@INPROCEEDINGS {228,
author={P. Salembier and N. O'Connor and P.L. Correia and F. Pereira},
doi={},
booktitle={IEEE International Conf. on Image Processing - ICIP},
title={Hierarchical Visual Description Schemes for Still Images and Video Sequences},
year={1999},
month={October},
volume={-},
pages={---} 
}