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Vehicle classification is a hard task in ITS. A real-time vehicle classification method based on eigenface is proposed, it includes two main steps: training and classification. In the training step, first, using the time average image approach to obtain and update the background model, and then, using the background difference approach to detect and extract the outline of a moving vehicle, furthermore...
Measuring control delay at signalized intersections accurately is very important for designing and operating traffic control systems. At present, we usually maintain control delay through observing on the spot or model calculating. However, the control delays obtained by these methods are not accurately and in real time. In the recent years, the development of vehicle infrastructure integration system...
TraSMAPI (Traffic Simulation Manager Application Programming Interface) is designed to provide real-time interaction with Traffic Simulators, collect relevant metrics and statistics, and offer an integrated framework to develop Multi-Agent Systems. It is presented as a tool for the simulation of dynamic control systems in road networks with special focus on Multi-Agent Systems. The abstraction over...
This paper presents a new real time lane detection and tracking system which succeeds in sharp curved roads. The Warp Perspective Mapping (WPM) method was used to change the video image perspective to top view. A two dimensional Gabor filter and vertical pixel density calculation method was used to find initial lane regions. Second derivative approach of Composite Bezier spline fitting method calculates...
This paper presents an approach to develop motorway Rear-End Crash Risk Identification Models (RECRIM) using disaggregate traffic data, meteorological data and crash database for a study site at a two-lane-per-direction section on Swiss (right-hand driving) motorway A1. Traffic data collected from inductive double loop detectors provide instant vehicle information such as speed, time headway, etc...
This paper presents the main modules of the system to efficiently recognize type of the vehicles. The entry results are in line with our expectations. The proposed system achieves good performances on a test set containing over 3500 vehicle images and the detection rate is about 93% when it was compared with the measurements done by a human expert. Moreover, it is not sensitive to variation in time,...
This paper proposes a real time system for detecting vehicles that change lanes illegally based on tracking the feature points. The proposed system consists of three stages, which take part of the roles such as feature extraction of corners, registration and tracking the feature points attached to vehicles, and detecting a vehicle that violates legal lane changes. In the stage of feature extraction,...
The need of conceiving reliable real-time systems is crucial for the software engineering. This paper is dedicated to the specification and the verification of land transportation systems taken as an application domain. We present a case study in the area of transportation. The system consists of several automated vehicles called CyCab, that have to communicate with a station. The components are modeled...
Real time traffic information is one of the most important features of Dynamic Vehicle Navigation Systems (DVNS). Research on improving the performance and accuracy of navigation systems has been focused on algorithm design and data modeling in navigation clients. However, traffic data organization, an important factor limiting system performance, has received little attention. This paper presents...
This paper is dedicated to detecting and counting vehicles in day environment by using real time traffic flux through differential techniques. The basic idea used is variation in the traffic flux density due to presence of vehicle in the scene. In the present work a simple differential algorithm is designed and tested with vehicle detection and counting application. Traffic flux estimation will play...
Vehicle license plate is a special region of vehicle image, which has many features and can not be located by only one of these characteristics. Based on multi- characteristics a novel real-time license plate detection method is presented, which consists of two main steps: license plate area's rough detection and license plate segmentation & verification. The former is stimulated by the fact that...
Here we propose a complete system for robust detection and recognition of the current speed sign restrictions from a moving road vehicle. This approach includes the detection and recognition of both numerical limit and national limit (cancellation) signs with the addition of automatic vehicle turn detection. The system utilizes both RANSAC-based colour-shape detection of speed limit signs and neural...
A method of combining the two types of data service CSD and GPRS based on GSM applied to GPS vehicle real time monitor system was proposed. The network structure of the system above was put forward. Then it implements the CSD and GPRS hardware Interface and software flow based on the ERICSSON GR47 communication module. Compared with conventional single mode of GPRS, this method makes up the disadvantage...
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