@inproceedings{lu2018co,
  title={Co-attending free-form regions and detections with multi-modal multiplicative feature embedding for visual question answering},
  author={Lu, Pan and Li, Hongsheng and Zhang, Wei and Wang, Jianyong and Wang, Xiaogang},
  booktitle={The AAAI Conference on Artificial Intelligence (AAAI)},
  year={2018}
}