@article{pan2017hierarchical,
  title={Hierarchical guidance filtering-based ensemble classification for hyperspectral images},
  author={Pan, Bin and Shi, Zhenwei and Xu, Xia},
  journal={IEEE Transactions on Geoscience and Remote Sensing},
  volume={55},
  number={7},
  pages={4177--4189},
  year={2017},
  publisher={IEEE}
}