Graphics Recognition: Achievements, Challenges, and Evolution : 8th International Workshop, GREC 2009, La Rochelle, France, July 22-23, 2009, Selected Papers - Ogier, Jean-Marc (Herausgeber); Liu, Wenyin (Herausgeber); Llados, Josep (Herausgeber) (Image Processing, Computer Vision, Pattern Recognition, and Graphics, 2010)