Context data in geo-referenced digital photo collections
Proceedings of the 12th annual ACM international conference on Multimedia
PhotoMap - automatic spatiotemporal annotation for mobile photos
W2GIS'07 Proceedings of the 7th international conference on Web and wireless geographical information systems
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We present a mobile and context-aware system, called PhotoMap that provides semi-automatic annotation about the spatial, temporal and social contexts of a photo. (i.e., where, when, who and what was nearby). The PhotoMap application captures the photo shot context when a user takes a picture with her camera phone. The mobile client gets the geographic position of the device, date and time information, bluetooth addresses of the nearby devices. PhotoMap explores these gathered metadata to infer high level contextual information such as, nearby user's friends, weather conditions, device address, and nearby important objects. PhotoMap uses these metadata for organizing, sharing and retrieving the photo files.