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Local place names are frequently used by residents living in a geographic region. Such place names may not be recorded in existing gazetteers, due to their vernacular nature, relative insignificance to a gazetteer covering a large area…

信息检索 · 计算机科学 2018-09-11 Yingjie Hu , Huina Mao , Grant McKenzie

This paper presents a method to combine a set of unsupervised algorithms that can accurately disambiguate word senses in a large, completely untagged corpus. Although most of the techniques for word sense resolution have been presented as…

cmp-lg · 计算机科学 2008-02-03 German Rigau , Jordi Atserias , Eneko Agirre

Many datasets nowadays contain links between geographic locations and natural language texts. These links can be geotags, such as geotagged tweets or geotagged Wikipedia pages, in which location coordinates are explicitly attached to texts.…

计算与语言 · 计算机科学 2018-09-18 Yingjie Hu

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

Analyzing the geographic movement of humans, animals, and other phenomena is a growing field of research. This research has benefited urban planning, logistics, animal migration understanding, and much more. Typically, the movement is…

计算与语言 · 计算机科学 2022-02-01 Scott Pezanowski , Prasenjit Mitra

In everyday communication, where-questions are answered by place descriptions. To answer where-questions automatically, computers should be able to generate relevant place descriptions that satisfy inquirers' information needs.…

信息检索 · 计算机科学 2022-03-24 Ehsan Hamzei , Stephan Winter , Martin Tomko

For users, recommendations can sometimes seem odd or counterintuitive. Visualizing recommendations can remove some of this mystery, showing how a recommendation is grouped with other choices. A drawing can also lead a user's eye to other…

信息检索 · 计算机科学 2009-06-30 Emden Gansner , Yifan Hu , Stephen Kobourov , Chris Volinsky

This paper presents a new approach for the challenging problem of geo-locating an image using image matching in a structured database of city-wide reference images with known GPS coordinates. We cast the geo-localization as a clustering…

计算机视觉与模式识别 · 计算机科学 2017-09-15 Eyasu Zemene , Yonatan Tariku , Haroon Idrees , Andrea Prati , Marcello Pelillo , Mubarak Shah

We study the image-based geolocalization problem, aiming to localize ground-view query images on cartographic maps. Current methods often utilize cross-view localization techniques to match ground-view query images with 2D maps. However,…

计算机视觉与模式识别 · 计算机科学 2023-11-06 Mengjie Zhou , Liu Liu , Yiran Zhong , Andrew Calway

Language Identification in textual documents is the process of automatically detecting the language contained in a document based on its content. The present Language Identification techniques presume that a document contains text in one of…

计算与语言 · 计算机科学 2021-06-30 Mohd Zeeshan Ansari , Tanvir Ahmad , Noaima Bari

Detection and recognition of text in natural images are two main problems in the field of computer vision that have a wide variety of applications in analysis of sports videos, autonomous driving, industrial automation, to name a few. They…

计算机视觉与模式识别 · 计算机科学 2020-07-02 Zobeir Raisi , Mohamed A. Naiel , Paul Fieguth , Steven Wardell , John Zelek

A road map can be interpreted as a graph embedded in the plane, in which each vertex corresponds to a road junction and each edge to a particular road section. We consider the cartographic problem to place non-overlapping road labels along…

计算几何 · 计算机科学 2015-01-29 Andreas Gemsa , Benjamin Niedermann , Martin Nöllenburg

Classification and localization are two main sub-tasks in object detection. Nonetheless, these two tasks have inconsistent preferences for feature context, i.e., localization expects more boundary-aware features to accurately regress the…

计算机视觉与模式识别 · 计算机科学 2023-03-03 Jiayuan Zhuang , Zheng Qin , Hao Yu , Xucan Chen

In this paper we address the task of visual place recognition (VPR), where the goal is to retrieve the correct GPS coordinates of a given query image against a huge geotagged gallery. While recent works have shown that building descriptors…

计算机视觉与模式识别 · 计算机科学 2022-01-26 Valerio Paolicelli , Antonio Tavera , Carlo Masone , Gabriele Berton , Barbara Caputo

The task of multimedia geolocation is becoming an increasingly essential component of the digital forensics toolkit to effectively combat human trafficking, child sexual exploitation, and other illegal acts. Typically, metadata-based…

计算机视觉与模式识别 · 计算机科学 2024-02-26 Opeyemi Bamigbade , John Sheppard , Mark Scanlon

This paper introduces a large-scale multimodal and multilingual dataset that aims to facilitate research on grounding words to images in their contextual usage in language. The dataset consists of images selected to unambiguously illustrate…

计算与语言 · 计算机科学 2022-06-20 Josiah Wang , Pranava Madhyastha , Josiel Figueiredo , Chiraag Lala , Lucia Specia

We introduce a new multi-modal task for computer systems, posed as a combined vision-language comprehension challenge: identifying the most suitable text describing a scene, given several similar options. Accomplishing the task entails…

计算与语言 · 计算机科学 2016-12-26 Nan Ding , Sebastian Goodman , Fei Sha , Radu Soricut

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

Understanding language goes hand in hand with the ability to integrate complex contextual information obtained via perception. In this work, we present a novel task for grounded language understanding: disambiguating a sentence given a…

计算机视觉与模式识别 · 计算机科学 2016-04-06 Yevgeni Berzak , Andrei Barbu , Daniel Harari , Boris Katz , Shimon Ullman

Automated text detection is a difficult computer vision task. In order to accurately detect and identity text in an image or video, two major problems must be addressed. The primary problem is implementing a robust and reliable method for…

计算机视觉与模式识别 · 计算机科学 2017-09-13 Teresa Nicole Brooks