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Multimodal learning integrates complementary information from different modalities such as image, text, and audio to improve model performance, but its success relies on large-scale labeled data, which is costly to obtain. Active learning…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Yuqiao Zeng , Xu Wang , Tengfei Liang , Yiqing Hao , Yi Jin , Hui Yu

Robust multimodal systems must remain effective when some modalities are noisy, degraded, or unreliable. Existing multimodal fusion methods often learn modality selection jointly with representation learning, making it difficult to…

Artificial Intelligence · Computer Science 2026-03-31 Roland Bertin-Johannet , Lara Scipio , Leopold Maytié , Rufin VanRullen

Pre-trained multimodal models have achieved significant success in retrieval-based question answering. However, current multimodal retrieval question-answering models face two main challenges. Firstly, utilizing compressed evidence features…

Artificial Intelligence · Computer Science 2023-10-17 Shuwen Yang , Anran Wu , Xingjiao Wu , Luwei Xiao , Tianlong Ma , Cheng Jin , Liang He

Robust imitation learning using disturbance injections overcomes issues of limited variation in demonstrations. However, these methods assume demonstrations are optimal, and that policy stabilization can be learned via simple augmentations.…

Robotics · Computer Science 2022-05-10 Hirotaka Tahara , Hikaru Sasaki , Hanbit Oh , Brendan Michael , Takamitsu Matsubara

Recently, many multi-modal trackers prioritize RGB as the dominant modality, treating other modalities as auxiliary, and fine-tuning separately various multi-modal tasks. This imbalance in modality dependence limits the ability of methods…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Xiantao Hu , Bineng Zhong , Qihua Liang , Zhiyi Mo , Liangtao Shi , Ying Tai , Jian Yang

Deep learning models suffer from catastrophic forgetting when learning new tasks incrementally. Incremental learning has been proposed to retain the knowledge of old classes while learning to identify new classes. A typical approach is to…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Huitong Chen , Yu Wang , Qinghua Hu

Despite its maturity, the field of fault-tolerant redundancy suffers from significant terminological fragmentation, where functionally equivalent methods are frequently described under disparate names across academic and industrial domains.…

Systems and Control · Electrical Eng. & Systems 2026-03-17 Lukas Flad , Mark Leyer , Felix Sebastian Nitz , Tobias Krawutschke

Multimodal recommendation systems (MRS) jointly model user-item interaction graphs and rich item content, but this tight coupling makes user data difficult to remove once learned. Approximate machine unlearning offers an efficient…

Artificial Intelligence · Computer Science 2026-04-13 Zhanting Zhou , KaHou Tam , Ziqiang Zheng , Zeyu Ma , Yang Yang

Effective knowledge management is critical for preserving institutional expertise and improving the efficiency of workforce training in state transportation agencies. Traditional approaches, such as static documentation, classroom-based…

Computation and Language · Computer Science 2026-03-05 Divija Amaram , Lu Gao , Gowtham Reddy Gudla , Tejaswini Sanjay Katale

While Retrieval Augmented Generation (RAG) is now widely adopted to enhance LLMs, evaluating its true performance benefits in a reproducible and interpretable way remains a major hurdle. Existing methods often fall short: they lack domain…

Information Retrieval · Computer Science 2025-08-11 Jiaxuan Liang , Shide Zhou , Kailong Wang

Textual Gradient-style optimizers (TextGrad) enable gradient-like feedback propagation through compound AI systems. However, they do not work well for deep chains. The root cause of this limitation stems from the Semantic Entanglement…

Machine Learning · Computer Science 2026-02-10 Suizhi Huang , Mei Li , Han Yu , Xiaoxiao Li

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

This paper discusses how ophthalmologists often rely on multimodal data to improve diagnostic accuracy. However, complete multimodal data is rare in real-world applications due to a lack of medical equipment and concerns about data privacy.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Xinkun Wang , Yifang Wang , Senwei Liang , Feilong Tang , Chengzhi Liu , Ming Hu , Chao Hu , Junjun He , Zongyuan Ge , Imran Razzak

The substantial modality-induced variations in radiometric, texture, and structural characteristics pose significant challenges for the accurate registration of multimodal images. While supervised deep learning methods have demonstrated…

Image and Video Processing · Electrical Eng. & Systems 2025-05-29 Xiaochen Wei , Weiwei Guo , Wenxian Yu

Offline-to-online reinforcement learning harnesses the stability of offline pretraining and the flexibility of online fine-tuning. A key challenge lies in the non-stationary distribution shift between offline datasets and the evolving…

Machine Learning · Computer Science 2026-05-15 Letian Yang , Xu Liu , Yiqiang Lu , Jian Liu , Weiqiang Wang , Shuai Li

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

Multi-modal learning relates information across observation modalities of the same physical phenomenon to leverage complementary information. Most multi-modal machine learning methods require that all the modalities used for training are…

Machine Learning · Computer Science 2021-03-10 Vandana Rajan , Alessio Brutti , Andrea Cavallaro

Edge computing operates between the cloud and end users and strives to provide low-latency computing services for simultaneous users. Redundant use of multiple edge nodes can reduce latency, as edge systems often operate in uncertain…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-11-26 Pei Peng , Emina Soljanin

Multimodal learning, which integrates data from diverse sensory modes, plays a pivotal role in artificial intelligence. However, existing multimodal learning methods often struggle with challenges where some modalities appear more dominant…

Machine Learning · Computer Science 2024-04-02 Xiaohui Zhang , Jaehong Yoon , Mohit Bansal , Huaxiu Yao

Although the deep structure guarantees the powerful expressivity of deep networks (DNNs), it also triggers serious overfitting problem. To improve the generalization capacity of DNNs, many strategies were developed to improve the diversity…

Machine Learning · Computer Science 2021-04-06 Chenguang Zhang , Yuexian Hou , Dawei Song , Liangzhu Ge , Yaoshuai Yao