Daniel Keysers, Walter Unger. Elastic image matching is NP-complete. Pattern Recognition Letters, 24(1-3):445-453, 2003. [doi]
@article{KeysersU03,
title = {Elastic image matching is NP-complete},
author = {Daniel Keysers and Walter Unger},
year = {2003},
doi = {10.1016/S0167-8655(02)00268-4},
url = {http://dx.doi.org/10.1016/S0167-8655(02)00268-4},
tags = {completeness},
researchr = {https://researchr.org/publication/KeysersU03},
cites = {0},
citedby = {0},
journal = {Pattern Recognition Letters},
volume = {24},
number = {1-3},
pages = {445-453},
}