@article{physicalcomputingwithnoclocktoimplement,
  title = {Physical Computing With No Clock to Implement the Gaussian Pyramid of SIFT Algorithm},
  author = {Yi Li and Qi Wei and Fei Qiao and Huazhong Yang},
  year = {2014},
  eprint = {1408.2289},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1408.2289v1},
}