Piet W. Verbeek, Ben J. H. Verwer. 2-D adaptive smoothing by 3-D distance transformation. Pattern Recognition Letters, 9(1):53-65, 1989. [doi]
@article{VerbeekV89,
title = {2-D adaptive smoothing by 3-D distance transformation},
author = {Piet W. Verbeek and Ben J. H. Verwer},
year = {1989},
doi = {10.1016/0167-8655(89)90028-7},
url = {http://dx.doi.org/10.1016/0167-8655(89)90028-7},
researchr = {https://researchr.org/publication/VerbeekV89},
cites = {0},
citedby = {0},
journal = {Pattern Recognition Letters},
volume = {9},
number = {1},
pages = {53-65},
}