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Related papers: Lost in Space: Geolocation in Event Data

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Incorporating linguistic knowledge can improve scene text recognition, but it is questionable whether the same holds for scene text spotting, which typically involves text detection and recognition. This paper proposes a method that…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Nguyen Nguyen , Yapeng Tian , Chenliang Xu

Estimating the location where an image was taken based solely on the contents of the image is a challenging task, even for humans, as properly labeling an image in such a fashion relies heavily on contextual information, and is not as…

Computer Vision and Pattern Recognition · Computer Science 2017-12-29 Jesse M. Johns , Jeremiah Rounds , Michael J. Henry

In autonomous navigation of mobile robots, sensors suffer from massive occlusion in cluttered environments, leaving significant amount of space unknown during planning. In practice, treating the unknown space in optimistic or pessimistic…

Robotics · Computer Science 2021-03-30 Lizi Wang , Hongkai Ye , Qianhao Wang , Yuman Gao , Chao Xu , Fei Gao

Microblogging platforms such as Twitter are increasingly being used in event detection. Existing approaches mainly use machine learning models and rely on event-related keywords to collect the data for model training. These approaches make…

Information Retrieval · Computer Science 2019-12-03 Akansha Bhardwaj , Jie Yang , Philippe Cudré-Mauroux

People from different parts of the globe describe objects and concepts in distinct manners. Visual appearance can thus vary across different geographic locations, which makes location a relevant contextual information when analysing visual…

Computer Vision and Pattern Recognition · Computer Science 2020-07-08 Raul Gomez , Jaume Gibert , Lluis Gomez , Dimosthenis Karatzas

Image geolocalization, inferring the geographic location of an image, is a challenging computer vision problem with many potential applications. The recent state-of-the-art approach to this problem is a deep image classification approach in…

Computer Vision and Pattern Recognition · Computer Science 2017-05-16 Nam Vo , Nathan Jacobs , James Hays

This article proposes two different approaches to automatically create a map for valid on-street car parking spaces. For this, we use car sharing park-out events data. The first one uses spatial aggregation and the second a machine learning…

Machine Learning · Computer Science 2021-08-03 J. -Emeterio Navarro-B , Martin Gebert , Ralf Bielig

Natural language expresses events with varying granularities, where coarse-grained events (goals) can be broken down into finer-grained event sequences (steps). A critical yet overlooked aspect of understanding event processes is…

Computation and Language · Computer Science 2023-10-31 Haoyu Wang , Hongming Zhang , Yueguan Wang , Yuqian Deng , Muhao Chen , Dan Roth

Understanding how individuals perceive and recall information in their natural environments is critical to understanding potential failures in perception (e.g., sensory loss) and memory (e.g., dementia). Event segmentation, the process of…

Computation and Language · Computer Science 2025-10-20 Ryan A. Panela , Alex J. Barnett , Morgan D. Barense , Björn Herrmann

Sound event detection and sound event localization requires different features from audio input signals. While sound event detection mainly relies on time-frequency patterns to distinguish different event classes, sound event localization…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-27 T. N. T. Nguyen , D. L. Jones , R. Ranjan , S. Jayabalan , W. S. Gan

Mapping and self-localization in unknown environments are fundamental capabilities in many robotic applications. These tasks typically involve the identification of objects as unique features or landmarks, which requires the objects both to…

Computer Vision and Pattern Recognition · Computer Science 2017-04-21 Beipeng Mu , Shih-Yuan Liu , Liam Paull , John Leonard , Jonathan How

This research is aimed to solve the tweet/user geolocation prediction task and provide a flexible methodology for the geotagging of textual big data. The suggested approach implements neural networks for natural language processing (NLP) to…

Computation and Language · Computer Science 2025-01-13 Kateryna Lutsai , Christoph H. Lampert

Text spotting in natural scene images is of great importance for many image understanding tasks. It includes two sub-tasks: text detection and recognition. In this work, we propose a unified network that simultaneously localizes and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Peng Wang , Hui Li , Chunhua Shen

Despite an extensive literature has been devoted to mine and model mobility features, forecasting where, when and whom people will encounter/colocate still deserve further research efforts. Forecasting people's encounter and colocation…

Social and Information Networks · Computer Science 2016-10-07 Karim Karamat Jahromi , Matteo Zignani , Sabrina Gaito , Gian Paolo Rossi

Event classification can add valuable information for semantic search and the increasingly important topic of fact validation in news. So far, only few approaches address image classification for newsworthy event types such as natural…

Computer Vision and Pattern Recognition · Computer Science 2020-11-11 Eric Müller-Budack , Matthias Springstein , Sherzod Hakimov , Kevin Mrutzek , Ralph Ewerth

Real-time location inference of social media users is the fundamental of some spatial applications such as localized search and event detection. While tweet text is the most commonly used feature in location estimation, most of the prior…

Computation and Language · Computer Science 2023-10-24 Yu Zhang , Wei Wei , Binxuan Huang , Kathleen M. Carley , Yan Zhang

We address the visual relocalization problem of predicting the location and camera orientation or pose (6DOF) of the given input scene. We propose a method based on how humans determine their location using the visible landmarks. We define…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Soham Saha , Girish Varma , C. V. Jawahar

Reliable localization is crucial for autonomous robots to navigate efficiently and safely. Some navigation methods can plan paths with high localizability (which describes the capability of acquiring reliable localization). By following…

Robotics · Computer Science 2023-03-23 Yuan Chen , Quecheng Qiu , Xiangyu Liu , Guangda Chen , Shunyi Yao , Jie Peng , Jianmin Ji , Yanyong Zhang

Localizing type errors is challenging in languages with global type inference, as the type checker must make assumptions about what the programmer intended to do. We introduce Nate, a data-driven approach to error localization based on…

Programming Languages · Computer Science 2017-09-19 Eric L. Seidel , Huma Sibghat , Kamalika Chaudhuri , Westley Weimer , Ranjit Jhala

We propose an end-to-end neural network to predict the geolocation of a tweet. The network takes as input a number of raw Twitter metadata such as the tweet message and associated user account information. Our model is language independent,…

Computation and Language · Computer Science 2017-10-16 Jey Han Lau , Lianhua Chi , Khoi-Nguyen Tran , Trevor Cohn