Mathematical Morphology and Its Application to Signal and Image Processing : 9th International Symposium on Mathematical Morphology, ISMM 2009 Groningen, The Netherlands, August 24-27, 2009 Proceedings - Wilkinson, Michael H. F (Herausgeber); Roerdink, Jos B.T.M (Herausgeber) (Image Processing, Computer Vision, Pattern Recognition, and Graphics, 2009)