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Abstract

Recently, many existing systems provide varieties of Route Guidance Services for different devices. But they are isolate and implementation independent. It is difficult to provide all information related to traffic conditions from one trip's departure to arrival. So integ...Lead moreRecently, many existing systems provide varieties of Route Guidance Services for different devices. But they are isolate and implementation independent. It is difficult to provide all information related to traffic conditions from one trip's departure to arrival. So integrating and reusing all of these systems becomes the research hotspot. This paper proposes an architecture which makes use of a great diversity of current system and other related systems by the concept of service oriented architecture. This approach is not only helpful to construct a uniform platform to provide all kinds of route guidance service for different devises and demands, but also helpful to keep the framework of the existing system.

Abstract

This article introduces the development of advanced traffic information services in Beijing city of China in 2006. BTIC(Beijing Traffic Information Center), in association with BUAA(Beijing University of Aeronautics and Astronautics) and other partners, has successfully i...Lead moreThis article introduces the development of advanced traffic information services in Beijing city of China in 2006. BTIC(Beijing Traffic Information Center), in association with BUAA(Beijing University of Aeronautics and Astronautics) and other partners, has successfully implemented a project which broadcasts traffic information using FM radio wave. The author illustrates the system structure, and then explains some key technologies. In the conclusion, the author summarizes the acquired achievements and gives some proposals for future development.

Abstract

This paper reports on a stereo vision technique for a driving support system for the vehicle. There are some stereo vision system products in this market, and it is desired that stereo vision system with short base line length. We make an algorithm to hold on the nearly s...Lead moreThis paper reports on a stereo vision technique for a driving support system for the vehicle. There are some stereo vision system products in this market, and it is desired that stereo vision system with short base line length. We make an algorithm to hold on the nearly same accuracy of the disparity image with the short base line length stereo vision system. And this algorithm gives us a more detailed disparity image and makes the new sensing algorithm using stereo vision system.

Abstract

This paper discusses a methodology to promote use of P&R (Park and Ride) by utilizing common car navigation systems in Japan. First, it is discussed that sufficient information is not always provided by car navigation system, which has the most influences on drivers, rega...Lead moreThis paper discusses a methodology to promote use of P&R (Park and Ride) by utilizing common car navigation systems in Japan. First, it is discussed that sufficient information is not always provided by car navigation system, which has the most influences on drivers, regardless of the importance of various information provision to encourage a shift in drivers' automobile choice behavior for P&R promotion. Second, the required information for P&R use promotion is identified by exploring a precise picture of parking utilization in inner-city district and examining a possibility of change-over to P&R through survey taken from inner-city parking users. Finally, as a solution to the issues mentioned above, "P&R Information Network System" is developed by connecting car navigation systems and existing information provision systems.

Abstract

In this dissertation, It plans the mixture system which is used both in unmanned automatic toll collection system and manned collection system of the express highway, the domestic unmanned automatic toll collection system operates 870nm the infrared ray method and 5.8GHz ...Lead moreIn this dissertation, It plans the mixture system which is used both in unmanned automatic toll collection system and manned collection system of the express highway, the domestic unmanned automatic toll collection system operates 870nm the infrared ray method and 5.8GHz in frequency integrated method establishes in the Seoul angle circulating opened load express highway, to be to in the process of operating and magnification to the all around the Toll Gate. In the mixture system(TCS & ETCS), in closed load express is possible to operate to be collected both the existing TCS type and the unmanned automatic ETCS type payment in the same time or the individual time. Therefore this system is so important as that attain 60% of the all toll lane equipments when it will extend to operate to all around the country.From the mixture system, it expects to happen the vehicle control problem as both the difference processing time (TCS : 8 seconds, ETCS : 2 seconds) and no-OBU vehicle management.

Abstract

Service operation of electronic toll collection (ETC) system for motorcycles (two-wheeled vehicles) commenced in November 2006 along Japanese expressways. This paper delineates the backdrop and proceedings leading to practical service operation of the ETC system for motor...Lead moreService operation of electronic toll collection (ETC) system for motorcycles (two-wheeled vehicles) commenced in November 2006 along Japanese expressways. This paper delineates the backdrop and proceedings leading to practical service operation of the ETC system for motorcycles at tollgates along expressways.

