@conference {cCalderero09, title = {Hierarchical segmentation of vegetation areas in high spatial resolution images by fusion of multispectral information}, booktitle = {2009 IEEE International Geoscience and Remote Sensing Symposium}, year = {2009}, pages = {232{\textendash}235}, isbn = {978-1-4244-3394-0}, doi = {10.1109/IGARSS.2009.5417329}, url = {http://hdl.handle.net/2117/9494}, author = {Calderero, F. and Marqu{\'e}s, F. and Marcello, J. and F. Eugenio} }