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In recent years, VANET as the key communication networking technology has been attracted by academia and industries with remarkable development. However, there is still many shortcomings especially in communication efficiency where routing algorithm is one of them. In the design phase of routing algorithms, only very few features of vehicle nodes are considered manually to improve the classic algorithms...
Compressed domain moving object segmentation and classification plays an important role in many real-time applications, such as video indexing and intelligent video surveillance. Compared with the previous international video coding standards, such as H.264/AVC, HEVC introduces a host of new coding features. Therefore, moving object segmentation and classification directly from HEVC compressed videos...
Self-localization of ground vehicles in densely populated urban environments poses a significant challenge. The presence of tall buildings in close proximity to traversable areas limits the use of GPS-based positioning techniques in such environments. This paper presents an approach to global localization on a hybrid metric-topological map using a monocular camera and wheel odometry. The global topology...
The algorithm of path dynamic optimization is an important part of intelligent transportation system. Based on the assumption that the network status is known or predictable, this paper estimated dynamical travel time in the urban road network by established mathematical model; Optimal path algorithm that can effectively solve the induction of the urban road network was proposed; Based on the actual...
An approach of gathering parking grade is explained. It gathers parking grade using SCA61T sensor, and the grade information is transmitted to center ECU by CAN bus real time. As a result, the electric parking system can control parking strength real time. Using the method, parking vehicle can be brought suitable restrict strength when the vehicle on different grades. It can make electric parking...
Under the emergency accidents, implementation of the rescue measures is directly related to the traffic state identification. However, lacking of information collecting caused by road damage would lead to the results of identification by conventional fixed detector had a larger deviation. Although the existing way of probe vehicle with a large coverage area but also from an environmental impact, the...
We investigate behaviors of vehicles passing a work zone on two-lane highway. The traffic flow mathematical model is formulated based on optimal velocity model and safe lane-changing rules for two-lane traffic flow are given. The typical sketch of work zone is plotted and four posted speed limit signs are set in the work zone to control the traffic flow speed for fear of accident and congestion. Simulations...
Integration and system performance issues that arise from fire control electronics integration in a virtual battlefield are addressed. Particularly, solutions are presented for communication obstacles resulting from models running at different frequencies across CAN bus and Ethernet. A simulation environment is constructed using simplified Simulink models and real-time computers to allow a convenient...
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