Evangelos Kalogerakis, Olga Vesselova, James Hays, Alexei A. Efros, Aaron Hertzmann, "Image Sequence Geolocation with Human Travel Priors", Proceedings of the IEEE Internaltional Conference on Computer Vision Recognition (ICCV), 2009.


This paper presents a method for estimating geographic location for sequences of time-stamped photographs. A prior distribution over travel describes the likelihood of traveling from one location to another during a given time interval. This distribution is based on a training database of 6 million photographs from Flickr.com. An image likelihood for each location is defined by matching a test photograph against the training database. Inferring location for images in a test sequence is then performed using the Forward- Backward algorithm, and the model can be adapted to individual users as well. Using temporal constraints allows our method to geolocate images without recognizable landmarks, and images with no geographic cues whatsoever. This method achieves a substantial performance improvement over the best-available baseline, and geolocates some users' images with near-perfect accuracy.

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Author    = {Evangelos Kalogerakis and Olga Vesselova and James Hays and Alexei A. Efros and Aaron Hertzmann},
Title     = {Image Sequence Geolocation with Human Travel Priors},
Booktitle = {Proceedings of the {IEEE} International Conference on Computer Vision ({ICCV '09})},
Year      = {2009},