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Sound Event Early Detection (SEED) is an essential task in recognizing the acoustic environments and soundscapes. However, most of the existing methods focus on the offline sound event detection, which suffers from the over-confidence issue…

声音 · 计算机科学 2022-02-15 Xujiang Zhao , Xuchao Zhang , Wei Cheng , Wenchao Yu , Yuncong Chen , Haifeng Chen , Feng Chen

We study few-shot acoustic event detection (AED) in this paper. Few-shot learning enables detection of new events with very limited labeled data. Compared to other research areas like computer vision, few-shot learning for audio recognition…

机器学习 · 计算机科学 2020-02-24 Bowen Shi , Ming Sun , Krishna C. Puvvada , Chieh-Chi Kao , Spyros Matsoukas , Chao Wang

It is challenging to detect the anomaly in crowded scenes for quite a long time. In this paper, a self-supervised framework, abnormal event detection network (AED-Net), which is composed of PCAnet and kernel principal component analysis…

计算机视觉与模式识别 · 计算机科学 2019-03-29 Tian Wang , Zichen Miao , Yuxin Chen , Yi Zhou , Guangcun Shan , Hichem Snoussi

Lifelong event detection aims to incrementally update a model with new event types and data while retaining the capability on previously learned old types. One critical challenge is that the model would catastrophically forget old types…

计算与语言 · 计算机科学 2022-09-19 Minqian Liu , Shiyu Chang , Lifu Huang

Recent works in Event Argument Extraction (EAE) have focused on improving model generalizability to cater to new events and domains. However, standard benchmarking datasets like ACE and ERE cover less than 40 event types and 25…

计算与语言 · 计算机科学 2023-06-02 Tanmay Parekh , I-Hung Hsu , Kuan-Hao Huang , Kai-Wei Chang , Nanyun Peng

Event extraction (EE) is a crucial task aiming at extracting events from texts, which includes two subtasks: event detection (ED) and event argument extraction (EAE). In this paper, we check the reliability of EE evaluations and identify…

计算与语言 · 计算机科学 2023-06-16 Hao Peng , Xiaozhi Wang , Feng Yao , Kaisheng Zeng , Lei Hou , Juanzi Li , Zhiyuan Liu , Weixing Shen

We introduce OpenEvents V1a large-scale benchmark dataset designed to advance event-centric vision-language understanding. Unlike conventional image captioning and retrieval datasets that focus on surface-level descriptions, OpenEvents V1…

计算机视觉与模式识别 · 计算机科学 2025-08-27 Hieu Nguyen , Phuc-Tan Nguyen , Thien-Phuc Tran , Minh-Quang Nguyen , Tam V. Nguyen , Minh-Triet Tran , Trung-Nghia Le

Document-level event extraction aims to extract structured event information from unstructured text. However, a single document often contains limited event information and the roles of different event arguments may be biased due to the…

计算与语言 · 计算机科学 2024-08-27 Qiang Gao , Zixiang Meng , Bobo Li , Jun Zhou , Fei Li , Chong Teng , Donghong Ji

With the rapid development of deep learning, video deraining has experienced significant progress. However, existing video deraining pipelines cannot achieve satisfying performance for scenes with rain layers of complex spatio-temporal…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Yueyi Zhang , Jin Wang , Wenming Weng , Xiaoyan Sun , Zhiwei Xiong

We propose to leverage concept-level representations for complex event recognition in photographs given limited training examples. We introduce a novel framework to discover event concept attributes from the web and use that to extract…

计算机视觉与模式识别 · 计算机科学 2017-01-18 Unaiza Ahsan , Chen Sun , James Hays , Irfan Essa

Document understanding tasks, in particular, Visually-rich Document Entity Retrieval (VDER), have gained significant attention in recent years thanks to their broad applications in enterprise AI. However, publicly available data have been…

计算与语言 · 计算机科学 2023-10-27 Lijun Yu , Jin Miao , Xiaoyu Sun , Jiayi Chen , Alexander G. Hauptmann , Hanjun Dai , Wei Wei

Multi-document summarization (MDS) aims to compress the content in large document collections into short summaries and has important applications in story clustering for newsfeeds, presentation of search results, and timeline generation.…

计算与语言 · 计算机科学 2020-05-21 Demian Gholipour Ghalandari , Chris Hokamp , Nghia The Pham , John Glover , Georgiana Ifrim

Event Sequences (EvS) refer to sequential data characterized by irregular sampling intervals and a mix of categorical and numerical features. Accurate classification of these sequences is crucial for various real-life applications,…

机器学习 · 计算机科学 2025-02-27 Dmitry Osin , Igor Udovichenko , Viktor Moskvoretskii , Egor Shvetsov , Evgeny Burnaev

Software vulnerability management has become increasingly critical as modern systems scale in size and complexity. However, existing automated approaches remain insufficient. Traditional static analysis methods struggle to precisely capture…

软件工程 · 计算机科学 2026-01-27 Zelong Zheng , Jiayuan Zhou , Xing Hu , Yi Gao , Shengyi Pan

Understanding human's language requires complex world knowledge. However, existing large-scale knowledge graphs mainly focus on knowledge about entities while ignoring knowledge about activities, states, or events, which are used to…

人工智能 · 计算机科学 2020-01-28 Hongming Zhang , Xin Liu , Haojie Pan , Yangqiu Song , Cane Wing-Ki Leung

Dynamic vision sensors (DVS) are bio-inspired devices that capture visual information in the form of asynchronous events, which encode changes in pixel intensity with high temporal resolution and low latency. These events provide rich…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Jingkai Sun , Qiang Zhang , Jiaxu Wang , Jiahang Cao , Renjing Xu

Event detection in time series is a challenging task due to the prevalence of imbalanced datasets, rare events, and time interval-defined events. Traditional supervised deep learning methods primarily employ binary classification, where…

机器学习 · 统计学 2024-09-16 Menouar Azib , Benjamin Renard , Philippe Garnier , Vincent Génot , Nicolas André

The mining of adverse drug events (ADEs) is pivotal in pharmacovigilance, enhancing patient safety by identifying potential risks associated with medications, facilitating early detection of adverse events, and guiding regulatory…

人工智能 · 计算机科学 2024-10-04 Pranab Sahoo , Ayush Kumar Singh , Sriparna Saha , Aman Chadha , Samrat Mondal

In this work, we present the first dataset, MailEx, for performing event extraction from conversational email threads. To this end, we first proposed a new taxonomy covering 10 event types and 76 arguments in the email domain. Our final…

计算与语言 · 计算机科学 2023-10-24 Saurabh Srivastava , Gaurav Singh , Shou Matsumoto , Ali Raz , Paulo Costa , Joshua Poore , Ziyu Yao

Multimodal large language models (MLLMs) have made significant advancements in event-based vision, yet the comprehensive evaluation of their capabilities within a unified benchmark remains largely unexplored. In this work, we introduce…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Shaoyu Liu , Jianing Li , Guanghui Zhao , Yunjian Zhang , Xiangyang Ji