Journal of Korea Multimedia Society (한국멀티미디어학회논문지)

Korea Multimedia Society (한국멀티미디어학회)
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A Pen Drawing Method by Tensor-based Strokes Generation

텐서 기반 스트로크 생성에 의한 펜화기법

  • Received : 2017.01.21
  • Accepted : 2017.03.30
  • Published : 2017.04.30
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Abstract

We present a non-photo realistic pen-ink drawing method for outlining and shading of the input image. Especially, we focus on the detailed illustration of the image of which stroke's direction is important. The pen-ink renderer is an alternative display models user can generate traditional illustration renderings of their photo realistic image. The previously proposed pen drawing methods produce feasible description in general image but it is difficult to express in detail for the sophisticated images that need to consider the direction of stroke for each image region. In order to overcome the disadvantages of the conventional method, a direction vector is extracted from a tensor field and we determine a stroke's direction in consideration of not only an edge area but also a gradient of a surrounding area in the image. For more detailed description for the sophisticated image, we generate white noises based on the light and shade of the input image and determine the direction and length of the stroke by using the tensor field for each generated white noise. The proposed method works particularly well for traditional architectural images where the direction and detailed description of the pen is important.

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References

  1. M. Kass and A. Witkin, "Analyzing Oriented Patterns," Computer Vision, Graphics, and Image Processing, Vol. 37, No. 4, pp. 362-385, 1987. https://doi.org/10.1016/0734-189X(87)90043-0
  2. H.W. Byun and Y.Y. Park, "Correlation Analysis Between Artists' Shading and CG Shading," Journal of Korea Multimedia Society, Vol. 14, No. 5, pp. 691-702, 2011. https://doi.org/10.9717/kmms.2011.14.5.691
  3. J.W. Jeon, H.H. Jang, Y.C. Choy, and S.B. Lim, "Silhouette Edge Rendering Method with Multiple Polygon Processing," Proceeding of Korea Multimedia Society, pp. 525-528, 2006.
  4. P. Haeberli, "Paint by Numbers : Abstract Image Representation," Proceeding of SIGGRAPH' 90, pp. 207-214, 1990.
  5. M.C. Sousa and J.W. Buchanan, "Computer-Generated Graphite Pencil Rendering of 3D Polygonal Models," Proceedings of Euro Graphics '99, pp. 195-207, 1999.
  6. Peter Litsinowicz, "Processing Images and Video for an Impressionist Effect," Proceeding of SIGGRAPH'97, pp. 453-360, 1997.
  7. X. Mao, Y. Nagasaka, and A. Imarmiya, "Automatic Generation of Pencil Drawing from 2D Images Using Line Integral Convolution," Proceeding of the 7th International Conference on Computer Aided Design and Computer Graphics CAD/ GRAPHICS2001, pp. 240-248, 2001.
  8. J. Fung and O. Veryovka, "Pen and Ink Textures for Real-Time Rendering," Proceedings of Graphics Interface, pp. 131-138, 2003.
  9. J.Y. Ma, H.S. Yong, J.W. Park, and K.H. Yoon, "Pencil Hatching Effect using Sharpening and Blurring Spatial Filter," Proceeding of Korea Computer Graphics Society, Vol. 2004, pp. 67-71, 2004.
  10. M.P. Salisbury, M.T. Wong, J.F. Hughes, and D.A. Salesin, "Orientable Textures for Image- Based Pen-And-Ink Illustration," Proceeding of SIGGRAPH'97, pp. 401-406, 1997.
  11. E. Praun, H. Hoppe, M. Webb, and A. F, "Real-Time Hatching," Proceeding of SIGGRAPH 2001, pp. 579-584, 2001.