@ARTICLE{7175025,
  author={Zou, Zhengxia and Shi, Zhenwei},
  journal={IEEE Transactions on Geoscience and Remote Sensing}, 
  title={Hierarchical Suppression Method for Hyperspectral Target Detection}, 
  year={2016},
  volume={54},
  number={1},
  pages={330-342},
  doi={10.1109/TGRS.2015.2456957}}