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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1109/TVCG.2010.196
|2 doi
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Müller, Thomas
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Special relativistic visualization by local ray tracing
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1 |
|c 2010
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 14.12.2010
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| 500 |
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|a Date Revised 26.10.2010
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a Special relativistic visualization offers the possibility of experiencing the optical effects of traveling near the speed of light, including apparent geometric distortions as well as Doppler and searchlight effects. Early high-quality computer graphics images of relativistic scenes were created using offline, computationally expensive CPU-side 4D ray tracing. Alternate approaches such as image-based rendering and polygon-distortion methods are able to achieve interactivity, but exhibit inferior visual quality due to sampling artifacts. In this paper, we introduce a hybrid rendering technique based on polygon distortion and local ray tracing that facilitates interactive high-quality visualization of multiple objects moving at relativistic speeds in arbitrary directions. The method starts by calculating tight image-space footprints for the apparent triangles of the 3D scene objects. The final image is generated using a single image-space ray tracing step incorporating Doppler and searchlight effects. Our implementation uses GPU shader programming and hardware texture filtering to achieve high rendering speed
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Grottel, Sebastian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Weiskopf, Daniel
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t IEEE transactions on visualization and computer graphics
|d 1996
|g 16(2010), 6 vom: 15. Nov., Seite 1243-50
|w (DE-627)NLM098269445
|x 1941-0506
|7 nnns
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| 773 |
1 |
8 |
|g volume:16
|g year:2010
|g number:6
|g day:15
|g month:11
|g pages:1243-50
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|u http://dx.doi.org/10.1109/TVCG.2010.196
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