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In recent years, the introduction of Multi-modal Large Language Models (MLLMs) into video understanding tasks has become increasingly prevalent. However, how to effectively integrate temporal information remains a critical research focus.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Xiaoyi Bao , Chenwei Xie , Hao Tang , Tingyu Weng , Xiaofeng Wang , Yun Zheng , Xingang Wang

Continual Learning (CL) aims to enable Deep Neural Networks (DNNs) to learn new data without forgetting previously learned knowledge. The key to achieving this goal is to avoid confusion at the feature level, i.e., avoiding confusion within…

Machine Learning · Computer Science 2024-08-07 Shaoxu Cheng , Kanglei Geng , Chiyuan He , Zihuan Qiu , Linfeng Xu , Heqian Qiu , Lanxiao Wang , Qingbo Wu , Fanman Meng , Hongliang Li

Visual Dialog is a vision-language task that requires an AI agent to engage in a conversation with humans grounded in an image. It remains a challenging task since it requires the agent to fully understand a given question before making an…

Computation and Language · Computer Science 2019-12-19 Feilong Chen , Fandong Meng , Jiaming Xu , Peng Li , Bo Xu , Jie Zhou

Deep multimodal learning has achieved great progress in recent years. However, current fusion approaches are static in nature, i.e., they process and fuse multimodal inputs with identical computation, without accounting for diverse…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Zihui Xue , Radu Marculescu

Despite the importance and abundance of temporal knowledge graphs, most of the current research has been focused on reasoning on static graphs. In this paper, we study the challenging problem of inference over temporal knowledge graphs. In…

Machine Learning · Computer Science 2021-03-19 Ali Sadeghian , Mohammadreza Armandpour , Anthony Colas , Daisy Zhe Wang

Real-life medical data is often multimodal and incomplete, fueling the growing need for advanced deep learning models capable of integrating them efficiently. The use of diverse modalities, including histopathology slides, MRI, and genetic…

Artificial Intelligence · Computer Science 2024-10-02 Lucas Robinet , Ahmad Berjaoui , Ziad Kheil , Elizabeth Cohen-Jonathan Moyal

Many, if not most, systems of interest in science are naturally described as nonlinear dynamical systems. Empirically, we commonly access these systems through time series measurements. Often such time series may consist of discrete random…

Machine Learning · Computer Science 2024-06-10 Manuel Brenner , Florian Hess , Georgia Koppe , Daniel Durstewitz

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

Geometric shape features have been widely used as strong predictors for image classification. Nevertheless, most existing classifiers such as deep neural networks (DNNs) directly leverage the statistical correlations between these shape…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Tonmoy Hossain , Jing Ma , Jundong Li , Miaomiao Zhang

Multimodal representation learning harmonizes distinct modalities by aligning them into a unified latent space. Recent research generalizes traditional cross-modal alignment to produce enhanced multimodal synergy but requires all modalities…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Xiaohao Liu , Xiaobo Xia , Jiaheng Wei , Shuo Yang , Xiu Su , See-Kiong Ng , Tat-Seng Chua

Knowledge-based visual question answering (VQA) is a vision-language task that requires an agent to correctly answer image-related questions using knowledge that is not presented in the given image. It is not only a more challenging task…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Mingxiao Li , Marie-Francine Moens

Causal reasoning can be considered a cornerstone of intelligent systems. Having access to an underlying causal graph comes with the promise of cause-effect estimation and the identification of efficient and safe interventions. However,…

Machine Learning · Computer Science 2023-11-10 Amir Mohammad Karimi Mamaghan , Andrea Dittadi , Stefan Bauer , Karl Henrik Johansson , Francesco Quinzan

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

Multimodal recommendation systems integrate diverse multimodal information into the feature representations of both items and users, thereby enabling a more comprehensive modeling of user preferences. However, existing methods are hindered…

Multimedia · Computer Science 2025-01-03 Qiya Song , Jiajun Hu , Lin Xiao , Bin Sun , Xieping Gao , Shutao Li

Humans inhabit a physical 4D world where geometric structure and semantic content evolve over time, constituting a dynamic 4D reality (spatial with temporal dimension). While current Multimodal Large Language Models (MLLMs) excel in static…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Yuzhi Huang , Kairun Wen , Rongxin Gao , Dongxuan Liu , Yibin Lou , Jie Wu , Jing Xu , Jian Zhang , Zheng Yang , Yunlong Lin , Chenxin Li , Panwang Pan , Junbin Lu , Jingyan Jiang , Xinghao Ding , Yue Huang , Zhi Wang

An increasing number and diversity of services are available, which result in significant challenges to effective reuse service during requirement satisfaction. There have been many service bundle recommendation studies and achieved…

Artificial Intelligence · Computer Science 2021-08-10 Mingyi Liu , Zhiying Tu , Xiaofei Xu , Zhongjie Wang

Deep learning methods have revolutionized speech recognition, image recognition, and natural language processing since 2010. Each of these tasks involves a single modality in their input signals. However, many applications in the artificial…

Artificial Intelligence · Computer Science 2020-07-15 Chao Zhang , Zichao Yang , Xiaodong He , Li Deng

Temporal Knowledge Graph (TKG) representation learning embeds entities and event types into a continuous low-dimensional vector space by integrating the temporal information, which is essential for downstream tasks, e.g., event prediction…

Machine Learning · Computer Science 2023-12-13 Xing Tang , Ling Chen

Multi-instance learning (MIL) is a widely-applied technique in practical applications that involve complex data structures. MIL can be broadly categorized into two types: traditional methods and those based on deep learning. These…

Artificial Intelligence · Computer Science 2023-04-25 Yu-Xuan Zhang , Zhengchun Zhou , Xingxing He , Avik Ranjan Adhikary , Bapi Dutta

Multimodal representation learning has been largely driven by contrastive models such as CLIP, which learn a shared embedding space by aligning paired image-text samples. While effective for general-purpose representation learning, such…

Machine Learning · Computer Science 2026-05-12 Yang Qiao , Yuntong Hu , Bowen Zhu , Hasibul Haque , Liang Zhao