Abstract

We are carrying our researches on various guidance systems to be used by aged and/or disabled passengers when they utilize railways. This paper describes the design and implementation of a guidance system for visually disabled, which is one of the materialized solutions b...Lead moreWe are carrying our researches on various guidance systems to be used by aged and/or disabled passengers when they utilize railways. This paper describes the design and implementation of a guidance system for visually disabled, which is one of the materialized solutions based on our study result. We have carried out a field test to evaluate the system at some stations in urban area. The results of the test have shown that the system is effective enough to be able to support visually disabled with absolutely no vision even when they walk in places where they have never been before.

Abstract

Floating car data (FCD) system that collect driving vehicles data and generate traffic information, improves performance of navigation system, and is expected to be an effective solution to relief congestion and reduce fuel consumption. Nissan starts traffic information s...Lead moreFloating car data (FCD) system that collect driving vehicles data and generate traffic information, improves performance of navigation system, and is expected to be an effective solution to relief congestion and reduce fuel consumption. Nissan starts traffic information service using FCD in 2006, and is now developing a test system to further improve the performance. In this paper, we are going to introduce the FCD test system we newly developed, a brief introduction to FCD system, and its technologies.

Abstract

In recent years, strengthening of safety management of taxi drivers and operating effectiveness improvement are required. It became essential to provide the service that properly responds to diversified means of settlement in the Japanese taxi industry. Yazaki taxi system...Lead moreIn recent years, strengthening of safety management of taxi drivers and operating effectiveness improvement are required. It became essential to provide the service that properly responds to diversified means of settlement in the Japanese taxi industry. Yazaki taxi system provides varied services that includes safety, environment, and effectiveness by interlocking the taxi meter with log recorder function, installed ETC instrument, drive recorder, GPS, card settlement terminal, wireless communication device and so on.

Abstract

This paper addresses safe driving assistance systems with inter-vehicle communications that alert a driver to a possible collision. In these systems, it is necessary to pick the ones on a collision course from a large number of vehicles around that communicate with each o...Lead moreThis paper addresses safe driving assistance systems with inter-vehicle communications that alert a driver to a possible collision. In these systems, it is necessary to pick the ones on a collision course from a large number of vehicles around that communicate with each other by wireless. We developed an algorithm to judge vehicles on a collision course, by using a digital road map of a commercial navigation system. The algorithm performance was verified by real tests. The test results are reported, with a description of the design of the system.

Abstract

East Nippon Expressway Company Limited (E-NEXCO) introduced the highway supervisory and control system, for the purpose of rationalizing and labor saving in highway facilities control management. Highway facilities are installed in an electric room of Tunnel (TN), Interch...Lead moreEast Nippon Expressway Company Limited (E-NEXCO) introduced the highway supervisory and control system, for the purpose of rationalizing and labor saving in highway facilities control management. Highway facilities are installed in an electric room of Tunnel (TN), Interchange (IC), and Service-area (SA) / Parking-area (PA) on a highway. This article introduces the function that the highway supervisory and control system performs for rationalization and labor saving.

Abstract

We have been in research for preventing vehicles from collisions at the cross-roads, and developed a scheme for detecting the sound from tires of a vehicle to recognize an approaching vehicle. So far, the direction of approaching vehicles has been detected with multiple m...Lead moreWe have been in research for preventing vehicles from collisions at the cross-roads, and developed a scheme for detecting the sound from tires of a vehicle to recognize an approaching vehicle. So far, the direction of approaching vehicles has been detected with multiple microphones onboard the vehicle. However, the detection time may be affected by the sound from the measuring vehicle of its own. We propose a new detection scheme in which the effect of the sound from radiator fan is to be reduced by means of the spectrum subtraction method with multiple microphones. In this paper, an experimental system developed based on the proposed scheme is described and the effectiveness of the proposed scheme is verified through field trials.

