Non-Photorealistic Computer Graphics Library

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Found 13 item(s) authored by "Ying-Qing Xu" .
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Article Animating Chinese Paintings Through Stroke-Based Decomposition
Songhua Xu, Ying-Qing Xu, Sing Bing Kang, David H. Salesin, Yunhe Pan, Heung-Yeung Shum.
ACM Transactions on Graphics, Vol. 25, No. 2, pp. 239--267, 2006. [BibTeX]

Article Artistic Image Generation by Deviation Mapping
Liu Wenyin, Xin Tong, Ying-Qing Xu, Heung-Yeung Shum, Zhong Hua.
International Journal of Image and Graphics, Vol. 1, No. 4, November, 2001. [BibTeX]

Proceedings Color Sketch Generation
Fang Wen, Qing Luan, Lin Liang, Ying-Qing Xu, Heung-Yeung Shum.
NPAR '06: Proceedings of the 4th international symposium on Non-photorealistic animation and rendering, pp. 47--54, New York, NY, USA, ACM Press, 2006. [BibTeX]

Proceedings Example-based Automatic Portraiture
Hong Chen, Lin Liang, Ying-Qing Xu, Heung-Yeung Shum, Nan-Ning Zheng.
The 5th Asian Conference on Computer Vision (ACCV2002), Melbourne, Australia, 23–25 January, 2002. [BibTeX]

Proceedings Example-Based Caricature Generation with Exaggeration
Lin Liang, Hong Chen, Ying-Qing Xu, Heung-Yeung Shum.
10th Pacific Conference on Computer Graphics and Applications (PG'02), pp. 386, October 09 - 11, 2002. [BibTeX]

Proceedings Example-Based Composite Sketching of Human Portraits

Author(s): Hong Chen, Ziqiang Liu, Chuck Rose, Ying-Qing Xu, Heung-Yeung Shum, David H. Salesin.
Proceedings: 3rd International Symposium on Non-Photorealistic Animation and Rendering (NPAR'04), 2004.
[BibTeX] Find this paper on Google

Abstract:
Creating a portrait in the style of a particular artistic tradition or a particular artist is a difficult problem. Elusive to codify algorithmically, the nebulous qualities which combine to form artwork are often well captured using example-based approaches. These methods place the artist in the process, often during system training, in the hope that their talents may be tapped. Example based methods do not make this problem easy, however. Examples are precious, so training sets are small, reducing the number of techniques which may be employed. We propose a system which combines two separate but similar subsystems, one for the face and another for the hair, each of which employs a global and a local model. Facial exaggeration to achieve the desired stylistic look is handled during the global face phase. Each subsystem uses a divide-and-conquer approach, but while the face subsystem decomposes into separable subproblems for the eyes, mouth, nose, etc., the hair needs to be subdivided in a relatively arbitrary way, making the hair subproblem decomposition an important step which must be handled carefully with a structured model and a detailed model.

Proceedings Example-based Facial Sketch Generation with Non-parametric Sampling
Hong Chen, Ying-Qing Xu, Heung-Yeung Shum, Song-Chun Zhu, Nan-Ning Zheng.
International Conference on Computer Vision 2001 (ICCV'2001), pp. 433--438, 2001. [BibTeX]

Misc Free-form Video Tooning Deformation
Jue Wang, Ying-Qing Xu, Michael F. Cohen.
Poster on SCA2004, 2004. [BibTeX]

Proceedings PicToon: A Personalized Image-based Cartoon System
Hong Chen, Lin Liang, Yan Li, Ying-Qing Xu, Heung-Yeung Shum.
Proceedings of the tenth ACM international conference on Multimedia (MULTIMEDIA '02), pp. 171--178, December, 2002. [BibTeX]

Proceedings Simulating Artistic Brushstrokes Using Interval Splines
Sara L. Su, Ying-Qing Xu, Heung-Yeung Shum, Falai Chen.
Proceedings of CGIM 2002, Kauai, HI, August, 2002. [BibTeX]

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