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Recently, scene text detection has been a challenging task. Texts with arbitrary shape or large aspect ratio are usually hard to detect. Previous segmentation-based methods can describe curve text more accurately but suffer from over…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Qi Zhao , Yufei Wang , Shuchang Lyu , Lijiang Chen

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

Social platforms have emerged as crucial platforms for distributing information and discussing social events, offering researchers an excellent opportunity to design and implement novel event detection frameworks. Identifying unspecified…

Computation and Language · Computer Science 2025-06-12 Mohammadali Sefidi Esfahani , Mohammad Akbari

In this paper, we present a novel cross-consistency based semi-supervised approach for semantic segmentation. Consistency training has proven to be a powerful semi-supervised learning framework for leveraging unlabeled data under the…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Yassine Ouali , Céline Hudelot , Myriam Tami

Existing semantic segmentation approaches either aim to improve the object's inner consistency by modeling the global context, or refine objects detail along their boundaries by multi-scale feature fusion. In this paper, a new paradigm for…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Xiangtai Li , Xia Li , Li Zhang , Guangliang Cheng , Jianping Shi , Zhouchen Lin , Shaohua Tan , Yunhai Tong

Script event prediction requires a model to predict the subsequent event given an existing event context. Previous models based on event pairs or event chains cannot make full use of dense event connections, which may limit their capability…

Artificial Intelligence · Computer Science 2018-05-17 Zhongyang Li , Xiao Ding , Ting Liu

Instance segmentation is the problem of detecting and delineating each distinct object of interest appearing in an image. Current instance segmentation approaches consist of ensembles of modules that are trained independently of each other,…

Computer Vision and Pattern Recognition · Computer Science 2016-10-26 Bernardino Romera-Paredes , Philip H. S. Torr

Due to the rapid growth of social media platforms, these tools have become essential for monitoring information during ongoing disaster events. However, extracting valuable insights requires real-time processing of vast amounts of data. A…

Computation and Language · Computer Science 2025-11-14 Philipp Seeberger , Steffen Freisinger , Tobias Bocklet , Korbinian Riedhammer

We address the weakly supervised video highlight detection problem for learning to detect segments that are more attractive in training videos given their video event label but without expensive supervision of manually annotating highlight…

Computer Vision and Pattern Recognition · Computer Science 2020-08-14 Fa-Ting Hong , Xuanteng Huang , Wei-Hong Li , Wei-Shi Zheng

In order to leverage and profit from unlabelled data, semi-supervised frameworks for semantic segmentation based on consistency training have been proven to be powerful tools to significantly improve the performance of purely supervised…

Computer Vision and Pattern Recognition · Computer Science 2021-12-09 Max Coenen , Tobias Schack , Dries Beyer , Christian Heipke , Michael Haist

Most event extraction methods have traditionally relied on an annotated set of event types. However, creating event ontologies and annotating supervised training data are expensive and time-consuming. Previous work has proposed…

Computation and Language · Computer Science 2022-02-15 Carl Edwards , Heng Ji

In this paper, we propose a recent and under-researched paradigm for the task of event detection (ED) by casting it as a question-answering (QA) problem with the possibility of multiple answers and the support of entities. The extraction of…

Computation and Language · Computer Science 2021-04-15 Emanuela Boros , Jose G. Moreno , Antoine Doucet

In conventional sound event detection (SED) models, two types of events, namely, those that are present and those that do not occur in an acoustic scene, are regarded as the same type of events. The conventional SED methods cannot…

Sound · Computer Science 2021-02-11 Noriyuki Tonami , Keisuke Imoto , Yuki Okamoto , Takahiro Fukumori , Yoichi Yamashita

In this paper, we propose addressing the lack of strongly labeled data by using pseudo strongly labeled data approximated using Convolutive Nonnegative Matrix Factorization. Using this set of data, we then train a novel architecture called…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-03 Teck Kai Chan , Cheng Siong Chin

Fully supervised deep neural networks for segmentation usually require a massive amount of pixel-level labels which are manually expensive to create. In this work, we develop a multi-task learning method to relax this constraint. We regard…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Rihuan Ke , Aurélie Bugeau , Nicolas Papadakis , Mark Kirkland , Peter Schuetz , Carola-Bibiane Schönlieb

The existing event classification (EC) work primarily focuseson the traditional supervised learning setting in which models are unableto extract event mentions of new/unseen event types. Few-shot learninghas not been investigated in this…

Computation and Language · Computer Science 2020-06-22 Viet Dac Lai , Franck Dernoncourt , Thien Huu Nguyen

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

Text segmentation plays an important role in various Natural Language Processing (NLP) tasks like summarization, context understanding, document indexing and document noise removal. Previous methods for this task require manual feature…

Machine Learning · Computer Science 2018-08-30 Pinkesh Badjatiya , Litton J Kurisinkel , Manish Gupta , Vasudeva Varma

Traditional event coreference systems usually rely on pipeline framework and hand-crafted features, which often face error propagation problem and have poor generalization ability. In this paper, we propose an End-to-End Event Coreference…

Computation and Language · Computer Science 2020-09-18 Yaojie Lu , Hongyu Lin , Jialong Tang , Xianpei Han , Le Sun

Most sound event detection (SED) systems perform well on clean datasets but degrade significantly in noisy environments. Language-queried audio source separation (LASS) models show promise for robust SED by separating target events;…

Sound · Computer Science 2025-08-12 Yuanjian Chen , Yang Xiao , Han Yin , Yadong Guan , Xubo Liu