@inproceedings{lee-etal-2021-umic, title = "{UMIC}: An Unreferenced Metric for Image Captioning via Contrastive Learning", author = "Lee, Hwanhee and Yoon, Seunghyun and Dernoncourt, Franck and Bui, Trung and Jung, Kyomin", editor = "Zong, Chengqing and Xia, Fei and Li, Wenjie and Navigli, Roberto", booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 2: Short Papers)", month = aug, year = "2021", address = "Online", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2021.acl-short.29/", doi = "10.18653/v1/2021.acl-short.29", pages = "220--226" }