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Credit card is a popular payment method and the transaction data keeps track of purchasing activities in people's daily lives. Extracting location of people's activities is an important task in many data mining problems because it may greatly help improve user experience and the service provided to people. Locating people from credit card transactions is equivalent to determining the location of every...
This paper proposes an analysis method based on movement string for behavior understanding. Trajectories are analyzed by the improved principal component analysis (PCA) method which introduces the trajectory location and direction. Trajectory location and direction are the main features of PCA for scene division and Gaussian mixture hidden Markov model. With the help of these two features, we can...
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