Abstract

Due to economic growth of the country, the amount of dangerous goods produced and imported for consumption and using as raw material for various industries has been increasing year by year. Thus, the number of trips making for dangerous goods transportation is also increa...Lead moreDue to economic growth of the country, the amount of dangerous goods produced and imported for consumption and using as raw material for various industries has been increasing year by year. Thus, the number of trips making for dangerous goods transportation is also increasing. Apparently, accident involving dangerous goods transport could cause severe damage to properties and lives. However, nowadays safety measure for transportation of dangerous goods in Thailand is still deficient. Especially, there is lacking in laws or regulations to deal with the process during dangerous goods vehicles make their trips. To cope with the dangerous goods transport safety problem the Office of Transport and Traffic Policy (OTP), a government agency who is responsible for supporting the Ministry of Transport in transport and traffic policy recommendation and analysis, has launched a pilot project of dangerous goods vehicle tracking system. The objective of the pilot project are to determine the

Abstract

The merger of neighboring towns and villages has given Toyota City more semi-mountainous areas with scattering villages and more districts where public transport is not available. As a possible means of bus operation in such semi-mountainous areas, the city government con...Lead moreThe merger of neighboring towns and villages has given Toyota City more semi-mountainous areas with scattering villages and more districts where public transport is not available. As a possible means of bus operation in such semi-mountainous areas, the city government conducted an experiment of the demand-responsive bus system with phone reservations, using what is called “welfare bus” services for travel support for the elderly. As a result, greater efficiency marked the bus operations to some extent, while meeting user needs. This paper repots on the outline of the experiment and some possible problems over future deployment.

Abstract

Toyota City, facing a serious problem of traffic congestion during the commuting period, is carrying out comprehensive measures for smooth traffic flow and reduction in carbon dioxide emission from automobiles, such as improvement of road networks and transport demand man...Lead moreToyota City, facing a serious problem of traffic congestion during the commuting period, is carrying out comprehensive measures for smooth traffic flow and reduction in carbon dioxide emission from automobiles, such as improvement of road networks and transport demand management (TDM). This paper touches on two case studies - “Challenge ECO Commuting” and “ECO Local Driver Monitoring” - designed to promote a shift among citizens to environment-friendly transportation on the strength of the Internet, and reports on their evaluation.

Abstract

At present, road and traffic information is mainly provided to vehicles through ITS technology, and regional information is rarely available. On the other hand, as part of the next-generation ITS services, the Ministry of Land, Infrastructure and Transport seeks to provid...Lead moreAt present, road and traffic information is mainly provided to vehicles through ITS technology, and regional information is rarely available. On the other hand, as part of the next-generation ITS services, the Ministry of Land, Infrastructure and Transport seeks to provide regional and tourist information to parking vehicles. Against this backdrop, Toyota City is conducting an experiment to use the ITS information base “Michi-Navi-Toyota” and provide local information. This paper mainly introduces the contents of the experiment and its evaluation, and at the same time touches on its future deployment.

Abstract

The sources of disruption to transportation network are numerous and the variability on traffic state and travel time is not accounted for in previous attempts. The reliability on transportation network can reflect the variability and show the ability to dealing with unce...Lead moreThe sources of disruption to transportation network are numerous and the variability on traffic state and travel time is not accounted for in previous attempts. The reliability on transportation network can reflect the variability and show the ability to dealing with uncertainty. To control and predict the travel time reliability before a trip, the transportation state should be simulated. Therefore, a stochastic road network model according to the randomness analysis of traffic demand and supply is proposed in this paper, where the variability of travel time is assumed Beta distribution and the algorithm of Frank-Wolfe combined with Method of Successive Average is presented. Meanwhile, the many reliability trials are performed to adapt future environments and a guide for increasing reliability can be obtained after analysis the effect of the variability on traffic state.

Abstract

Based on the data collected in the field, from information perspective, the paper analyses the process of through moving cyclist traversing right-turning vehicle flow, studies the major factories affecting the through cyclist traversing right-turning vehicle flow, and pro...Lead moreBased on the data collected in the field, from information perspective, the paper analyses the process of through moving cyclist traversing right-turning vehicle flow, studies the major factories affecting the through cyclist traversing right-turning vehicle flow, and proposes the decision model of through cyclist traversing right-turning vehicle flow in logistic regression approach, and validate the models with collected field data.

