Zhang, C., Y. Xu, Z. Cheng, S. Pu, Y. Niu, F. Wu, and F. Zou. “SPIN: Structure-Preserving Inner Offset Network for Scene Text Recognition”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 4, May 2021, pp. 3305-14, doi:10.1609/aaai.v35i4.16442.