Gao, J., Y. Zhou, P. L. H. Yu, S. Joty, and J. Gu. “UNISON: Unpaired Cross-Lingual Image Captioning”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 36, no. 10, June 2022, pp. 10654-62, doi:10.1609/aaai.v36i10.21310.