often with an additional overhead of around 15% for cacheefficient bricking [
23
]...
Aaron M. Knoll
,
et al.
Coherent multiresolution isosurface ray tracing
References
(47)
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(
Citations: 69
)
Krzysztof S. Klimaszewski
,
Thomas W. Sederberg
Journal:
IEEE Computer Graphics and Applications  CGA
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Fast algorithms for volume ray tracing
(
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John M. Danskin
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Pat Hanrahan
Conference:
Volume Visualization and Graphics  VolVis
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(
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Conference:
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(
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Akira Fujimoto
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Journal:
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Volumetric ray tracing
(
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Lisa M. Sobierajski
,
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Conference:
Volume Visualization and Graphics  VolVis
, 1994
Sort by:
Citations
(160)
Interactive Volume Visualization of General Polyhedral Grids
Philipp Muigg
,
Markus Hadwiger
,
Helmut Doleisch
,
Eduard Groller
Journal:
IEEE Transactions on Visualization and Computer Graphics  TVCG
, vol. 17, no. 12, pp. 21152124, 2011
Enabling the interactive display of large medical volume datasets by multiresolution bricking
(
Citations: 1
)
Anupam Agrawal
,
Josef Kohout
,
Gordon J. Clapworthy
,
Nigel J. B. McFarlane
,
Feng Dong
,
Marco Viceconti
,
Fulvia Taddei
,
Debora Testi
Journal:
The Journal of Supercomputing  TJS
, vol. 51, no. 1, pp. 319, 2010
Direct Interval Volume Visualization
(
Citations: 1
)
Marco Ament
,
Daniel Weiskopf
,
Hamish Carr
Journal:
IEEE Transactions on Visualization and Computer Graphics  TVCG
, vol. 16, no. 6, pp. 15051514, 2010
Ray tracing using symmetric multiprocessor environment
G. R. Bamnote
,
H. J. Petkar
Conference:
International Conference on Internet Computing  ICOMP
, 2010
State of the Art in Ray Tracing Animated Scenes
(
Citations: 55
)
Ingo Wald
,
William R. Mark
,
Johannes Günther
,
Solomon Boulos
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Thiago Ize
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Warren A. Hunt
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Steven G. Parker
,
Peter Shirley
Journal:
Computer Graphics Forum  CGF
, vol. 28, no. 6, pp. 16911722, 2009