Abstract

Japan is regarded as one of the leaders of ITS development and deployment. The volume data such as VICS units or ETC units show that ITS is widely used throughout Japan. But, in the local area, it is hardly to say that ITS is recognized by general people and had the ITS b...Lead moreJapan is regarded as one of the leaders of ITS development and deployment. The volume data such as VICS units or ETC units show that ITS is widely used throughout Japan. But, in the local area, it is hardly to say that ITS is recognized by general people and had the ITS benefits. Therefore, there is the phenomenon called ITS Divide. For improving those situations, this paper discusses about the characteristics of local areas, problems of regional ITS and the deployment procedure of regional ITS which we call Grass-Roots ITS in the case of Kochi prefecture in Japan.

Abstract

A fundamental study has been conducted with regard to the possibility of realizing an Advanced cruise-assist Highway System (AHS) service on near misses. This system would detect near miss behavior from vehicle behavior data in order to monitor hazardous phenomena from a ...Lead moreA fundamental study has been conducted with regard to the possibility of realizing an Advanced cruise-assist Highway System (AHS) service on near misses. This system would detect near miss behavior from vehicle behavior data in order to monitor hazardous phenomena from a broad linear/planar perspective. A prior study discussed prospects for detecting near misses from data items that can be collected using car navigation systems. This report presents an overview of experiments conducted to collect vehicle behavior data under diverse conditions. The evaluation results for the thresholds and data items used to judge near misses are also reported.

Abstract

Merging sections hold the second largest number of accidents on urban expressways in Japan. Information-oriented safety measures are gaining more expectations than construction-related safety measures in light of time and cost. The ITS on-board unit, realized with the lat...Lead moreMerging sections hold the second largest number of accidents on urban expressways in Japan. Information-oriented safety measures are gaining more expectations than construction-related safety measures in light of time and cost. The ITS on-board unit, realized with the latest road-vehicle communication technology, realizes safety measures in more efficient way than with conventional roadside systems alone. The authors are promoting research for AHS services to support safe driving in merging sections through a cooperative vehicle-highway system with ITS on-board unit, targeting on-road sections on the Metropolitan Expressway. This paper reports on the results about appropriate information provision timing and service performance verification.

Abstract

The authors have been engaged in the development of “AHS for making traffic flow smoother” as measures against congestion in expressway sag sections by using a cooperative vehicle-highway system to provide drivers with appropriate information through the new ITS on-board ...Lead moreThe authors have been engaged in the development of “AHS for making traffic flow smoother” as measures against congestion in expressway sag sections by using a cooperative vehicle-highway system to provide drivers with appropriate information through the new ITS on-board unit. Present objective is to conduct field tests of this service in fiscal year 2007. Studies were previously carried out including a questionnaire survey to determine what information is appropriate to provide to drivers, research on acceptability of the service through the experiment using a driving simulator1) , and so on. This paper reports on a part of the results of those studies.

Abstract

Probe vehicle system (PV, also called floating car data system, FCD) is a real-time traffic information collection system through floating cars with orientation units such as GPS. The orientation units recording the vehicles’ position, time, speed, and other status inform...Lead moreProbe vehicle system (PV, also called floating car data system, FCD) is a real-time traffic information collection system through floating cars with orientation units such as GPS. The orientation units recording the vehicles’ position, time, speed, and other status information which be transmitted to data center. Then these large sample dada can be processed to get the link travel time or travel speed with a given calculating time interval. On the other hand, traffic operating status and trend can be analyzed through the day by day history data. This paper summarized the existing studies on probe penetration first. On the basis of that, the influencing factors on probe vehicle penetration were analyzed considering the global successful experiences and Beijing FCD practices. Using the actual FCD system data we put forward a necessary or optimization penetration scale of Beijing on a given condition. It can also provide basis for FCD system construction and travel time estimation.

Abstract

As the economic development, urbanization and motorization ownership of vehicles are all moving in the fast track, traffic congestion continues to worse in big cities. Although a great deal of investment in transport infrastructure has been conducted by the government, no...Lead moreAs the economic development, urbanization and motorization ownership of vehicles are all moving in the fast track, traffic congestion continues to worse in big cities. Although a great deal of investment in transport infrastructure has been conducted by the government, no obvious alleviation on traffic congestion has been seen. So researchers seek to traffic information to improve traffic management and extend the capacity of transportation system. As more and more vehicles equipped with GPS, real time traffic data can be achieved by floating car. We can estimate link travel speed through it, but how precise of the estimation we do not know. For the difficulty of acquiring real travel speed data to validate the accuracy, this paper acquire link travel time through vehicle license plate recognition. By sampling method, some conclusions can be achieved such as the running difference between taxi and common cars, the accuracy in different volume and different sample number condition.

