Cun, X., and C.-M. Pun. “Split Then Refine: Stacked Attention-Guided ResUNets for Blind Single Image Visible Watermark Removal”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 2, May 2021, pp. 1184-92, doi:10.1609/aaai.v35i2.16205.