When using NaturePatternMatch, please cite the original publication:
Stoddard, M. C., R. M. Kilner, and C. Town. 2014. Pattern recognition algorithm reveals how birds evolve individual egg pattern signatures. Nature Communications. DOI: 10.1038/ncomms5117
Please also cite the original SIFT publication:
Lowe, D. G. Object recognition from local scale-invariant features. Proc Seventh IEEE Int. Conf. Computer Vision (IEEE) 2, 1150–1157 (1999).
A link to the Nature Communications publication is provided here.
A detailed Supplementary Information file describing how NaturePatternMatch works accompanies the original publication. You can download the Supplementary Information here.