@article{learningefficientstructureddictionaryfor,
  title = {Learning efficient structured dictionary for image classification},
  author = {Zi-Qi Li and Jun Sun and Xiao-Jun Wu and He-Feng Yin},
  year = {2020},
  eprint = {2002.03271},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2002.03271v2},
}