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LazyBrush: Flexible Painting Tool for Hand-drawn Cartoons.

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Title: LazyBrush: Flexible Painting Tool for Hand-drawn Cartoons.
Authors: Sýkora, Daniel1 sykorad@cs.tcd.ie, Dingliana, John1, Collins, Steven1
Source: Computer Graphics Forum. Apr2009, Vol. 28 Issue 2, p599-608. 10p. 6 Diagrams, 1 Chart.
Subjects: Caricatures & cartoons, Computer-aided imagery software, Painting software, Digital image processing software, Computer vision, Pixels, Computer graphics software, Computer software
Abstract: In this paper we present LazyBrush, a novel interactive tool for painting hand-made cartoon drawings and animations. Its key advantage is simplicity and flexibility. As opposed to previous custom tailored approaches [ SBv05 , QWH06 ] LazyBrush does not rely on style specific features such as homogenous regions or pattern continuity yet still offers comparable or even less manual effort for a broad class of drawing styles. In addition to this, it is not sensitive to imprecise placement of color strokes which makes painting less tedious and brings significant time savings in the context cartoon animation. LazyBrush originally stems from requirements analysis carried out with professional ink-and-paint illustrators who established a list of useful features for an ideal painting tool. We incorporate this list into an optimization framework leading to a variant of Potts energy with several interesting theoretical properties. We show how to minimize it efficiently and demonstrate its usefulness in various practical scenarios including the ink-and-paint production pipeline. [ABSTRACT FROM AUTHOR]
Copyright of Computer Graphics Forum is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: LazyBrush: Flexible Painting Tool for Hand-drawn Cartoons.
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  Data: <searchLink fieldCode="AR" term="%22Sýkora%2C+Daniel%22">Sýkora, Daniel</searchLink><relatesTo>1</relatesTo><i> sykorad@cs.tcd.ie</i><br /><searchLink fieldCode="AR" term="%22Dingliana%2C+John%22">Dingliana, John</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Collins%2C+Steven%22">Collins, Steven</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Computer+Graphics+Forum%22">Computer Graphics Forum</searchLink>. Apr2009, Vol. 28 Issue 2, p599-608. 10p. 6 Diagrams, 1 Chart.
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  Data: <searchLink fieldCode="DE" term="%22Caricatures+%26+cartoons%22">Caricatures & cartoons</searchLink><br /><searchLink fieldCode="DE" term="%22Computer-aided+imagery+software%22">Computer-aided imagery software</searchLink><br /><searchLink fieldCode="DE" term="%22Painting+software%22">Painting software</searchLink><br /><searchLink fieldCode="DE" term="%22Digital+image+processing+software%22">Digital image processing software</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+vision%22">Computer vision</searchLink><br /><searchLink fieldCode="DE" term="%22Pixels%22">Pixels</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+graphics+software%22">Computer graphics software</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+software%22">Computer software</searchLink>
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  Data: In this paper we present LazyBrush, a novel interactive tool for painting hand-made cartoon drawings and animations. Its key advantage is simplicity and flexibility. As opposed to previous custom tailored approaches [ SBv05 , QWH06 ] LazyBrush does not rely on style specific features such as homogenous regions or pattern continuity yet still offers comparable or even less manual effort for a broad class of drawing styles. In addition to this, it is not sensitive to imprecise placement of color strokes which makes painting less tedious and brings significant time savings in the context cartoon animation. LazyBrush originally stems from requirements analysis carried out with professional ink-and-paint illustrators who established a list of useful features for an ideal painting tool. We incorporate this list into an optimization framework leading to a variant of Potts energy with several interesting theoretical properties. We show how to minimize it efficiently and demonstrate its usefulness in various practical scenarios including the ink-and-paint production pipeline. [ABSTRACT FROM AUTHOR]
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  Label:
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  Data: <i>Copyright of Computer Graphics Forum is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/j.1467-8659.2009.01400.x
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      – Code: eng
        Text: English
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      – SubjectFull: Caricatures & cartoons
        Type: general
      – SubjectFull: Computer-aided imagery software
        Type: general
      – SubjectFull: Painting software
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      – SubjectFull: Digital image processing software
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      – SubjectFull: Computer vision
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      – SubjectFull: Pixels
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      – SubjectFull: Computer graphics software
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              Text: Apr2009
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