Takeshi Furukawa. Detecting Indentations on Documents Pressed by Pen Tip Force Using a Near Infrared Light Emitting Diode (NIR LED) and Shape from Shading. In Hiroshi Sako, Katrin Franke, Shuji Saitoh, editors, Computational Forensics - 4th International Workshop, IWCF 2010, Tokyo, Japan, November 11-12, 2010, Revised Selected Papers. Volume 6540 of Lecture Notes in Computer Science, pages 114-125, Springer, 2010. [doi]
Abstract is missing.