@article{imagepatchanalysisofsunspotsandactive,
  title = {Image patch analysis of sunspots and active regions. I. Intrinsic dimension and correlation analysis},
  author = {Kevin R. Moon and Jimmy J. Li and Veronique Delouille and Ruben De Visscher and Fraser Watson and Alfred O. Hero III},
  year = {2015},
  eprint = {1503.04127},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1503.04127v2},
}