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Event cameras provide microsecond-level temporal resolution, low latency, and high dynamic range, offering potential for perception under fast motion and challenging illumination conditions. However, existing Event-based Object Detection…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Meisen Wang , Hao Deng , Wei Bao , Ma Yuanxiao , Chengjie Wang , Zhiqiang Tian , Shaoyi Du , Siqi Li

Knowledge graph (KG) plays an increasingly important role to improve the recommendation performance and interpretability. A recent technical trend is to design end-to-end models based on information propagation schemes. However, existing…

Information Retrieval · Computer Science 2022-04-12 Yuntao Du , Xinjun Zhu , Lu Chen , Baihua Zheng , Yunjun Gao

Events in natural videos typically arise from spatio-temporal interactions between actors and objects and involve multiple co-occurring activities and object classes. To capture this rich visual and semantic context, we propose using two…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Effrosyni Mavroudi , Benjamín Béjar Haro , René Vidal

Event Detection (ED) aims to recognize instances of specified types of event triggers in text. Different from English ED, Chinese ED suffers from the problem of word-trigger mismatch due to the uncertain word boundaries. Existing approaches…

Computation and Language · Computer Science 2023-01-05 Shiyao Cui , Bowen Yu , Xin Cong , Tingwen Liu , Quangang Li , Jinqiao Shi

How to make a segmentation model efficiently adapt to a specific video and to online target appearance variations are fundamentally crucial issues in the field of video object segmentation. In this work, a graph memory network is developed…

Computer Vision and Pattern Recognition · Computer Science 2020-12-10 Xiankai Lu , Wenguan Wang , Martin Danelljan , Tianfei Zhou , Jianbing Shen , Luc Van Gool

Dynamic graphs with ordered sequences of events between nodes are prevalent in real-world industrial applications such as e-commerce and social platforms. However, representation learning for dynamic graphs has posed great computational…

Machine Learning · Computer Science 2021-12-16 Xinshi Chen , Yan Zhu , Haowen Xu , Mengyang Liu , Liang Xiong , Muhan Zhang , Le Song

We introduce a novel diffusion-based video generation method, generating a video showing multiple events given multiple individual sentences from the user. Our method does not require a large-scale video dataset since our method uses a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Gyeongrok Oh , Jaehwan Jeong , Sieun Kim , Wonmin Byeon , Jinkyu Kim , Sungwoong Kim , Sangpil Kim

We propose a framework for parsing video and text jointly for understanding events and answering user queries. Our framework produces a parse graph that represents the compositional structures of spatial information (objects and scenes),…

Computer Vision and Pattern Recognition · Computer Science 2014-02-24 Kewei Tu , Meng Meng , Mun Wai Lee , Tae Eun Choe , Song-Chun Zhu

Cognitive science has shown that humans perceive videos in terms of events separated by the state changes of dominant subjects. State changes trigger new events and are one of the most useful among the large amount of redundant information…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Yuxuan Wang , Difei Gao , Licheng Yu , Stan Weixian Lei , Matt Feiszli , Mike Zheng Shou

Grounding language queries in videos aims at identifying the time interval (or moment) semantically relevant to a language query. The solution to this challenging task demands understanding videos' and queries' semantic content and the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Mattia Soldan , Mengmeng Xu , Sisi Qu , Jesper Tegner , Bernard Ghanem

Today most applications continuously produce information under the form of streams, due to the advent of the means of collecting data. Sensors and social networks collect an immense variety and volume of data, from different real-life…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-02-17 Vitor Pinheiro de Almeida , Sukanya Bhowmik , Markus Endler , Kurt Rothermel

Human daily activities can be concisely narrated as sequences of routine events (e.g., turning off an alarm) in video streams, forming an event vocabulary. Motivated by this, we introduce VLog, a novel video understanding framework that…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Kevin Qinghong Lin , Mike Zheng Shou

Recent advances in event-based research prioritize sparsity and temporal precision. Approaches using dense frame-based representations processed via well-pretrained CNNs are being replaced by the use of sparse point-based representations…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Yongjian Deng , Hao Chen , Bochen Xie , Hai Liu , Youfu Li

A fundamental aspect for building intelligent autonomous robots that can assist humans in their daily lives is the construction of rich environmental representations. While advances in semantic scene representations have enriched robotic…

Robotics · Computer Science 2026-02-17 Phuoc Nguyen , Francesco Verdoja , Ville Kyrki

Event cameras offer advantages in object detection tasks due to high-speed response, low latency, and robustness to motion blur. However, event cameras lack texture and color information, making open-vocabulary detection particularly…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Jinchang Zhang , Zijun Li , Jiakai Lin , Guoyu Lu

Knowledge graphs represent real-world entities and their relations in a semantically-rich structure supported by ontologies. Exploring this data with machine learning methods often relies on knowledge graph embeddings, which produce latent…

Machine Learning · Computer Science 2023-06-23 Rita T. Sousa , Sara Silva , Catia Pesquita

Detecting complex patterns in large volumes of event logs has diverse applications in various domains, such as business processes and fraud detection. Existing systems like ELK are commonly used to tackle this challenge, but their…

Databases · Computer Science 2024-01-19 Ioannis Mavroudopoulos , Anastasios Gounaris

Most knowledge graph completion (KGC) methods learn latent representations of entities and relations of a given graph by mapping them into a vector space. Although the majority of these methods focus on static knowledge graphs, a large…

Machine Learning · Computer Science 2023-09-29 Duygu Sezen Islakoglu , Mel Chekol , Yannis Velegrakis

Egocentric videos capture scenes from a wearer's viewpoint, resulting in dynamic backgrounds, frequent motion, and occlusions, posing challenges to accurate keystep recognition. We propose a flexible graph-learning framework for…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Julia Lee Romero , Kyle Min , Subarna Tripathi , Morteza Karimzadeh

EEG signals capture brain activity with high temporal and low spatial resolution, supporting applications such as neurological diagnosis, cognitive monitoring, and brain-computer interfaces. However, effective analysis is hindered by…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Amirabbas Hojjati , Lu Li , Ibrahim Hameed , Anis Yazidi , Pedro G. Lind , Rabindra Khadka