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Multimodal emotion recognition plays a key role in many domains, including mental health monitoring, educational interaction, and human-computer interaction. However, existing methods often face three major challenges: unbalanced category…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Feng Li , Ke Wu , Yongwei Li

A common assumption in multimodal learning is the completeness of training data, i.e., full modalities are available in all training examples. Although there exists research endeavor in developing novel methods to tackle the incompleteness…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Mengmeng Ma , Jian Ren , Long Zhao , Sergey Tulyakov , Cathy Wu , Xi Peng

The inevitable modality imperfection in real-world scenarios poses significant challenges for Multimodal Sentiment Analysis (MSA). While existing methods tailor reconstruction or joint representation learning strategies to restore missing…

Multimedia · Computer Science 2025-08-05 Hu Zhangfeng , Shi mengxin

Multimodal emotion recognition (MER) is crucial for human-computer interaction, yet real-world challenges like dynamic modality incompleteness and asynchrony severely limit its robustness. Existing methods often assume consistently complete…

Human-Computer Interaction · Computer Science 2025-08-19 Yitong Zhu , Lei Han , Guanxuan Jiang , PengYuan Zhou , Yuyang Wang

During multimodal model training and testing, certain data modalities may be absent due to sensor limitations, cost constraints, privacy concerns, or data loss, negatively affecting performance. Multimodal learning techniques designed to…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Renjie Wu , Hu Wang , Hsiang-Ting Chen , Gustavo Carneiro

Multimodal Emotion Recognition (MER) has attracted growing attention with the rapid advancement of human-computer interaction. However, different modalities exhibit substantial discrepancies in semantics, quality, and availability, leading…

Multimedia · Computer Science 2026-05-08 Yan Zhuang , Minhao Liu , Yanru Zhang , Jiawen Deng , Fuji Ren

Multi-modal emotion recognition in conversations is a challenging problem due to the complex and complementary interactions between different modalities. Audio and textual cues are particularly important for understanding emotions from a…

Sound · Computer Science 2025-04-02 Jiachen Luo , Huy Phan , Lin Wang , Joshua Reiss

Utilizing the sensor characteristics of the audio, visible camera, and thermal camera, the robustness of person recognition can be enhanced. Existing multimodal person recognition frameworks are primarily formulated assuming that multimodal…

Multimedia · Computer Science 2022-10-25 Vijay John , Yasutomo Kawanishi

Multimodal emotion recognition analyzes emotions by combining data from multiple sources. However, real-world noise or sensor failures often cause missing or corrupted data, creating the Incomplete Multimodal Emotion Recognition (IMER)…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Yuehan Jin , Xiaoqing Liu , Yiyuan Yang , Zhiwen Yu , Tong Zhang , Kaixiang Yang

In this paper, we propose SimMLM, a simple yet powerful framework for multimodal learning with missing modalities. Unlike existing approaches that rely on sophisticated network architectures or complex data imputation techniques, SimMLM…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Sijie Li , Chen Chen , Jungong Han

Due to the notorious modality imbalance problem, multimodal learning (MML) leads to the phenomenon of optimization imbalance, thus struggling to achieve satisfactory performance. Recently, some representative methods have been proposed to…

Machine Learning · Computer Science 2024-07-08 Qing-Yuan Jiang , Zhouyang Chi , Yang Yang

Multimodal emotion recognition is a challenging research area that aims to fuse different modalities to predict human emotion. However, most existing models that are based on attention mechanisms have difficulty in learning emotionally…

Computation and Language · Computer Science 2023-03-08 Zihan Zhao , Yu Wang , Yanfeng Wang

There are threefold challenges in emotion recognition. First, it is difficult to recognize human's emotional states only considering a single modality. Second, it is expensive to manually annotate the emotional data. Third, emotional data…

Signal Processing · Electrical Eng. & Systems 2018-08-08 Changde Du , Changying Du , Hao Wang , Jinpeng Li , Wei-Long Zheng , Bao-Liang Lu , Huiguang He

Existing multimodal tasks mostly target at the complete input modality setting, i.e., each modality is either complete or completely missing in both training and test sets. However, the randomly missing situations have still been…

Computation and Language · Computer Science 2022-10-25 Wei Han , Hui Chen , Min-Yen Kan , Soujanya Poria

Image matching for both cross-view and cross-modality plays a critical role in multimodal perception. In practice, the modality gap caused by different imaging systems/styles poses great challenges to the matching task. Existing works try…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Jiangwei Ren , Xingyu Jiang , Zizhuo Li , Dingkang Liang , Xin Zhou , Xiang Bai

Multimodal Sentiment Analysis (MSA) with missing modalities has recently attracted increasing attention. Although existing research mainly focuses on designing complex model architectures to handle incomplete data, it still faces…

Multimedia · Computer Science 2025-08-01 Xiang Li , Xianfu Cheng , Xiaoming Zhang , Zhoujun Li

Multimodal federated learning holds immense potential for collaboratively training models from multiple sources without sharing raw data, addressing both data scarcity and privacy concerns, two key challenges in healthcare. A major…

Machine Learning · Computer Science 2025-05-27 Pranav Poudel , Aavash Chhetri , Prashnna Gyawali , Georgios Leontidis , Binod Bhattarai

Multimodal fake news detection has garnered significant attention due to its profound implications for social security. While existing approaches have contributed to understanding cross-modal consistency, they often fail to leverage…

Machine Learning · Computer Science 2025-05-30 Tianlin Zhang , En Yu , Yi Shao , Jiande Sun

This paper investigates the optimal selection and fusion of feature encoders across multiple modalities and combines these in one neural network to improve sentiment detection. We compare different fusion methods and examine the impact of…

Computation and Language · Computer Science 2024-06-04 Zehui Wu , Ziwei Gong , Jaywon Koo , Julia Hirschberg

Multimodal emotion recognition systems rely heavily on the full availability of modalities, suffering significant performance declines when modal data is incomplete. To tackle this issue, we present the Cross-Modal Alignment,…

Multimedia · Computer Science 2024-07-15 Haoqin Sun , Shiwan Zhao , Shaokai Li , Xiangyu Kong , Xuechen Wang , Aobo Kong , Jiaming Zhou , Yong Chen , Wenjia Zeng , Yong Qin