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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1109/TVCG.2015.2440273
|2 doi
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|a pubmed24n0844.xml
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Yang, Ming
|e verfasserin
|4 aut
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| 245 |
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|a Effective Clipart Image Vectorization through Direct Optimization of Bezigons
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 28.04.2016
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|a Date Revised 06.01.2016
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a Bezigons, i.e., closed paths composed of Bézier curves, have been widely employed to describe shapes in image vectorization results. However, most existing vectorization techniques infer the bezigons by simply approximating an intermediate vector representation (such as polygons). Consequently, the resultant bezigons are sometimes imperfect due to accumulated errors, fitting ambiguities, and a lack of curve priors, especially for low-resolution images. In this paper, we describe a novel method for vectorizing clipart images. In contrast to previous methods, we directly optimize the bezigons rather than using other intermediate representations; therefore, the resultant bezigons are not only of higher fidelity compared with the original raster image but also more reasonable because they were traced by a proficient expert. To enable such optimization, we have overcome several challenges and have devised a differentiable data energy as well as several curve-based prior terms. To improve the efficiency of the optimization, we also take advantage of the local control property of bezigons and adopt an overlapped piecewise optimization strategy. The experimental results show that our method outperforms both the current state-of-the-art method and commonly used commercial software in terms of bezigon quality
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|a Journal Article
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| 650 |
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4 |
|a Research Support, Non-U.S. Gov't
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| 700 |
1 |
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|a Chao, Hongyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Chi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Jun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yuan, Lu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Jian
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on visualization and computer graphics
|d 1996
|g 22(2016), 2 vom: 06. Feb., Seite 1063-75
|w (DE-627)NLM098269445
|x 1941-0506
|7 nnns
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| 773 |
1 |
8 |
|g volume:22
|g year:2016
|g number:2
|g day:06
|g month:02
|g pages:1063-75
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| 856 |
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|u http://dx.doi.org/10.1109/TVCG.2015.2440273
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