@article{COCV_2003__9__1_0,
     author = {Ballester, Coloma and Caselles, Vicent and Monasse, P.},
     title = {The tree of shapes of an image},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {1--18},
     publisher = {EDP-Sciences},
     volume = {9},
     year = {2003},
     doi = {10.1051/cocv:2002069},
     mrnumber = {1957088},
     zbl = {1073.68094},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv:2002069/}
}