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Medical decision systems increasingly rely on data from multiple sources to ensure reliable and unbiased diagnosis. However, existing multimodal learning models fail to achieve this goal because they often ignore two critical challenges.…

Machine Learning · Computer Science 2025-10-10 Md Zubair , Hao Zheng , Nussdorf Jonathan , Grayson W. Armstrong , Lucy Q. Shen , Gabriela Wilson , Yu Tian , Xingquan Zhu , Min Shi

Multimodal continual instruction tuning enables multimodal large language models to sequentially adapt to new tasks while building upon previously acquired knowledge. However, this continual learning paradigm faces the significant challenge…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Songze Li , Mingyu Gao , Tonghua Su , Xu-Yao Zhang , Zhongjie Wang

Multimodal learning methods with targeted unimodal learning objectives have exhibited their superior efficacy in alleviating the imbalanced multimodal learning problem. However, in this paper, we identify the previously ignored gradient…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Yake Wei , Di Hu

Learning from multiple modalities often suffers from imbalance, where information-rich modalities dominate optimization while weaker or partially missing modalities contribute less. This imbalance becomes severe in realistic settings with…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Phuong-Anh Nguyen , Tien Anh Pham , Duc-Trong Le , Cam-Van Thi Nguyen

Large Multimodal Models (LMMs) exhibit remarkable multi-tasking ability by learning mixed instruction datasets. However, novel tasks would be encountered sequentially in dynamic world, which urges for equipping LMMs with multimodal…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Fanhu Zeng , Fei Zhu , Haiyang Guo , Xu-Yao Zhang , Cheng-Lin Liu

Multimodal learning aims to discover the relationship between multiple modalities. It has become an important research topic due to extensive multimodal applications such as cross-modal retrieval. This paper attempts to address the modality…

Machine Learning · Computer Science 2019-08-15 Guoli Song , Shuhui Wang , Qingming Huang , Qi Tian

Multimodal networks have demonstrated remarkable performance improvements over their unimodal counterparts. Existing multimodal networks are designed in a multi-branch fashion that, due to the reliance on fusion strategies, exhibit…

Multimodal learning has increasingly become a focal point in research, primarily due to its ability to integrate complementary information from diverse modalities. Nevertheless, modality imbalance, stemming from factors such as insufficient…

Machine Learning · Computer Science 2025-11-04 Rongrong Xie , Guido Sanguinetti

Multi-modality fusion and multi-task learning are becoming trendy in 3D autonomous driving scenario, considering robust prediction and computation budget. However, naively extending the existing framework to the domain of multi-modality…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Zhijian Huang , Sihao Lin , Guiyu Liu , Mukun Luo , Chaoqiang Ye , Hang Xu , Xiaojun Chang , Xiaodan Liang

Multimodal semantic segmentation enhances model robustness by exploiting cross-modal complementarities. However, existing methods often suffer from imbalanced modal dependencies, where overall performance degrades significantly once a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Jiaqi Tan , Xu Zheng , Fangyu Li , Yang Liu

A major challenge in training large-scale machine learning models is configuring the training process to maximize model performance, i.e., finding the best training setup from a vast design space. In this work, we unlock a gradient-based…

Machine Learning · Statistics 2025-03-19 Logan Engstrom , Andrew Ilyas , Benjamin Chen , Axel Feldmann , William Moses , Aleksander Madry

Consider end-to-end training of a multi-modal vs. a single-modal network on a task with multiple input modalities: the multi-modal network receives more information, so it should match or outperform its single-modal counterpart. In our…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Weiyao Wang , Du Tran , Matt Feiszli

Multimodal fusion is susceptible to modality imbalance, where dominant modalities overshadow weak ones, easily leading to biased learning and suboptimal fusion, especially for incomplete modality conditions. To address this problem, we…

Machine Learning · Computer Science 2026-03-20 Xiang Shi , Rui Zhang , Jiawei Liu , Yinpeng Liu , Qikai Cheng , Wei Lu

Due to their high computational complexity, deep neural networks are still limited to powerful processing units. To promote a reduced model complexity by dint of low-bit fixed-point quantization, we propose a gradient-based optimization…

Machine Learning · Computer Science 2019-07-18 Lukas Enderich , Fabian Timm , Lars Rosenbaum , Wolfram Burgard

Deep learning is typically performed by learning a neural network solely from data in the form of input-output pairs ignoring available domain knowledge. In this work, the Constraint Guided Gradient Descent (CGGD) framework is proposed that…

Artificial Intelligence · Computer Science 2022-06-15 Quinten Van Baelen , Peter Karsmakers

Multimodal learning has significantly enhanced machine learning performance but still faces numerous challenges and limitations. Imbalanced multimodal learning is one of the problems extensively studied in recent works and is typically…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Shu Shen , C. L. Philip Chen , Tong Zhang

Weakly-supervised audio-visual video parsing (WS-AVVP) aims to localize the temporal extents of audio, visual and audio-visual event instances as well as identify the corresponding event categories with only video-level category labels for…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Jie Fu , Junyu Gao , Changsheng Xu

Human perception integrates multiple modalities, such as vision, hearing, and language, into a unified understanding of the surrounding reality. While recent multimodal models have achieved significant progress by aligning pairs of…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Giordano Cicchetti , Eleonora Grassucci , Luigi Sigillo , Danilo Comminiello

Continual learning is essential for adapting models to new tasks while retaining previously acquired knowledge. While existing approaches predominantly focus on uni-modal data, multi-modal learning offers substantial benefits by utilizing…

Machine Learning · Computer Science 2025-11-11 Evelyn Chee , Wynne Hsu , Mong Li Lee

When modeling class-imbalanced data, it is crucial to address the imbalance, as models trained on such data tend to be biased towards the majority classes. This problem is amplified under partial supervision, where pseudo-labels for…

Machine Learning · Statistics 2026-05-08 Heegeon Yoon , Heeyoung Kim