Non-Photorealistic Computer Graphics Library

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Found 6 item(s) authored by "Atsumi Imamiya" Find Author on Google.

Proceedings Automatic Generation of Pencil Drawing from 2D Images Using Line Integral Convolution
Xiaoyang Mao, Yoshiyasu Nagasaka, Atsumi Imamiya.
7th International Conference on Computer Aided Design and Computer Graphics (CAD/GRAPHICS'01), pp. 240--248, August, 2001. [BibTeX]

Proceedings Colored Pencil Filter with Custom Colors
Shigefumi Yamamoto, Xiaoyang Mao, Atsumi Imamiya.
12th Pacific Conference on Computer Graphics and Applications (PG'04), pp. 329--338, Seoul, Korea, October 06 - 08, 2004. [BibTeX]

Proceedings Enhanced LIC Pencil Filter

Author(s): Shigefumi Yamamoto, Xiaoyang Mao, Kenji Tanii, Atsumi Imamiya.
Proceedings: International Conference on Computer Graphics, Imaging and Visualization (CGIV'04), pp. 251--256, July, 2004.
[BibTeX] Find this paper on Google

Abstract:
This paper proposes an extension to the existing automatic pencil drawing generation technique based on Line Integral Convolution (LIC). The original LIC pencil filter utilizes image segmentation and texture direction detection techniques for defining outlines and stroke directions, and the quality of a resulting image depends largely on the result of image segmentation. It may fail to generate a reasonable result when the segmentation result is not consistent with the structure of the input image. To solve this problem, we propose in this paper to avoid the explicit region subdivision. Instead, we divide a source image into layers of successive intensity ranges, generate a stroke image for each layer, and add them together to obtain the final pencil drawing We also demonstrate how the enhanced LIC pencil filter can be used for processing video sequence for pencil drawing effect.

Proceedings Interactive Hairstyle Modeling Using a Sketching Interface
Xiaoyang Mao, Kouichi Kashio, Hiroyuki Kato, Atsumi Imamiya.
International Conference on Computational Science (ICCS'02), PartII, pp. 131--140, April, 2002. [BibTeX]

Proceedings Sketch Interface Based Expressive Hairstyle Modelling and Rendering
Xiaoyang Mao, Hiroki Kato, Atsumi Imamiya, Ken Anjyo.
Computer Graphics International (CGI'04), pp. 608--611, June, 2004. [BibTeX]

Proceedings Sketchy hairstyles
Xiaoyang Mao, Shiho Isobe, Ken Anjyo, Atsumi Imamiya.
Computer Graphics International 2005 (CGI'05), pp. 142--147, 22-24 June, 2005. [BibTeX]

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