@article{Bergo07a,
author  = "F.P.G. Bergo and A.X. Falc{\~{a}}o and P.A.V. Miranda and L.M. Rocha",
title   = "Automatic Image Segmentation by Tree Pruning",
journal = "Journal of Mathematical Imaging and Vision",
volume = "29",
number = "2--3",
pages = "141--162",
month = "Nov",
year = "2007"
}