@article{FalcaoGMIP98,
author  = "A. X. Falc{\~{a}}o and J. K. Udupa and S. Samarasekera and S. Sharma and B. E. Hirsch and R. A. Lotufo",
title   = "User-steered image segmentation paradigms: {Live-wire} and live-lane",
journal = "Graphical Models and Image Processing",
volume  = 60,
number  = 4,
pages   = "233--260",
month   = "Jul",
year    = 1998
}