@article{chang2018deep,
  title={A Deep Neural Network Based on ELM for Semi-supervised Learning of Image Classification},
  author={Chang, Peiju and Zhang, Jiangshe and Hu, Junying and Song, Zengjie},
  journal={Neural Processing Letters},
  volume={48},
  number={1},
  pages={375--388},
  year={2017}
}