Scene Graph as Pivoting: Inference-time Image-free Unsupervised Multimodal Machine Translation with Visual Scene Hallucination Hao Fei author Qian Liu author Meishan Zhang author Min Zhang 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 fei-etal-2023-scene 10.18653/v1/2023.acl-long.329 https://aclanthology.org/2023.acl-long.329/ 2023-07 5980 5994