@inproceedings{inproceedings2c2897e7,
title   = {A topological approach for detecting and extracting 2D object models from images},
author = {Lizier, Mario A Souza and Nonato, Luis Gustavo and Castelo, Antonio and Oliveira, Maria Cristina Ferreira de},
year = {2003},
publisher = {IEEE Computer Society},
booktitle   = {Brazilian Symposium on Computer Graphics and Image Processing - SIBGRAPI}
}