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Photographer paths

Abdallah El Ali, Sicco N.A. van Sas, Frank Nack
2013 Proceedings of the 2013 conference on Computer supported cooperative work - CSCW '13  
Applying sequence alignment techniques on 5 years of geotagged Flickr photos in Amsterdam (The Netherlands) allowed creating walkable city routes based on paths traversed by multiple photographers (or  ...  Urban mobility analysis of geotagged photos can unlock mobility patterns of users who took these photos, which can be used for exploration-based city route planners.  ...  ACKNOWLEDGEMENTS Authors thank Eurostar (E5262) SmartInside Project for its support.  ... 
doi:10.1145/2441776.2441888 dblp:conf/cscw/AliSN13 fatcat:hog3gce5rrfkrkva5hq52llh7q

Landmark-based pedestrian navigation from collections of geotagged photos

Harlan Hile, Ramakrishna Vedantham, Gregory Cuellar, Alan Liu, Natasha Gelfand, Radek Grzeszczuk, Gaetano Borriello
2008 Proceedings of the 7th International Conference on Mobile and Ubiquitous Multimedia - MUM '08  
We present a system that leverages an online collection of geotagged photographs to automatically generate navigational instructions.  ...  These are presented to the user as a sequence of images of landmarks augmented with directional instructions. Both the landmark selection and image augmentation are done automatically.  ...  In this work, we explore the possibility of leveraging existing collections of geotagged photos acquired using mobile phones for automatically generating navigational instructions.  ... 
doi:10.1145/1543137.1543167 dblp:conf/mum/HileVCLGGB08 fatcat:nenkinsc45g6fhlnugonw34cty

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.  ...  a photo.  ...  For example, the travel sequence analysis can reveal the crowd's choice of popular tour routes and help to monitor the traffic patterns of tourists [97] .  ... 
doi:10.1007/s11042-010-0630-z fatcat:5andae7vyraahn3xaqc25x7dui

Landmark-Based Pedestrian Navigation with Enhanced Spatial Reasoning [chapter]

Harlan Hile, Radek Grzeszczuk, Alan Liu, Ramakrishna Vedantham, Jana Košecka, Gaetano Borriello
2009 Lecture Notes in Computer Science  
Computer vision techniques can enhance landmark-based navigation by better utilizing online photo collections.  ...  We develop a system to use high-level reasoning to influence the selection of landmarks along a navigation path, and lower-level reasoning to select appropriate images of those landmarks.  ...  Efforts to build a guidance system based on online collections of geotagged photos include the work by Beeharee and Steed [2] .  ... 
doi:10.1007/978-3-642-01516-8_6 fatcat:evjrxr4fxbesli6rkggp4si5ie

Comic Strip Narratives in Time Geography

Antoni Moore, Mariusz Nowostawski, Christopher Frantz, Christina Hulbe
2018 ISPRS International Journal of Geo-Information  
On the basis of a shared emphasis on time as well as space, this paper argues for introducing elements of comic art into cartography, specifically the mapped comic, with an illustrated strip literally  ...  Comic conventions neatly package narrative geography for visual deployment. An example demonstrating the expressiveness of comic art principles when applied to maps (maps as comics) is discussed.  ...  Acknowledgments: Thanks to Don McKinnon for the road trip data, photographs and collaboration on the narrative.  ... 
doi:10.3390/ijgi7070245 fatcat:b7wrlorosfa3vntta47czonsti

Quantifying Tourist Behavior Patterns by Travel Motifs and Geo-Tagged Photos from Flickr

Liu Yang, Lun Wu, Yu Liu, Chaogui Kang
2017 ISPRS International Journal of Geo-Information  
This article utilizes geo-tagged photos from Flickr to extract trajectories of tourists and then extends the concept of motifs from topological spaces, to temporal spaces and to semantic spaces, for detecting  ...  With millions of people traveling to unfamiliar cities to spend holidays, travel recommendation becomes necessary to assist tourists in planning their trips more efficiently.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/ijgi6110345 fatcat:sypu3zhgi5hdloszlmcggwt3mi


D. Anastasiou, T. Avgeri, A. Iliodromitis, V. Pagounis, M. Tsakiri
2020 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
The templates, for each section of the gaming application, have been developed using HTML5 and CSS3, in order that they are interactive and accessible to all smart devices.  ...  The paper concludes with a discussion on the experience gained towards supporting spatial thinking for pre-school children.  ...  Also, the authors would like to thank Ordnance Survey GB ( and 1Spatial ( for sponsoring the publication of this paper.  ... 
doi:10.5194/isprs-archives-xliv-4-w1-2020-3-2020 fatcat:z5lj7sbawrh5tdnvyr7pt4szbe


