Placing Photos with a Multimodal Probability Density Function

Hare, Jonathon, Davies, Jamie, Samangooei, Sina and Lewis, Paul H. (2014) Placing Photos with a Multimodal Probability Density Function. International Conference on Multimedia Retrieval (ICMR'14), Glasgow, United Kingdom. (doi:10.1145/2578726.2578768).

Record type: Conference or Workshop Item (Paper)

Abstract

Knowing the location where a photograph was taken provides us with data that could be useful in a wide spectrum of applications. With the advance of digital cameras, and with many users exchanging their digital cameras for GPS-enabled mobile phones, photographs annotated with geographical locations are becoming ever more present on photo-sharing websites such as Flickr. However there is still a mass of content that is not geotagged, meaning that algorithms for efficient and accurate geographical estimation of an image are needed. This paper presents a general model for effectively using both textual metadata and visual features of photos to automatically place them on a world map with state-of-the-art performance. In addition, we explore how information from user-modelling can be fused with our model, and investigate the effect such modelling has on performance.

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