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The Placing Task

Jaeyoung Choi, Roger Pearce, Doug Poland, Bart Thomee, Gerald Friedland, Liangliang Cao, Karl Ni, Damian Borth, Benjamin Elizalde, Luke Gottlieb, Carmen Carrano
2014 Proceedings of the 3rd ACM Multimedia Workshop on Geotagging and Its Applications in Multimedia - GeoMM '14  
We introduce a recent development of a new standardized webscale geo-tagged dataset for Placing Task 2014, which contains 5.5 million images and 35,000 videos.  ...  The Placing Task is a yearly challenge offered by the Media-Eval Multimedia Benchmarking Initiative that requires participants to develop algorithms that automatically predict the geo-location of social  ...  For the hand-labeled media, since the Placing Task started in 2010, all videos and images chosen for the Placing Task dataset have a groundtruth location resolution of "street level", i.e., the user used  ... 
doi:10.1145/2661118.2661125 dblp:conf/mm/ChoiTFCNBEGCPP14 fatcat:tpyvtq3m6bdsjcy5gl4x5y62yi

Loud and Trendy

Darshan Santani, Daniel Gatica-Perez
2015 Proceedings of the 23rd ACM international conference on Multimedia - MM '15  
We present a study to examine how images collected from social media can be used for the crowdsourced characterization of indoor ambiance impressions in popular urban places.  ...  We design a crowdsourcing framework to understand suitability of social images as data source to convey place ambiance, to examine what type of images are most suitable to describe ambiance, and to assess  ...  ACKNOWLEDGEMENTS This work has been supported by the SNSF Youth@Night project. We thank anonymous reviewers for their valuable feedback and MTurk workers for their participation in our study.  ... 
doi:10.1145/2733373.2806277 dblp:conf/mm/SantaniG15 fatcat:b7nrai5jercgzb57pwt3w5ssey

Learning from the Dakota: Water and Place

2018 Open Rivers  
Terje Tvedt and the Satterthwaite Colloquium for fruitful discussions. Bibliography [1] Hurst, E. & Phillips, P. 1931.  ...  The Nile Basin, volume 1; general description of the basin, meteorology, topography of the White Nile Basin.  ...  Large-scale water-infrastructure projects became paradigmatic for the twentieth century.  ... 
doi:10.24926/2471190x.4481 fatcat:lzlmy42kazbopgto7decqd5ism

Exploring city digital twins as policy tools: A task-based approach to generating synthetic data on urban mobility

Gleb Papyshev, Masaru Yarime
2021 Data & Policy  
The article analyzes the history of the development of the concept of digital twins and how it is now being adopted on a city-scale.  ...  A task-based approach to urban mobility data generation is proposed in the last section of the article.  ...  The authors would also like to thank Artem Nikitin, Svetlana Gorlatova, and Igor Sladoljev for the discussions at the Strelka Institute that originated some of the ideas from this article.  ... 
doi:10.1017/dap.2021.17 fatcat:vpf3lnlgincwhc22k6qsyscaee

Research and applications on georeferenced multimedia: a survey

Yan-Tao Zheng, Zheng-Jun Zha, Tat-Seng Chua
2010 Multimedia tools and applications  
In recent years, the emergence of georeferenced media, like geotagged photos, on the Internet has opened up a new world of possibilities for geographic related research and applications.  ...  world, and (4) estimating geographic location of a photo.  ...  His current research interests include large-scale media search, social media sharing and management, computer vision and machine learning.  ... 
doi:10.1007/s11042-010-0630-z fatcat:5andae7vyraahn3xaqc25x7dui

[Invited Paper] A Review of Web Image Mining

Keiji Yanai
2015 ITE Transactions on Media Technology and Applications  
of visual concept database for image/video recognition, (2) Web image application for visual concept analysis and data-driven computer graphics, and (3) real-world sensing through Web images to detect  ...  In this paper, we review works related to big visual data on the Web in the literature of computer vision and multimedia research regarding the following points: (1) Web image acquisition for construction  ...  Acknowledgment We thank the helpful comments from Dr. Do Hang Nga and anonymous reviewers.  ... 
doi:10.3169/mta.3.156 fatcat:gduk25dp7nedvm65xurbwzdu3y

Multimodal location estimation on Flickr videos

Gerald Friedland, Jaeyoung Choi, Howard Lei, Adam Janin
2011 Proceedings of the 3rd ACM SIGMM international workshop on Social media - WSM '11  
The following article describes an approach to determine the geo-coordinates of the recording place of Flickr videos based on both textual metadata and visual cues.  ...  The system is tested on the MediaEval 2010 Placing Task evaluation data, which consists of 5091 unfiltered test videos.  ...  metadata, to estimate the geo-coordinates of content recorded in digital media.  ... 
doi:10.1145/2072609.2072619 fatcat:cpczdbb445bwhhsdwfwzdh6fje

Multimodal geo-tagging in social media websites using hierarchical spatial segmentation

Pascal Kelm, Sebastian Schmiedeke, Thomas Sikora
2012 Proceedings of the 5th International Workshop on Location-Based Social Networks - LBSN '12  
However, the manually labelling for a large set of social media is still borring and error-prone. For this reason we present a hierarchical, multi-modal approach for estimating the GPS information.  ...  Many of these social media websites such as Flickr, Facebook and Youtube allows the user to manually label their uploaded videos with geo-information using a interface for dragging them into the map.  ...  CONCLUSIONS AND FUTURE WORK In this paper we presented a hierarchical approach for the automatic estimation of geo-tags in social media website such as Flickr.  ... 
doi:10.1145/2442796.2442805 dblp:conf/gis/KelmSS12 fatcat:drmx2yq2aff53prlewhuikzdke

