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By using the prevalent smart phone embedded with different kinds of sensors, we build a practical indoor localization system which takes low labor-cost and is large-scaly applied. In this paper we discuss the challenges in building such a system and how we handle them. Our indoor localization system is based on the radio frequency (RF) heard from the surrounding Access Points (APs). The Received Signal...
This paper used QuickBird high resolution image to estimate the population of the city of Waterloo, ON, Canada. Two approaches of object based classification were compared to extract buildings from the original image. One is rule based classification and the other is example based classification. We chose two districts which are Lakeshore and Columbia as our testing areas. Rule based result is better...
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