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Related papers: Principled Multimodal Representation Learning

200 papers

Multi-modal learning is a fast growing area in artificial intelligence. It tries to help machines understand complex things by combining information from different sources, like images, text, and audio. By using the strengths of each…

Machine Learning · Computer Science 2025-12-22 Qihang Jin , Enze Ge , Yuhang Xie , Hongying Luo , Junhao Song , Ziqian Bi , Chia Xin Liang , Jibin Guan , Joe Yeong , Xinyuan Song , Junfeng Hao

Multimodal learning robust to missing modality has attracted increasing attention due to its practicality. Existing methods tend to address it by learning a common subspace representation for different modality combinations. However, we…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Shicai Wei , Yang Luo , Yuji Wang , Chunbo Luo

Multi-modal Contrastive Representation learning aims to encode different modalities into a semantically aligned shared space. This paradigm shows remarkable generalization ability on numerous downstream tasks across various modalities.…

Machine Learning · Computer Science 2023-10-20 Zehan Wang , Yang Zhao , Xize Cheng , Haifeng Huang , Jiageng Liu , Li Tang , Linjun Li , Yongqi Wang , Aoxiong Yin , Ziang Zhang , Zhou Zhao

Decoding neural visual representations from electroencephalogram (EEG)-based brain activity is crucial for advancing brain-machine interfaces (BMI) and has transformative potential for neural sensory rehabilitation. While multimodal…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Yueyang Li , Zijian Kang , Shengyu Gong , Wenhao Dong , Weiming Zeng , Hongjie Yan , Wai Ting Siok , Nizhuan Wang

Multimodal representation is crucial for E-commerce tasks such as identical product retrieval. Large representation models (e.g., VLM2Vec) demonstrate strong multimodal understanding capabilities, yet they struggle with fine-grained…

Computation and Language · Computer Science 2026-04-23 Biao Zhang , Lixin Chen , Bin Zhang , Zongwei Wang , Tong Liu , Bo Zheng

Multi-modal contrastive representation (MCR) of more than three modalities is critical in multi-modal learning. Although recent methods showcase impressive achievements, the high dependence on large-scale, high-quality paired data and the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-16 Zehan Wang , Ziang Zhang , Luping Liu , Yang Zhao , Haifeng Huang , Tao Jin , Zhou Zhao

Unsupervised pre-training has shown great success in skeleton-based action understanding recently. Existing works typically train separate modality-specific models, then integrate the multi-modal information for action understanding by a…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Shengkai Sun , Daizong Liu , Jianfeng Dong , Xiaoye Qu , Junyu Gao , Xun Yang , Xun Wang , Meng Wang

Despite the impressive results achieved by multimodal large language models (MLLMs), their training typically relies on jointly curated multimodal data, requiring substantial human effort to construct multi-way aligned datasets and thereby…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Yan Li , Yunlong Deng , Yuewen Sun , Gongxu Luo , Kun Zhang , Guangyi Chen

Molecular property prediction constitutes a cornerstone of drug discovery and materials science, necessitating models capable of disentangling complex structure-property relationships across diverse molecular modalities. Existing approaches…

Machine Learning · Computer Science 2026-03-24 Long Xu , Junping Guo , Jianbo Zhao , Jianbo Lu , Yuzhong Peng

Multimodal recommender systems (MMRS) leverage images, text, and interaction signals to enrich item representations. However, recent alignment based MMRSs that enforce a unified embedding space often blur modality specific structures and…

Information Retrieval · Computer Science 2026-03-16 Yonghun Jeong , David Yoon Suk Kang , Yeon-Chang Lee

Many sequential decision-making tasks involve optimizing multiple conflicting objectives, requiring policies that adapt to different user preferences. In multi-objective reinforcement learning (MORL), one widely studied approach} addresses…

Machine Learning · Computer Science 2026-04-28 Ying-Tu Chen , Wei Hung , Bing-Shu Wu , Zhang-Wei Hong , Ping-Chun Hsieh

Multi-Objective Reinforcement Learning (MORL) is a generalization of traditional Reinforcement Learning (RL) that aims to optimize multiple, often conflicting objectives simultaneously rather than focusing on a single reward. This approach…

Machine Learning · Computer Science 2025-08-15 Davide Guidobene , Lorenzo Benedetti , Diego Arapovic

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

Multi-task representation learning (MTRL) is an approach that learns shared latent representations across related tasks, facilitating collaborative learning that improves the overall learning efficiency. This paper studies MTRL for…

Machine Learning · Computer Science 2026-04-07 Yaoze Guo , Shana Moothedath

Multimodal pre-training demonstrates strong generalization performance, but this paradigm is often impractical in domains where paired data are scarce. A promising alternative is post-hoc multimodal alignment, which aligns separately…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Shiwon Kim , Yu Rang Park

One of the most critical aspects of multimodal Reinforcement Learning (RL) is the effective integration of different observation modalities. Having robust and accurate representations derived from these modalities is key to enhancing the…

Robotics · Computer Science 2024-06-21 Fotios Lygerakis , Vedant Dave , Elmar Rueckert

Visual place recognition (VPR) remains challenging due to significant viewpoint changes and appearance variations. Mainstream works tackle these challenges by developing various feature aggregation methods to transform deep features into…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Teng Wang , Lingquan Meng , Lei Cheng , Changyin Sun

Multi-objective reinforcement learning (MORL) approaches have emerged to tackle many real-world problems with multiple conflicting objectives by maximizing a joint objective function weighted by a preference vector. These approaches find…

Machine Learning · Computer Science 2023-05-31 Toygun Basaklar , Suat Gumussoy , Umit Y. Ogras

Preference-based reinforcement learning (PbRL) has emerged as a promising paradigm for teaching robots complex behaviors without reward engineering. However, its effectiveness is often limited by two critical challenges: the reliance on…

Robotics · Computer Science 2025-12-02 Ruiqi Wang , Dezhong Zhao , Ziqin Yuan , Tianyu Shao , Guohua Chen , Dominic Kao , Sungeun Hong , Byung-Cheol Min

A unified representation space in multi-modal learning is essential for effectively integrating diverse data sources, such as text, images, and audio, to enhance efficiency and performance across various downstream tasks. Recent binding…

Machine Learning · Computer Science 2025-10-08 Minoh Jeong , Zae Myung Kim , Min Namgung , Dongyeop Kang , Yao-Yi Chiang , Alfred Hero