User-Generated Content and Its Applications in Urban Studies [chapter]

Wei Tu, Qingquan Li, Yatao Zhang, Yang Yue
2021 The Urban Book Series  
In this chapter, we will introduce several typical types of UGC, such as geo-tagged photos, social media data, crowdsourcing GPS trajectories, and videos.  ...  AbstractThe emergence of Web 2.0 and mobile Internet produces massive user-generated content (UGC), including geo-tagged photos, social network posts, street view images, and crowdsourced GPS trajectories  ...  The social media platforms, mobile phones, and surveillance videos make it possible to generate rich social signals in a real-time manner and establish a data foundation for social transportation research  ... 
doi:10.1007/978-981-15-8983-6_29 fatcat:vzbqul4fljbx7gkcrtw7htq6gm

Localizing web videos using social images

Liujuan Cao, Xian-Ming Liu, Wei Liu, Rongrong Ji, Thomas Huang
2015 Information Sciences  
In this paper, we address the problem of localizing web videos through transferring large-scale web images with geographic tags to web videos, where near-duplicate detection between images and video frames  ...  In doing so, a novel transfer learning algorithm is proposed to align the landmark prototypes across both domains of images and video frames, leading to a reliable prediction of the geo-locations of web  ...  In this paper, we address the problem of localizing web videos through transferring large-scale web images with geographic tags to web videos, where near-duplicate detection between images and video frames  ... 
doi:10.1016/j.ins.2014.08.017 fatcat:znad7of3gjaqpnw26kowtltxni

Natural Disasters Detection in Social Media and Satellite imagery: a survey [article]

Naina Said, Kashif Ahmad, Michael Regular, Konstantin Pogorelov, Laiq Hassan, Nasir Ahmad, Nicola Conci
2019 arXiv   pre-print
Moreover, we provide a detailed discussion on the insights obtained from the literature review, and identify future trends and challenges, which will provide an important starting point for the researchers  ...  In this paper, we survey the existing literature on disaster detection and analysis of the retrieved information from social media and satellites.  ...  and analysis of disasterrelated data available in social media. • The domain lacks in large-scale annotated datasets for the training and evaluation of machine learning techniques for disaster analysis  ... 
arXiv:1901.04277v1 fatcat:5zidbp3owbe6ld33pt4j3aijtq

Public Privacy: Camera Surveillance of Public Places and the Right to Anonymity

Christopher Slobogin
2003 Social Science Research Network  
for a person to use video "surveillance" in a public place without prominently and legibly posting notice that such surveillance is taking place  ...  and the media as needed.  ...  for this article, the scenario in which the tapes are not destroyed and instead are made available to the media and other government agencies "as needed" received a much higher intrusiveness rating (M  ... 
doi:10.2139/ssrn.364600 fatcat:a6mdnl7ugba3vhqcgoaswfbnyi

Geotagging in multimedia and computer vision—a survey

Jiebo Luo, Dhiraj Joshi, Jie Yu, Andrew Gallagher
2010 Multimedia tools and applications  
The presence of geographically relevant metadata with images and videos has opened up interesting research avenues within the multimedia and computer vision domains.  ...  Geo-tagging is a fast-emerging trend in digital photography and community photo sharing.  ...  Service/Product Recommendation Geo-tagged media such as image, video and blogs often reveal important information for many location-based service or products.  ... 
doi:10.1007/s11042-010-0623-y fatcat:esd7subpbjhntpes6quvngtwti

Personalized Geolocation Image Tagging On Social Media

Abhjit V., Anuradha S.
2019 International Journal of Computer Applications  
A large number of users and geo location specific photos are used for experimental purpose.  ...  Even if more of social media has been discussed for its negative impact on today's youth life, social media plays important role in organizing / gathering a community depends on relations, thoughts, education  ...  There are approximate 4 billion internet users [2] and 2.23 billion active social networking users [3] in world. Social media allow people to communicate and share text, images and videos.  ... 
doi:10.5120/ijca2019918388 fatcat:e245ai5pfvddvktvdcuvjdsy3e

Human Versus Machine: Establishing a Human Baseline for Multimodal Location Estimation [chapter]

Jaeyoung Choi, Howard Lei, Venkatesan Ekambaram, Pascal Kelm, Luke Gottlieb, Thomas Sikora, Kannan Ramchandran, Gerald Friedland
2014 Multimodal Location Estimation of Videos and Images  
Over the recent years, the problem of video location estimation (i.e., estimating the longitude/latitude coordinates of a video without GPS information) has been approached with diverse methods and ideas  ...  Based on a human-subject study with 11,900 experiments, this article presents a human baseline for location estimation for different combinations of modalities (audio, audio/video, audio/video/text).  ...  Since then, the "Placing Task" of the MediaEval evaluation [22] has evaluated the task on a global scale [19] .  ... 
doi:10.1007/978-3-319-09861-6_9 fatcat:wso4pmsbubgt3jkgnp6sgkzjpm
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