@INPROCEEDINGS{KovacsICIP11,
author={Kov\'acs, Andrea and Szir\'anyi, Tam\'as},
booktitle={Image Processing (ICIP), 2011 18th IEEE International Conference on}, 
title={Improved force field for vector field convolution method},
year={2011},
month={sept.},
pages={2853 -2856},
}