Abstract

Connect Reliability (CR) is the essential index of Road Network Reliability. The Traditional methodology of CR is “0 or 1” estimation. It is an extreme method essentially. With the developing of city traditional methodology is applied difficultly. And it is expected that ...Lead moreConnect Reliability (CR) is the essential index of Road Network Reliability. The Traditional methodology of CR is “0 or 1” estimation. It is an extreme method essentially. With the developing of city traditional methodology is applied difficultly. And it is expected that CR index can be used to estimate the connection or travel cost of substituted route when the congestion blocks the segment and traveler should select the new route. It is thought that the route is still connective if traveler can find a substituted route which the travel cost is not enhanced more than the expectation. The travel cost of substituted route will decide the CR value and connectivity of OD which the old connect route is broken. And it hypothesizes that the road network reliability follows the principle of network theory. A new assessment methodology of connect reliability based on the substitute route was provided. Moreover, the calculating steps were described detailed.

Abstract

The map matching technology acts as the key role in the whole processing flow of floating car system. After comparing several existing map-matching methods and analyzing the real problems arise from complex data conditions when applied in Beijing, this paper puts forward ...Lead moreThe map matching technology acts as the key role in the whole processing flow of floating car system. After comparing several existing map-matching methods and analyzing the real problems arise from complex data conditions when applied in Beijing, this paper puts forward an improved map-matching algorithm based on route searching. And a sequence of real field data tests validate that the new algorithm has the capability of long time interval GPS data matching under complicated urban road network condition and obtains satisfied accuracy.

Abstract

In the traditional ITS information service systems, the users often get the real-time traffic information through observing the road state map or video pictures. This manner is not suitable for the people who are driving or doing things that need their eyes.This paper des...Lead moreIn the traditional ITS information service systems, the users often get the real-time traffic information through observing the road state map or video pictures. This manner is not suitable for the people who are driving or doing things that need their eyes.This paper designed an advanced network station system to transfer the real-time traffic information with audio data. Whose listening client can render the audio data that includes the real-time traffic information to the user based on the user’s position. For the system’s architecture is extensible and the audio data’s transmission is peer-to-peer, the network station system can support the station client’s large-scale accessing. The presented paper covers the following topics. 1.The collection and distribution of real-time traffic audio data. 2.The architecture of network station system for real-time traffic information. 3.The communication protocol of system. 4.The transferring control of audio stream in the system.

Abstract

This paper explains our extensive research results of visual assistance for drivers based on mixed reality for years and discusses the technical advantages of our research framework. They are; utilization of roadside cameras, development of wind shield display, error-free...Lead moreThis paper explains our extensive research results of visual assistance for drivers based on mixed reality for years and discusses the technical advantages of our research framework. They are; utilization of roadside cameras, development of wind shield display, error-free image processing system, vision enhancement by mixed reality, and evaluation in real traffic environment. All our approaches concentrate on providing the best visual clues that can be intuitively and instantly understandable for driver’s vision in driving situation. The virtual mirrors and the virtual slope are our research results in this framework.

Abstract

The system which offers the traffic environment where it can turn to the right safely by offering the raw traffic footage which can be transmitted by the communication capacity of DSRC to the driver which is carrying out waiting for right-turn at the crossing was devised.The system which offers the traffic environment where it can turn to the right safely by offering the raw traffic footage which can be transmitted by the communication capacity of DSRC to the driver which is carrying out waiting for right-turn at the crossing was devised.

