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相关论文: Lost in Space: Geolocation in Event Data

200 篇论文

Cross-view geo-localization identifies the locations of street-view images by matching them with geo-tagged satellite images or OSM. However, most existing studies focus on image-to-image retrieval, with fewer addressing text-guided…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Junyan Ye , Honglin Lin , Leyan Ou , Dairong Chen , Zihao Wang , Qi Zhu , Conghui He , Weijia Li

We present a new algorithm for inferring the home location of Twitter users at different granularities, including city, state, time zone or geographic region, using the content of users tweets and their tweeting behavior. Unlike existing…

社会与信息网络 · 计算机科学 2014-03-11 Jalal Mahmud , Jeffrey Nichols , Clemens Drews

Place classification is a fundamental ability that a robot should possess to carry out effective human-robot interactions. It is a nontrivial classification problem which has attracted many research. In recent years, there is a high…

机器人学 · 计算机科学 2015-06-15 Yiyi Liao , Sarath Kodagoda , Yue Wang , Lei Shi , Yong Liu

Research on automatically geolocating social media users has conventionally been based on the text content of posts from a given user or the social network of the user, with very little crossover between the two, and no bench-marking of the…

计算与语言 · 计算机科学 2015-06-17 Afshin Rahimi , Duy Vu , Trevor Cohn , Timothy Baldwin

Real-time tweets can provide useful information on evolving events and situations. Geotagged tweets are especially useful, as they indicate the location of origin and provide geographic context. However, only a small portion of tweets are…

社会与信息网络 · 计算机科学 2019-10-08 Luke S. Snyder , Morteza Karimzadeh , Ray Chen , David S. Ebert

Twitter is a useful resource to analyze peoples' opinions on various topics. Often these topics are correlated or associated with locations from where these Tweet posts are made. For example, restaurant owners may need to know where their…

机器学习 · 计算机科学 2021-06-28 Florina Dutt , Subhajit Das

Scene text is an important feature to be extracted, especially in vision-based mobile robot navigation as many potential landmarks such as nameplates and information signs contain text. In this paper, a novel two-step text localization…

机器人学 · 计算机科学 2017-09-28 Kazem Qazanfari , Saeed Shiri

The ability of robots to estimate their location is crucial for a wide variety of autonomous operations. In settings where GPS is unavailable, measurements of transmissions from fixed beacons provide an effective means of estimating a…

机器人学 · 计算机科学 2017-09-21 Charles Schaff , David Yunis , Ayan Chakrabarti , Matthew R. Walter

In this work we present a novel approach to joint semantic localisation and scene understanding. Our work is motivated by the need for localisation algorithms which not only predict 6-DoF camera pose but also simultaneously recognise…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Ignas Budvytis , Marvin Teichmann , Tomas Vojir , Roberto Cipolla

Place recognition, the ability to identify previously visited locations, is critical for both biological navigation and autonomous systems. This review synthesizes findings from robotic systems, animal studies, and human research to explore…

机器人学 · 计算机科学 2025-11-19 Michael Milford , Tobias Fischer

Online social networks contain a constantly increasing amount of images - most of them focusing on people. Due to cultural and climate factors, fashion trends and physical appearance of individuals differ from city to city. In this paper we…

计算机视觉与模式识别 · 计算机科学 2018-02-01 Kaili Wang , Yu-Hui Huang , Jose Oramas , Luc Van Gool , Tinne Tuytelaars

People post information about different topics which are in their active vocabulary over social media platforms (like Twitter, Facebook, PInterest and Google+). They follow each other and it is more likely that the person who posts…

社会与信息网络 · 计算机科学 2022-08-30 Muskan Garg

Location information will play a very important role in emerging wireless networks such as Intelligent Transportation Systems, 5G, and the Internet of Things. However, wrong location information can result in poor network outcomes. It is…

信号处理 · 电气工程与系统科学 2020-07-08 Ullah Ihsan , Robert Malaney , Shihao Yan

Many localization algorithms and systems have been developed by means of wireless sensor networks for both indoor and outdoor environments. To achieve higher localization accuracy, extra hardware equipments are utilized by most of the…

网络与互联网体系结构 · 计算机科学 2016-11-17 Tao Huang , Zhikui Chen , Feng Xia , Cheng Jin , Liang Li

Event detection in a multimodal Twitter dataset is considered. We treat the hashtags in the dataset as instances with two modes: text and geolocation features. The text feature consists of a bag-of-words representation. The geolocation…

应用统计 · 统计学 2016-05-17 Yasin Yilmaz , Alfred Hero

Planet-scale photo geolocalization is the complex task of estimating the location depicted in an image solely based on its visual content. Due to the success of convolutional neural networks (CNNs), current approaches achieve super-human…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Jonas Theiner , Eric Mueller-Budack , Ralph Ewerth

Spatial co-location patterns are the subsets of Boolean spatial features whose instances are often located in close geographic proximity. Co-location rules can be identified by spatial statistics or data mining approaches. In data mining…

数据库 · 计算机科学 2011-09-07 M. Venkatesan , Arunkumar Thangavelu , P. Prabhavathy

Early detection of relevant locations in a piece of news is especially important in extreme events such as environmental disasters, war conflicts, disease outbreaks, or political turmoils. Additionally, this detection also helps recommender…

计算与语言 · 计算机科学 2022-12-23 Víctor Suárez-Paniagua , Steven Derby , Tri Kurniawan Wijaya

A common need for artificial intelligence models in the broader geoscience is to represent and encode various types of spatial data, such as points (e.g., points of interest), polylines (e.g., trajectories), polygons (e.g., administrative…

机器学习 · 计算机科学 2022-03-14 Gengchen Mai , Krzysztof Janowicz , Yingjie Hu , Song Gao , Bo Yan , Rui Zhu , Ling Cai , Ni Lao

Geolocation is now a vital aspect of modern life, offering numerous benefits but also presenting serious privacy concerns. The advent of large vision-language models (LVLMs) with advanced image-processing capabilities introduces new risks,…

密码学与安全 · 计算机科学 2024-08-20 Yi Liu , Junchen Ding , Gelei Deng , Yuekang Li , Tianwei Zhang , Weisong Sun , Yaowen Zheng , Jingquan Ge , Yang Liu