User needs for location-aware mobile services
Personal and Ubiquitous Computing
Realtime Personal Positioning System for Wearable Computers
ISWC '99 Proceedings of the 3rd IEEE International Symposium on Wearable Computers
A picture is worth a thousand keywords: image-based object search on a mobile platform
CHI '05 Extended Abstracts on Human Factors in Computing Systems
A mobile image search for tourist information system
ISCGAV'09 Proceedings of the 9th WSEAS international conference on Signal processing, computational geometry and artificial vision
Intelligent mobile content-based retrieval from digital music libraries
Intelligent Decision Technologies
'Oh web image, where art thou?'
MMM'08 Proceedings of the 14th international conference on Advances in multimedia modeling
An image search for tourist information using a mobile phone
WSEAS Transactions on Information Science and Applications
A generic content-based image retrieval framework for mobile devices
Multimedia Tools and Applications
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We demonstrate an image-based approach to specifying location and finding location-based information from camera-equipped mobile devices. We introduce a point-by-photograph paradigm, where users can specify a location simply by taking pictures. Our technique uses content-based image retrieval methods to search the web or other databases for matching images and their source pages to find relevant location-based information. In contrast to conventional approaches to location detection, our method can refer to distant locations and does not require any physical infrastructure beyond mobile internet service. We have developed a prototype on a camera phone and conducted user studies to demonstrate the efficacy of our approach compared to other alternatives.