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|a eng
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| 100 |
1 |
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|a Willi, Simon
|e verfasserin
|4 aut
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| 245 |
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|a Spatio-Temporal Point Path Analysis and Optimization of a Galvanoscopic Scanning Laser Projector
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|c 2016
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|a ƒaComputermedien
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|a Date Completed 20.06.2017
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|a Date Revised 20.06.2017
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Galvanoscopic scanning laser projectors are powerful vector graphic devices offering a tremendous local brightness advantage compared to standard video projection systems. However, such devices have inherent problems, such as temporal flicker and spatially inaccurate rendering. We propose a method to generate an accurate point-based projection with such devices. To overcome the mentioned problems, we present a camera-based method to automatically analyze the laser projector's motion behavior. With this information, a model database is generated that is used to optimize the scanning path of projected point sequences. The optimization considers the overall path length, its angular shape, acceleration behavior, and the spatio-temporal point neighborhood. The method minimizes perceived visual flickering while guaranteeing an accurate spatial point projection at the same time. Comparisons and timing measurements prove the effectiveness of our method. An informal user evaluation shows substantial visual quality improvement as well
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|a Journal Article
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|a Grundhofer, Anselm
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|i Enthalten in
|t IEEE transactions on visualization and computer graphics
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|g 22(2016), 11 vom: 09. Nov., Seite 2377-84
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|g volume:22
|g year:2016
|g number:11
|g day:09
|g month:11
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