@misc{kollias2018wild,
  title={Aff-Wild2: Extending the Aff-Wild Database for Affect Recognition},
  author={Dimitrios Kollias and Stefanos Zafeiriou},
  year={2018},
  eprint={1811.07770},
  archivePrefix={arXiv},
  primaryClass={cs.CV},
  url={https://arxiv.org/abs/1811.07770}
}