@article{DBLP:journals/pr/ShihW99,
author = {Frank Y. Shih and
Wai-Tak Wong},
title = {A one-pass algorithm for local symmetry of contours from
chain codes},
journal = {Pattern Recognition},
volume = {32},
number = {7},
year = {1999},
pages = {1203-1210},
ee = {http://dx.doi.org/10.1016/S0031-3203(98)00158-7},
bibsource = {DBLP, http://dblp.uni-trier.de}
}