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A location based reminder system for advertisement

In this paper, we propose a location based reminder system with image recognition technology. With this system, mobile phone users can actively capture pictures from their favorite product or event promotional materials. After the phone user sends the picture to a computer server, location based reminders will be downloaded to the phone. The mobile phone will alert the user when he/she is close to the place where the product is selling or the event is happening. Kd-tree image matching and geometric validation are used to identify which product the user is interested in. A mobile client application is developed to take pictures, conduct GPS location tracking and pop up the reminder.