Shortest Route on Height Map Using Gray-Level Distance Transforms (bibtex)
@inproceedings{pubid211,
author = {Leena Ikonen and Pekka Toivanen},
title = {Shortest Route on Height Map Using Gray-Level Distance Transforms},
booktitle = {Discrete Geometry for Computer Imagery (DGCI) },
year = {2003},
pages = {308-316},
}