Journal of Electronic Imaging
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Recent emerging trends for automatic behavior analysis and understanding from infrastructure video are reviewed. Research has shifted from high-resolution estimation of vehicle state and instead, pushed machine learning approaches to extract meaningful patterns in aggregates in an unsupervised fashion. These patterns represent priors on observable motion, which can be utilized to describe a scene, answer behavior questions such as where is a vehicle going, how many vehicles are performing the same action, and to detect an abnormal event. The review focuses on two main methods for scene description, trajectory clustering and topic modeling. Example applications that utilize the behavioral modeling techniques are also presented. In addition, the most popular public datasets for behavioral analysis are presented. Discussion and comment on future directions in the field are also provided
Controls and Control Theory | Electrical and Computer Engineering | Electrical and Electronics | Electronic Devices and Semiconductor Manufacturing | Power and Energy | Signal Processing | Systems and Communications
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Morris, B. T.,
Trivedi, M. M.
Understanding Vehicular Traffic Behavior from Video: A Survey of Unsupervised Approaches.
Journal of Electronic Imaging, 22(4),
Controls and Control Theory Commons, Electrical and Electronics Commons, Electronic Devices and Semiconductor Manufacturing Commons, Power and Energy Commons, Signal Processing Commons, Systems and Communications Commons