Direct Metric Optimization for Image Captioning through Reward-Weighted Augmented Data Utilization Takumi Takada author Yuma Suzuki author Hiroki Takushima author Hayato Tanoue author Haruki Sato author Aiswariya Kumar author Hiroki Nishihara author Takayuki Hori author Kazuya Ueki author 2024-08 text Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Lun-Wei Ku editor Andre Martins editor Vivek Srikumar editor Association for Computational Linguistics Bangkok, Thailand conference publication takada-etal-2024-direct 10.18653/v1/2024.acl-long.453 https://aclanthology.org/2024.acl-long.453/ 2024-08 8333 8346