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Graph neural networks (GNNs) have proven their efficacy in a variety of real-world applications, but their underlying mechanisms remain a mystery. To address this challenge and enable reliable decision-making, many GNN explainers have been…

机器学习 · 计算机科学 2023-10-12 Yiqiao Li , Jianlong Zhou , Yifei Dong , Niusha Shafiabady , Fang Chen

In domains such as healthcare, finance, and e-commerce, the temporal dynamics of relational data emerge from complex interactions-such as those between patients and providers, or users and products across diverse categories. To be broadly…

机器学习 · 计算机科学 2025-11-07 Divyansha Lachi , Mahmoud Mohammadi , Joe Meyer , Vinam Arora , Tom Palczewski , Eva L. Dyer

This paper explores the utilization of Temporal Graph Networks (TGN) for financial anomaly detection, a pressing need in the era of fintech and digitized financial transactions. We present a comprehensive framework that leverages TGN,…

统计金融 · 定量金融 2024-04-02 Yejin Kim , Youngbin Lee , Minyoung Choe , Sungju Oh , Yongjae Lee

This report details the methods of the winning entry of the AVDN Challenge in ICCV CLVL 2023. The competition addresses the Aerial Navigation from Dialog History (ANDH) task, which requires a drone agent to associate dialog history with…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Yifei Su , Dong An , Yuan Xu , Kehan Chen , Yan Huang

There has been a recent surge in learning generative models for graphs. While impressive progress has been made on static graphs, work on generative modeling of temporal graphs is at a nascent stage with significant scope for improvement.…

机器学习 · 计算机科学 2022-08-26 Shubham Gupta , Sahil Manchanda , Srikanta Bedathur , Sayan Ranu

Reconstructing dynamic 3D scenes from monocular videos requires simultaneously capturing high-frequency appearance details and temporally continuous motion. Existing methods using single Gaussian primitives are limited by their low-pass…

计算机视觉与模式识别 · 计算机科学 2026-01-05 Jiewen Chan , Zhenjun Zhao , Yu-Lun Liu

Attempt to fully discover the temporal diversity and chronological characteristics for self-supervised video representation learning, this work takes advantage of the temporal dependencies within videos and further proposes a novel…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Yang Liu , Keze Wang , Haoyuan Lan , Liang Lin

Temporal sentence grounding in videos (TSGV) faces challenges due to public TSGV datasets containing significant temporal biases, which are attributed to the uneven temporal distributions of target moments. Existing methods generate…

计算机视觉与模式识别 · 计算机科学 2025-01-15 Junlong Ren , Gangjian Zhang , Haifeng Sun , Hao Wang

Tracking any point (TAP) is a fundamental yet challenging task in computer vision, requiring high precision and long-term motion reasoning. Recent attempts to combine RGB frames and event streams have shown promise, yet they typically rely…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Jiaxiong Liu , Zhen Tan , Jinpu Zhang , Yi Zhou , Hui Shen , Xieyuanli Chen , Dewen Hu

Although various image-based domain adaptation (DA) techniques have been proposed in recent years, domain shift in videos is still not well-explored. Most previous works only evaluate performance on small-scale datasets which are saturated.…

计算机视觉与模式识别 · 计算机科学 2019-09-17 Min-Hung Chen , Zsolt Kira , Ghassan AlRegib , Jaekwon Yoo , Ruxin Chen , Jian Zheng

Knowledge is inherently time-sensitive and continuously evolves over time. Although current Retrieval-Augmented Generation (RAG) systems enrich LLMs with external knowledge, they largely ignore this temporal nature. This raises two…

信息检索 · 计算机科学 2025-10-16 Jiale Han , Austin Cheung , Yubai Wei , Zheng Yu , Xusheng Wang , Bing Zhu , Yi Yang

Graph classification is an important learning task for graph-structured data. Graph neural networks (GNNs) have recently gained growing attention in graph learning and have shown significant improvements in many important graph problems.…

机器学习 · 计算机科学 2024-01-31 Tao Wen , Elynn Chen , Yuzhou Chen

The surging demand for high-definition video streaming services and large neural network models (e.g., Generative Pre-trained Transformer, GPT) implies a tremendous explosion of Internet traffic. To mitigate the traffic pressure,…

人工智能 · 计算机科学 2023-03-15 Jianhang Zhu , Rongpeng Li , Xianfu Chen , Shiwen Mao , Jianjun Wu , Zhifeng Zhao

Given video demonstrations and paired narrations of an at-home procedural task such as changing a tire, we present an approach to extract the underlying task structure -- relevant actions and their temporal dependencies -- via…

计算机视觉与模式识别 · 计算机科学 2023-02-13 Weichao Mao , Ruta Desai , Michael Louis Iuzzolino , Nitin Kamra

Temporal Video Grounding (TVG) aims to localize video segments corresponding to a given textual query, which often describes human actions. However, we observe that current methods, usually optimizing for high temporal…

人工智能 · 计算机科学 2026-02-16 Zhaoyu Chen , Hongnan Lin , Yongwei Nie , Fei Ma , Xuemiao Xu , Fei Yu , Chengjiang Long

This technical report presents an overview of our solution used in the submission to 2021 HACS Temporal Action Localization Challenge on both Supervised Learning Track and Weakly-Supervised Learning Track. Temporal Action Localization (TAL)…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Haisheng Su , Peiqin Zhuang , Yukun Li , Dongliang Wang , Weihao Gan , Wei Wu , Yu Qiao

By incorporating the graph structural information into Transformers, graph Transformers have exhibited promising performance for graph representation learning in recent years. Existing graph Transformers leverage specific strategies, such…

机器学习 · 计算机科学 2022-11-16 Gaichao Li , Jinsong Chen , Kun He

Online continual learning for image classification is crucial for models to adapt to new data while retaining knowledge of previously learned tasks. This capability is essential to address real-world challenges involving dynamic…

计算机视觉与模式识别 · 计算机科学 2025-02-14 Adjovi Sim , Zhengkui Wang , Aik Beng Ng , Shalini De Mello , Simon See , Wonmin Byeon

Temporal link prediction in dynamic graphs is a critical task with applications in diverse domains such as social networks, recommendation systems, and e-commerce platforms. While existing Temporal Graph Neural Networks (T-GNNs) have…

人工智能 · 计算机科学 2025-07-21 Haoyang Li , Yuming Xu , Yiming Li , Hanmo Liu , Darian Li , Chen Jason Zhang , Lei Chen , Qing Li

Temporal action proposal generation plays an important role in video action understanding, which requires localizing high-quality action content precisely. However, generating temporal proposals with both precise boundaries and high-quality…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Yueran Bai , Yingying Wang , Yunhai Tong , Yang Yang , Qiyue Liu , Junhui Liu