Distinctive Image Features from Scale-Invariant Keypoints
International Journal of Computer Vision
Image Based Localization in Urban Environments
3DPVT '06 Proceedings of the Third International Symposium on 3D Data Processing, Visualization, and Transmission (3DPVT'06)
SURF: speeded up robust features
ECCV'06 Proceedings of the 9th European conference on Computer Vision - Volume Part I
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In this paper, image recognition is used to link a picture to relevant information. As mobile camera phone becoming more and more popular, applications for these phones will bring value to the phone and convenience to the users. We develop a system to perform audio introduction for our technology showroom using images taken by the built-in camera of mobile phone. Visitors to the showroom can take a picture of a poster, a physical prototype or any materials using their mobile phone. An audio introduction in his favorite language will be delivered to the visitor. A few schemes are used to improve the accuracy and system reliability, which include discriminative feature selection based on feature distance; repeating queries if result is not correct; user's verification on delivered content; employment of multiple classifiers. Experimental results show that the system performance is promising.