@conference {Horvath07b, title = {A New Phase Field Model of a {\textquoteright}gas of Circles{\textquoteright} for Tree Crown Extraction from Aerial Images}, booktitle = {Proceedings of the International Conference on Computer Analysis of Images and Patterns (CAIP)}, volume = {4673}, year = {2007}, month = {2007}, pages = {702-709}, type = {Conference paper}, address = {Vienna, Austria}, doi = {10.1007/978-3-540-74272-2_87}, author = {Peter Horvath and Ian Jermyn}, editor = {Walter G. Kropatsch and Martin Kampel and Allan Hanbury} }