@article{xu2016mosaicking,
  title={Mosaicking of unmanned aerial vehicle imagery in the absence of camera poses},
  author={Xu, Yuhua and Ou, Jianliang and He, Hu and Zhang, Xiaohu and Mills, Jon},
  journal={Remote Sensing},
  volume={8},
  number={3},
  pages={204},
  year={2016},
  publisher={Multidisciplinary Digital Publishing Institute}
}