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Related papers: Lifelong Event Detection via Optimal Transport

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This paper introduces the Ongoing Event Detection (OED) task, which is a specific Event Detection task where the goal is to detect ongoing event mentions only, as opposed to historical, future, hypothetical, or other forms or events that…

Computation and Language · Computer Science 2021-02-09 Mariano Maisonnave , Fernando Delbianco , Fernando Tohmé , Ana Maguitman , Evangelos Milios

Event Detection (ED) aims to identify event trigger words from a given text and classify it into an event type. Most of current methods to ED rely heavily on training instances, and almost ignore the correlation of event types. Hence, they…

Information Retrieval · Computer Science 2023-02-03 Shumin Deng , Ningyu Zhang , Luoqiu Li , Hui Chen , Huaixiao Tou , Mosha Chen , Fei Huang , Huajun Chen

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…

Computation and Language · Computer Science 2022-09-19 Minqian Liu , Shiyu Chang , Lifu Huang

To mitigate forgetting, existing lifelong event detection methods typically maintain a memory module and replay the stored memory data during the learning of a new task. However, the simple combination of memory data and new-task samples…

Computation and Language · Computer Science 2024-04-04 Chengwei Qin , Ruirui Chen , Ruochen Zhao , Wenhan Xia , Shafiq Joty

Object detection with event cameras benefits from the sensor's low latency and high dynamic range. However, it is costly to fully label event streams for supervised training due to their high temporal resolution. To reduce this cost, we…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Ziyi Wu , Mathias Gehrig , Qing Lyu , Xudong Liu , Igor Gilitschenski

While numerous methods achieving remarkable performance exist in the Object Detection literature, addressing data distribution shifts remains challenging. Continual Learning (CL) offers solutions to this issue, enabling models to adapt to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Francesco Pasti , Marina Ceccon , Davide Dalle Pezze , Francesco Paissan , Elisabetta Farella , Gian Antonio Susto , Nicola Bellotto

In real-world applications, dynamic scenarios require the models to possess the capability to learn new tasks continuously without forgetting the old knowledge. Experience-Replay methods store a subset of the old images for joint training.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Xinyuan Gao , Songlin Dong , Yuhang He , Xing Wei , Yihong Gong

Temporal detection problems appear in many fields including time-series estimation, activity recognition and sound event detection (SED). In this work, we propose a new approach to temporal event modeling by explicitly modeling event onsets…

Sound event detection (SED) has gained increasing attention with its wide application in surveillance, video indexing, etc. Existing models in SED mainly generate frame-level prediction, converting it into a sequence multi-label…

Sound · Computer Science 2021-11-15 Zhirong Ye , Xiangdong Wang , Hong Liu , Yueliang Qian , Rui Tao , Long Yan , Kazushige Ouchi

Continually adapting edge models in cloud-edge collaborative object detection for traffic monitoring suffers from catastrophic forgetting, where models lose previously learned knowledge when adapting to new data distributions. This is…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Xinrun Xu , Jianwen Yang , Qiuhong Zhang , Zhanbiao Lian , Zhiming Ding , Shan Jiang

As world knowledge advances and new task schemas emerge, Continual Learning (CL) becomes essential for keeping Large Language Models (LLMs) current and addressing their shortcomings. This process typically involves continual instruction…

Machine Learning · Computer Science 2024-12-17 Haokun Zhao , Haixia Han , Jie Shi , Chengyu Du , Jiaqing Liang , Yanghua Xiao

Developing autonomous vehicles (AVs) helps improve the road safety and traffic efficiency of intelligent transportation systems (ITS). Accurately predicting the trajectories of traffic participants is essential to the decision-making and…

Robotics · Computer Science 2022-12-22 Yunlong Lin , Zirui Li , Cheng Gong , Chao Lu , Xinwei Wang , Jianwei Gong

This paper proposes an active learning system for sound event detection (SED). It aims at maximizing the accuracy of a learned SED model with limited annotation effort. The proposed system analyzes an initially unlabeled audio dataset, from…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-10 Shuyang Zhao , Toni Heittola , Tuomas Virtanen

We introduce optimal transport (OT) as a physics-based intermediate event representation for weakly supervised anomaly detection. With only $0.5\%$ injection of resonant signals in the LHC Olympics benchmark datasets, the OT-augmented…

High Energy Physics - Phenomenology · Physics 2026-03-20 Tianji Cai , Aditya Bhargava , Benjamin Nachman

Event-based vision revolutionizes traditional image sensing by capturing asynchronous intensity variations rather than static frames, enabling ultrafast temporal resolution, sparse data encoding, and enhanced motion perception. While this…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Joey Mulé , Dhandeep Challagundla , Rachit Saini , Riadul Islam

Event detection refers to identifying event occurrences in a text and comprises of two subtasks; event identification and classification. We present EDM3, a novel approach for Event Detection that formulates three generative tasks:…

Computation and Language · Computer Science 2023-05-29 Ujjwala Anantheswaran , Himanshu Gupta , Mihir Parmar , Kuntal Kumar Pal , Chitta Baral

Modern pre-trained architectures struggle to retain previous information while undergoing continuous fine-tuning on new tasks. Despite notable progress in continual classification, systems designed for complex vision tasks such as detection…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Gaurav Bhatt , James Ross , Leonid Sigal

Autonomous driving (AD) systems relying solely on onboard sensors may fail to detect distant or obstacle hazards, potentially causing preventable collisions; however, existing transformer-based Vehicle-to-Everything (V2X) approaches, which…

Artificial Intelligence · Computer Science 2025-08-13 Fengze Yang , Bo Yu , Yang Zhou , Xuewen Luo , Zhengzhong Tu , Chenxi Liu

Few-shot Continual Event Detection (FCED) poses the dual challenges of learning from limited data and mitigating catastrophic forgetting across sequential tasks. Existing approaches often suffer from severe forgetting due to the full…

Machine Learning · Computer Science 2025-09-30 Bao-Ngoc Dao , Quang Nguyen , Luyen Ngo Dinh , Minh Le , Linh Ngo Van

In online incremental learning, data continuously arrives with substantial distributional shifts, creating a significant challenge because previous samples have limited replay value when learning a new task. Prior research has typically…

Machine Learning · Computer Science 2026-04-17 Quyen Tran , Hai Nguyen , Hoang Phan , Quan Dao , Linh Ngo , Khoat Than , Dinh Phung , Dimitris Metaxas , Trung Le
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