Traffic Behavior Recognition Using the Pachinko Allocation Model
AbstractCCTV-based behavior recognition systems have gained considerable attention in recent years in the transportation surveillance domain for identifying unusual patterns, such as traffic jams, accidents, dangerous driving and other abnormal behaviors. In this paper, a novel approach for traffic behavior modeling is presented for video-based road surveillance. The proposed system combines the pachinko allocation model (PAM) and support vector machine (SVM) for a hierarchical representation and identification of traffic behavior. A background subtraction technique using Gaussian mixture models (GMMs) and an object tracking mechanism based on Kalman filters are utilized to firstly construct the object trajectories. Then, the sparse features comprising the locations and directions of the moving objects are modeled by PAMinto traffic topics, namely activities and behaviors. As a key innovation, PAM captures not only the correlation among the activities, but also among the behaviors based on the arbitrary directed acyclic graph (DAG). The SVM classifier is then utilized on top to train and recognize the traffic activity and behavior. The proposed model shows more flexibility and greater expressive power than the commonly-used latent Dirichlet allocation (LDA) approach, leading to a higher recognition accuracy in the behavior classification. View Full-Text
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Huynh-The, T.; Banos, O.; Le, B.-V.; Bui, D.-M.; Yoon, Y.; Lee, S. Traffic Behavior Recognition Using the Pachinko Allocation Model. Sensors 2015, 15, 16040-16059.
Huynh-The T, Banos O, Le B-V, Bui D-M, Yoon Y, Lee S. Traffic Behavior Recognition Using the Pachinko Allocation Model. Sensors. 2015; 15(7):16040-16059.Chicago/Turabian Style
Huynh-The, Thien; Banos, Oresti; Le, Ba-Vui; Bui, Dinh-Mao; Yoon, Yongik; Lee, Sungyoung. 2015. "Traffic Behavior Recognition Using the Pachinko Allocation Model." Sensors 15, no. 7: 16040-16059.