Cross2StrA: Unpaired Cross-lingual Image Captioning with Cross-lingual Cross-modal Structure-pivoted Alignment Shengqiong Wu author Hao Fei author Wei Ji author Tat-Seng Chua author 2023-07 text Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication wu-etal-2023-cross2stra 10.18653/v1/2023.acl-long.146 https://aclanthology.org/2023.acl-long.146/ 2023-07 2593 2608