@ARTICLE {223,
author={P. Nunes and F. Pereira and F. Marques},
doi={10.1016/S0923-5965(99)00041-7},
journal={Signal Processing: Image Communication},
title={A Contour-Based Approach to Binary Shape Coding using a Multiple Grid Chain Code},
year={2000},
month={May},
volume={15},
number={7-8},
pages={585-599},
ISSN={0923-5965}
}