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一种改进的铅笔画的生成方法

DOI: 10.11834/jig.20070819

Keywords: 铅笔画,线积分卷积,非真实感绘制(NPR),霓红处理

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Abstract:

给出了一种改进的根据真实2D图像自动生成相应的非真实感铅笔画的方法。首先将彩色图像进行霓虹处理,再进行反相计算和灰度化,就可以产生铅笔画中的轮廓效果。其次,为了更好地产生铅笔画的光照效果及其局部走势纹理,采用线积分卷积(LIC)的方法来生成类似的效果,并且用适当的图像分割方法来获取进行LIC处理的有意义的区域。实验结果表明,本文的方法与以往的方法相比,能生成具有不同风格的效果,并且生成的速度更快。

References

[1]  Salisbury M I P,Anderson S E,Barzel R,et al.Interactive pen-and-ink illustration[A].In:Proceedings of SIGGRAPH\'94[C],Florida,USA,1994:101 ~ 108.
[2]  Salisbury M P,Wong M T,Hughes J F,et al.Orientable textures for image-based pen-and-ink illustration[A].In:Proceedings of SIGGRAPH\'97[C],Los Angeles,CA,USA,1997:401 ~ 406.
[3]  Mao X,Nagasaka Y,Imamiya A.Automatic generation of pencil drawing from 2D images using line inegral convolution[J].CAD/Graphics,2001,(9):240 ~248.
[4]  Takagi S,Fujishiro I,Nakajima M.Volumetric modeling of colored pencil drawing[A].In:Pacific Graphics \'99 Conference Proceedings[C],Los Angeles,CA,USA,1999:250 ~258.
[5]  Vermeulen A H,Tanner P P.PenchilSketch&-a pencil-based paint system[A].Graphics Interface\' 89 Conference Proceedings[C],London,1989:138 ~ 143.
[6]  Sousa M C,Buchanan J W.Computer-generated graphite pencil rendering of 3D polygonal models[A].In:EUROGRAPHICS \'99 Conference Proceedings[C],London,England,1999:195~207.
[7]  Felzenszwalb P F,Huttenlocher D P.Efficient graph-based image segmentation[J].International Journal of Computer Vision,2004,59(2):167 ~181.
[8]  Winkerbach G,Salesin D H.Computer-generated pen-and-ink illustration[A].In:Proceedings of SIGGRAPH\' 94[C],Florida,USA,1994:91 ~ 100.
[9]  Hertzmann A.Painterly rendering with curved brush strokes of multiple sizes[A].In:Proceedings of SIGGRAPH\'98[C],Florida,USA,1998:453 ~ 460.
[10]  Curtis C J.Anderson S E.Seims J E,et al.Computer-generated watercolor[A].In:Proceedings of SIGGRAPH\' 97[C],Los Angeles,CA,USA,1997:421~430.
[11]  Li Nan,Huang Zhong,A feature-based pencil drawing method[A].In:Computer Graphics and Interactive Techniques[C],Austalasia and South East Asia,2003:135 ~ 143.
[12]  Sousa M C,Buchanan J W.Observational model of blenders and erasers in computer-generated pencil rendering[A].In:Graphics Interface\' 99 Conference Proceedings[C],Kingston,Ontario,Canada:1999:157 ~ 166.
[13]  Cabral B,Leedom C.Imaging vector field using line integral convolution[A].In:Proceedings of SIGGRAPH\'93[C],California,USA,1993:263~270.

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