Michael P. Salisbury and Michael T. Wong and John F. Hughes and David H. Salesin.
Orientable Textures for Image-Based Pen-and-Ink Illustration.
In Computer Graphics, Proceedings of ACM SIGGRAPH 1997, pp. 401-406, 1997.

Bibtex:

@InProceedings{	salisbury:1997:OTPI,
  author = 	"Michael P. Salisbury and Michael T. Wong and John
                  F. Hughes and David H. Salesin",
  title = 	"Orientable Textures for Image-Based Pen-and-Ink Illustration",
  booktitle = 	"Computer Graphics, Proceedings of ACM SIGGRAPH 1997",
  pages = 	"401-406",
  year = 	"1997",
}

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