Yutaka Ohtake, Alexander G. Belyaev, Hans-Peter Seidel. Ridge-valley lines on meshes via implicit surface fitting. ACM Trans. Graph., 23(3):609-612, 2004. [doi]
@article{OhtakeBS04:0,
title = {Ridge-valley lines on meshes via implicit surface fitting},
author = {Yutaka Ohtake and Alexander G. Belyaev and Hans-Peter Seidel},
year = {2004},
doi = {10.1145/1015706.1015768},
url = {http://doi.acm.org/10.1145/1015706.1015768},
researchr = {https://researchr.org/publication/OhtakeBS04%3A0},
cites = {0},
citedby = {0},
journal = {ACM Trans. Graph.},
volume = {23},
number = {3},
pages = {609-612},
}