C. Pezzica, A. Piemonte, C. Bleil de Souza, V. Cutini
2019 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
To this end, it presents an in-depth analysis of a collaborative photographic mapping initiative undergone by a group of citizen-scientists after the 2016 Central Italy earthquake, followed by the explorative  ...  recovery and reconstruction planning.  ...  If, on the contrary, a full automation of processing is required, it may be worth considering the deployment of cloud-based services such as ®Recap Photo.  ... 
doi:10.5194/isprs-archives-xlii-2-w15-921-2019 fatcat:4sje5b3wabam3i6ya6qwyhbs3u

Social-media data for urban sustainability

Rositsa T. Ilieva, Timon McPhearson
2018 Nature Sustainability  
Yet the value of social-media data (SMD) for urban-sustainability research is still poorly understood.  ...  Here, we discuss key opportunities and challenges for the use of SMD by sustainability scholars in the natural and social sciences as well as by practitioners making daily decisions about urban systems  ...  While not at global scales, datasets in these studies range between 71,000 and 78 million geotagged photos.  ... 
doi:10.1038/s41893-018-0153-6 fatcat:tulhd3uimjerlixltpwtlqdpqi

Zooming into an Instagram City: Reading the local through social media

Nadav Hochman, Lev Manovich
2013 First Monday  
In future work we plan to add analysis of differences in photos’ content. 17.  ...  of their photographs, and the examination of individual photographs (see Figure 1 for an example of such visualization).  ... 
doi:10.5210/fm.v18i7.4711 fatcat:sgteyoz3xrck5a4lk2m7lbgdvu

Registration of single landscape photographs with 3D landscape models

Timothée Produit
Camera orientation with DTW-based Skyline alignment Dynamic Time Warping Horizon matching is similar to the problem of sequences matching.  ...  Respectively, the first is used to align the sequence vertically and the last for fine pose estimation.  ...  KDE is a non-parametric method for the estimation of the Probability Density Function (PDF) of a dataset. KDE estimates the density of data by applying a local smoothing filter.  ... 
doi:10.5075/epfl-thesis-6650 fatcat:st7optvh6reutpq4cnqee3afxi

An assistive haptic interface for appearance-based indoor navigation

Jose Rivera-Rubio, Kai Arulkumaran, Hemang Rishi, Ioannis Alexiou, Anil A. Bharath
2016 Computer Vision and Image Understanding  
We assess the accuracy of vision-based localisation by making comparisons with estimates of location derived from both a recent SLAM-based algorithm and from indoor surveying equipment.  ...  Computer vision remains an under-exploited technology for assistive devices.  ...  As a measure of distance travelled along a desired path, it also easily conveys a sense of how fast one is making progress along a planned route.  ... 
doi:10.1016/j.cviu.2016.02.014 fatcat:7avikn6i35dgbnxc2guppp4lzq

Stability Analysis of a Landslide Scarp by Means of Virtual Outcrops: The Mt. Peron Niche Area (Masiere di Vedana Rock Avalanche, Eastern Southern Alps)

Franz A. Livio, Francesco Bovo, Fabio Gabrieli, Roberto Gambillara, Sandro Rossato, Silvana Martin, Alessandro M. Michetti
2022 Frontiers in Earth Science  
descent route down to the cliff.  ...  In order to overcome this issue, we performed a geo-structural characterization of a sector of the cliff by means of a UAV-based photogrammetric survey.  ...  ACKNOWLEDGMENTS The authors want to thank Itasca Consulting Group for a loan of the 3DEC software within the Itasca Education Partnership (IEP).  ... 
doi:10.3389/feart.2022.863880 fatcat:3ujaalgi2rebflvsi5bbe3c2om

Participatory mobile- and web-based tools for eliciting landscape knowledge and perspectives: introducing and evaluating the Wisconsin geotools project

Francis R. Eanes, Janet M. Silbernagel, David A. Hart, Patrick Robinson, Max Axler
2018 Journal of Coastal Conservation  
Third, we plan to broaden the limits currently placed on notes and photo observations in both geotools.  ...  Using ESRI's as a backbone, the mobile and web applications allow simultaneous, real-time uploading of geotagged multimedia content in the form of photos, text, audio, and video.  ... 
doi:10.1007/s11852-017-0589-2 fatcat:lpcsuzwyifcqbbejgz5l6jo7nm

Users Are Doing It For Themselves: Pedestrian Navigation With User Generated Content

Harald Holone, Gunnar Misund, Hakon Holmstedt
2007 The 2007 International Conference on Next Generation Mobile Applications, Services and Technologies (NGMAST 2007)  
We are grateful that Halden Municipality have granted us free use of some of their map data, which indeed is of great help in several map based projects in the Mobile Applications Group.  ...  Jansson and Torbjørn Halvorsen for their work on the Okapi framework, which made the implementation of OurWay significantly easier.  ...  As a consequence, they explore aspects of treating routes as a sequence of waypoints [28] .  ... 
doi:10.1109/ngmast.2007.4343406 fatcat:eyfvyhjdivasffqh4fmvhvu5am
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