%0 Conference Paper %B Proceedings of the Advanced Concepts for Intelligent Vision Systems (ACIVS) %D 2007 %T A Multispectral Data Model for Higher-Order Active Contours and its Application to Tree Crown Extraction %A Peter Horvath %E Wilfried Philips %E Dan Popescu %E Paul Scheunders %B Proceedings of the Advanced Concepts for Intelligent Vision Systems (ACIVS) %C Delft, Netherlands %V 4678 %P 200-211 %8 2007 %9 Conference paper %R 10.1007/978-3-540-74607-2_18