Improving Multimodal Fusion with Hierarchical Mutual Information Maximization for Multimodal Sentiment Analysis Wei Han author Hui Chen author Soujanya Poria author 2021-11 text Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Online and Punta Cana, Dominican Republic conference publication han-etal-2021-improving 10.18653/v1/2021.emnlp-main.723 https://aclanthology.org/2021.emnlp-main.723/ 2021-11 9180 9192