.
Multiple illuminated paper textures for drawing strokes
Kyoko Murakami, Reiji Tsuruno, Etsuo Genda.
Computer Graphics International 2005 (CGI'05), pp. 156--161, 22-24 June,
2005. [BibTeX]
Natural-looking strokes for drawing applications
Author(s): Kyoko Murakami, Reiji Tsuruno, Etsuo Genda.
Article: The Visual Computer, Vol. 22, No. 6, pp. 415--423,
2006.
[BibTeX] [DOI] 
Abstract:
This paper presents an algorithm for generating realistic drawing strokes in real-time that can take on the appearance of pastels, charcoals, or crayons. The similarity between the pigment deposit patterns on paper surfaces produced by pastel strokes and the shadows/shades on illuminated paper surfaces have been investigated. Multiple paper textures have been prepared and the paper surfaces have been ascertained by illumination from various directions to represent strokes in arbitrary directions. These textures have been processed as if they could be used as a height field, and pigments deposited on the paper have been calculated using the height field and tablet inputs.
Pastel-like Rendering Considering the Properties of Pigments and Support Medium
Kyoko Murakami, Reiji Tsuruno.
SIGGRAPH 2002 Sketches,
2002. [BibTeX]
Polygon-based Pastel-like Rendering for Animation
Kyoko Murakami, Reiji Tsuruno.
Sketches SIGGRAPH 2003,
2003. [BibTeX]
Strokes for Drawings Using Illuminated Paper Surfaces
Kyoko Murakami, Reiji Tsuruno, Etsuo Genda.
SIGGRAPH 2004 sketches,
2004. [BibTeX]
Trans-Polygon Stroke Method for Frame Coherent Pastel Images
Kyoko Murakami, Reiji Tsuruno.
Eurographics 2003 - Short Presentations,
2003. [BibTeX]