@inproceedings{Lin_2005_icassp,
    author    = {Wei-Yang Lin and Nigel Boston and Yu Hen Hu},
    title     = {Summation Invariant and Its Applications to Shape Recognition},
    booktitle = {Proc. IEEE Intl. Conf. on Acoustics, Speech, and Signal Processing},
    volume    = {5},
    pages     = {205 - 208},
    year      = {2005},
};