Song, Q., C. Wang, Y. Wang, Y. Tai, C. Wang, J. Li, J. Wu, and J. Ma. “To Choose or to Fuse? Scale Selection for Crowd Counting”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 3, May 2021, pp. 2576-83, doi:10.1609/aaai.v35i3.16360.