M. Lettner, R. Sablatnig:
"Estimating the original drawing trace of painted strokes";
Talk: Electronic Imaging, SPIE, San Jose, USA; 2008-01-27 - 2008-01-31; in: "Proceedings of SPIE on CD-ROM, Electronic Imaging 2008", SPIE, 6803-6822 (2008), 10 pages.