Robin Strand, Gunilla Borgefors. Distance transforms for three-dimensional grids with non-cubic voxels. Computer Vision and Image Understanding, 100(3):294-311, 2005. [doi]
@article{StrandB05,
title = {Distance transforms for three-dimensional grids with non-cubic voxels},
author = {Robin Strand and Gunilla Borgefors},
year = {2005},
doi = {10.1016/j.cviu.2005.04.006},
url = {http://dx.doi.org/10.1016/j.cviu.2005.04.006},
researchr = {https://researchr.org/publication/StrandB05},
cites = {0},
citedby = {0},
journal = {Computer Vision and Image Understanding},
volume = {100},
number = {3},
pages = {294-311},
}