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Few works in the literature of event extraction have gone beyond individual sentences to make extraction decisions. This is problematic when the information needed to recognize an event argument is spread across multiple sentences. We argue…

计算与语言 · 计算机科学 2020-05-15 Xinya Du , Claire Cardie

Recently, multimodal tasks have strongly advanced the field of action recognition with their rich multimodal information. However, due to the scarcity of tri-modal data, research on tri-modal action recognition tasks faces many challenges.…

计算机视觉与模式识别 · 计算机科学 2025-06-12 Songping Wang , Xiantao Hu , Yueming Lyu , Caifeng Shan

A variety of real-world processes (over networks) produce sequences of data whose complex temporal dynamics need to be studied. More especially, the event timestamps can carry important information about the underlying network dynamics,…

机器学习 · 计算机科学 2017-03-27 Shuai Xiao , Junchi Yan , Mehrdad Farajtabar , Le Song , Xiaokang Yang , Hongyuan Zha

This study follows many classical approaches to multi-object tracking (MOT) that model the problem using dynamic graphical data structures, and adapts this formulation to make it amenable to modern neural networks. Our main contributions in…

计算机视觉与模式识别 · 计算机科学 2021-05-10 Akshay Rangesh , Pranav Maheshwari , Mez Gebre , Siddhesh Mhatre , Vahid Ramezani , Mohan M. Trivedi

As moving objects always draw more attention of human eyes, the temporal motive information is always exploited complementarily with spatial information to detect salient objects in videos. Although efficient tools such as optical flow have…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Jing Liu , Jiaxiang Wang , Weikang Wang , Yuting Su

Contextual multi-armed bandit problems arise frequently in important industrial applications. Existing solutions model the context either linearly, which enables uncertainty driven (principled) exploration, or non-linearly, by using…

机器学习 · 计算机科学 2018-07-27 Mark Collier , Hector Urdiales Llorens

Multi-choice reading comprehension is a challenging task to select an answer from a set of candidate options when given passage and question. Previous approaches usually only calculate question-aware passage representation and ignore…

计算与语言 · 计算机科学 2020-01-17 Shuailiang Zhang , Hai Zhao , Yuwei Wu , Zhuosheng Zhang , Xi Zhou , Xiang Zhou

We propose ContextRL, a novel framework that leverages context augmentation to overcome these bottlenecks. Specifically, to enhance Identifiability, we provide the reward model with full reference solutions as context, enabling fine-grained…

Object detection in challenging situations such as scale variation, occlusion, and truncation depends not only on feature details but also on contextual information. Most previous networks emphasize too much on detailed feature extraction…

计算机视觉与模式识别 · 计算机科学 2018-09-07 Wenchi Ma , Yuanwei Wu , Zongbo Wang , Guanghui Wang

We introduce a system that recognizes concurrent activities from real-world data captured by multiple sensors of different types. The recognition is achieved in two steps. First, we extract spatial and temporal features from the multimodal…

计算机视觉与模式识别 · 计算机科学 2017-02-07 Xinyu Li , Yanyi Zhang , Jianyu Zhang , Shuhong Chen , Ivan Marsic , Richard A. Farneth , Randall S. Burd

The prosperity of deep learning contributes to the rapid progress in scene text detection. Among all the methods with convolutional networks, segmentation-based ones have drawn extensive attention due to their superiority in detecting text…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Jingyu Lin , Jie Jiang , Yan Yan , Chunchao Guo , Hongfa Wang , Wei Liu , Hanzi Wang

In this paper, we consider context-awareness to enhance route reliability and robustness in multi-hop cognitive networks. A novel context-aware route discovery protocol is presented to enable secondary users to select the route according to…

网络与互联网体系结构 · 计算机科学 2016-01-12 B. Lorenzo , I. Kovacevic , F. J. Gonzalez-Castano , J. C. Burguillo

News recommendation models often fall short in capturing users' preferences due to their static approach to user-news interactions. To address this limitation, we present a novel dynamic news recommender model that seamlessly integrates…

信息检索 · 计算机科学 2023-09-20 Qinghua Zhao

Recent graph convolutional neural networks (GCNs) have shown high performance in the field of human action recognition by using human skeleton poses. However, it fails to detect human-object interaction cases successfully due to the lack of…

计算机视觉与模式识别 · 计算机科学 2025-09-18 Hesham M. Shehata , Mohammad Abdolrahmani

We propose a novel recurrent attentional structure to localize and recognize objects jointly. The network can learn to extract a sequence of local observations with detailed appearance and rough context, instead of sliding windows or…

计算机视觉与模式识别 · 计算机科学 2017-12-20 Jie Lyu , Zejian Yuan , Dapeng Chen

Recent advances in reading comprehension have resulted in models that surpass human performance when the answer is contained in a single, continuous passage of text. However, complex Question Answering (QA) typically requires multi-hop…

人工智能 · 计算机科学 2019-10-02 Mokanarangan Thayaparan , Marco Valentino , Viktor Schlegel , Andre Freitas

Text recognition in natural scene is a challenging problem due to the many factors affecting text appearance. In this paper, we presents a method that directly transcribes scene text images to text without needing of sophisticated character…

计算机视觉与模式识别 · 计算机科学 2016-01-07 Guo Qiang , Tu Dan , Li Guohui , Lei Jun

Monocular depth estimation and semantic segmentation are two fundamental goals of scene understanding. Due to the advantages of task interaction, many works study the joint task learning algorithm. However, most existing methods fail to…

计算机视觉与模式识别 · 计算机科学 2021-09-02 Tianxiao Gao , Wu Wei , Zhongbin Cai , Zhun Fan , Shane Xie , Xinmei Wang , Qiuda Yu

Most existing document-level neural machine translation (NMT) models leverage a fixed number of the previous or all global source sentences to handle the context-independent problem in standard NMT. However, the translating of each source…

计算与语言 · 计算机科学 2021-10-08 Linlin Zhang

Multimodal large language models (MLLMs) have demonstrated strong performance in understanding videos holistically, yet their ability to process streaming videos-videos are treated as a sequence of visual events-remains underexplored.…

计算机视觉与模式识别 · 计算机科学 2025-02-24 Gengyuan Zhang , Mingcong Ding , Tong Liu , Yao Zhang , Volker Tresp