@article{detectingdirectionalityinrandomfields,
  title = {Detecting Directionality in Random Fields Using the Monogenic Signal},
  author = {Sofia Olhede and David Ramírez and Peter J. Schreier},
  year = {2013},
  eprint = {1304.2998},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1304.2998v3},
}