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Efficient Ray Tracing of Volume Data
https://web.cs.ucdavis.edu/~ma/ECS177/papers/levoy_raytrace_vol.pdf
Efficient ray tracing of volume data | ACM Transactions …
https://dl.acm.org/doi/10.1145/78964.78965
This paper presents a front-to-back image-order volume-rendering algorithm and discusses two techniques for improving its performance. The first technique employs a pyramid of binary volumes to encode spatial coherence present in the data, and the second technique uses an opacity threshold to adaptively terminate ray tracing.
Efficient Ray Tracing of Volume Data
https://www.cs.unc.edu/techreports/88-029.pdf
Efficient Ray Tracing of Volume Data Marc Levoy June, 1988 Computer Science Department University of North Carolina Chapel Hill, NC 27599 1 Volume rendering is a technique for visualizing sampled scalar functions of three spatial dimen sions without fitting geometric primitives to the data.
[PDF] Efficient ray tracing of volume data | Semantic …
https://www.semanticscholar.org/paper/Efficient-ray-tracing-of-volume-data-Levoy/1476d6be67255dfb19a0b053ba4d226fec349193
This paper presents a front-to-back image-order volume-rendering algorithm and discusses two techniques for improving its performance, which employs a pyramid of binary volumes to encode spatial coherence present in the data and uses an opacity threshold to adaptively terminate ray tracing. Volume rendering is a technique for visualizing sampled scalar or vector fields of three …
Efficient Ray Tracing of Volume Data
https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.141.7729&rep=rep1&type=pdf
present in the data, and the second technique uses an opacity threshold to adaptively terminate ray tracing. Although the actual time saved depends on the data, speedups of an order of magnitude have been observed for datasets of useful size and complexity. Examples from two applications are given: medical imaging and molecular graphics.
CiteSeerX — Efficient ray tracing of volume data
https://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.115.1680&q=Spatial%20Dependence%20in%20the%20Observation%20of%20Visual%20Contours.
This paper presents a front-to-back image-order volume-rendering algorithm and discusses two techniques for improving its performance. The first technique employs a pyramid of binary volumes to encode spatial coherence present in the data, and the second technique uses an opacity threshold to adaptively terminate ray tracing.
Levoy - Efficient Ray Tracing of Volume Data
https://www-graphics.stanford.edu/papers/Levoy-hpscans/raytrace-tog90/INDEX.HTM
Efficient Ray Tracing of Volume Data. Marc Levoy. First published in: ACM Transactions on Graphics, 9(3):245-261, July 1990. ... Ray tracing of hierarchical enumeration. Figure 5. Volume rendering of jaw with semitransparent skin. Figure 6. Volume rendering of jaw without skin.
Figure 1 from Efficient ray tracing of volume data ...
https://www.semanticscholar.org/paper/Efficient-ray-tracing-of-volume-data-Levoy/1476d6be67255dfb19a0b053ba4d226fec349193/figure/0
Volume rendering is a technique for visualizing sampled scalar or vector fields of three spatial dimensions without fitting geometric primitives to the data. A subset of these techniques generates images by computing 2-D projections of a colored semitransparent volume, where the color and opacity at each point are derived from the data using ...
Efficient ray tracing of volume data - 百度学术
https://xueshu.baidu.com/usercenter/paper/show?paperid=5db1fe67d7e1129466b6ef6a7fb30330
Efficient ray tracing of volume data 来自 ResearchGate 喜欢 0. 阅读量： 129. 作者： Levoy ， Marc. 展开 . 摘要： Volume rendering is a technique for visualizing sampled scalar or vector fields of three spatial dimensions without fitting geometric primitives to the data. A subset of these techniques generates images by computing ...
Notes on efficient ray tracing
https://graphics.stanford.edu/~boulos/papers/efficient_notes.pdf
Surface* data[nx][ny][nz]; you would pay very little cost in memory penalties for traversing in the z direction, but a very large cost for traversing in the x direction (and this only gets worse as your memory requirements increase). In ray tracing, and more so in path tracing, rays are bouncing in all sorts of directions. You could definitely ...
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