Discovering multiple HotSpots using geo-tagged photographs

Authors:
Motohiro Shirai;Masaharu Hirota;Shohei Yokoyama;Naoki Fukuta;Hiroshi Ishikawa
Affiliations:
Shizuoka University, Johoku, Naka-ku, Hamamatsu-shi, Shizuoka, Japan;Shizuoka University, Johoku, Naka-ku, Hamamatsu-shi, Shizuoka, Japan;Shizuoka University, Johoku, Naka-ku, Hamamatsu-shi, Shizuoka, Japan;Shizuoka University, Johoku, Naka-ku, Hamamatsu-shi, Shizuoka, Japan;Shizuoka University, Johoku, Naka-ku, Hamamatsu-shi, Shizuoka, Japan
Venue:
Proceedings of the 20th International Conference on Advances in Geographic Information Systems
Year:
2012

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Abstract

Social media sites include many photos taken at various locations and times. In this paper, we propose a method to discover multiple hotspots, where many photos have been taken, using geo-tagging photos posted on social media sites. Additionally, we infer the range and shape of hotspots based on the deviation of the places where photos have been taken. We conducted experiments using image search results when we entered the search term "Rome" on Flickr. Our experimentally obtained results demonstrate that it is possible to discover multiple hotspots and to estimate the range and shape of each hotspot with high precision.