Abstract

We present the use of ad hoc multi-hop flooding for information sharing in inter-vehicular networks. Each vehicle broadcasts their GPS (Global Position System) position coordinates at regular intervals, and relays packets broadcast by neighbors using flooding. The vehicle...Lead moreWe present the use of ad hoc multi-hop flooding for information sharing in inter-vehicular networks. Each vehicle broadcasts their GPS (Global Position System) position coordinates at regular intervals, and relays packets broadcast by neighbors using flooding. The vehicles also broadcast and relay urgent event-driven information. We implemented Layer-2 forwarding for urgent packets in the wireless LAN driver to reduce packet forwarding delay. In this method, we realize priority identification using subtype values in the MAC header. We obtained experiment results showing that the average packet delay of urgent packet is 1 millisecond less than that of normal packets. We also implemented and demonstrated an information sharing application named UbiView 2006.

Abstract

VICS service started in 1996 and has provided traffic information to car navigation system immediately. A total number of shipments of VICS on-board units reached 16,000,000, so it is expected as social effect that traffic concentration is relaxed using VICS information. ...Lead moreVICS service started in 1996 and has provided traffic information to car navigation system immediately. A total number of shipments of VICS on-board units reached 16,000,000, so it is expected as social effect that traffic concentration is relaxed using VICS information. This reseach was aimed at estimating social effect of VICS information service of all over Japan. As a result, the socialeffect was estimated with about 7,800 billion yen per year. In addition, the improvement effect was estimated based on many scenarios of spread rate of VICS on-board units.

Abstract

This project based on the results of the prior studies on the Research of Taiwan’s ITS System Architecture to further investigate and improve the results. With consideration of the demands from intercity and metropolitan transportation users and management agencies, this ...Lead moreThis project based on the results of the prior studies on the Research of Taiwan’s ITS System Architecture to further investigate and improve the results. With consideration of the demands from intercity and metropolitan transportation users and management agencies, this project aims to increase the involvement of the ITS stakeholders so that a broader aspect on ITS deployment could be obtained. This project focuses on ITS architectures development for metropolitan areas and intercity systems. “Regional ITS Architecture Procedure Guidelines” is developed. Metropolitan areas include Taipei, Taichung, and Kaohsiung. Intercity systems cover mainly national and provincial highways, but rail and air transportation systems are also related. In addition, two system architecture application tools, web-based ITS Turbo Architecture and ITS System Architecture Website, are developed

Abstract

In this paper, we propose a website to exhibit the traffic information for every 5 minutes at certain places of street measured by three Radio Frequency Identification (RFID) readers for 216 tags installed on two different urban bus companies and transmit those informatio...Lead moreIn this paper, we propose a website to exhibit the traffic information for every 5 minutes at certain places of street measured by three Radio Frequency Identification (RFID) readers for 216 tags installed on two different urban bus companies and transmit those information via GPRS modem from testing point to control center. Each data can be used to indicate the exact point of traffic condition in a big city. Because the design hardware of reader is not suitable for the purpose of collecting traffic information, one can not adjust its resolution as you like. Thus, the analysis of turning point on the major errors of distance and timing errors is very important to let the system designer to take correct strategies to compensate for all of possible errors. One can conclude the following rule: 1) when speed is fast, timing error becomes dominant; 2) when speed is low, distance error becomes dominant. The result is very valuable for the local government to make a decision on the adjustment

Abstract

Toyota City promotes to make the society which has no traffic accidents any more and has the goal to reduce the number of traffic accident fatalities to 20% by 2010. The city positions the traffic accidents provision as an important policy and fighting against it with the...Lead moreToyota City promotes to make the society which has no traffic accidents any more and has the goal to reduce the number of traffic accident fatalities to 20% by 2010. The city positions the traffic accidents provision as an important policy and fighting against it with the national government and the private enterprises. This report introduces the actual methods for preventing from the traffic accident by analyzing and evaluating the traffic accidents in Toyota City and also considers the concrete provision with the ITS on-board units which is expected to be developed and popularized in the near future.

Abstract

With the rapid development economy and more complexity of society, some public paroxysmal accidents will happen every now and then, such as radiological events, nature and contrived disasters and diseases, etc. In the emergency, preparedness can be alleviate the effect an...Lead moreWith the rapid development economy and more complexity of society, some public paroxysmal accidents will happen every now and then, such as radiological events, nature and contrived disasters and diseases, etc. In the emergency, preparedness can be alleviate the effect and help more people survive. And transport emergency preparedness is one of the most important parts. In the paper, system architecture for Transportation Emergency prepardness System based on GIS and traffic simulation is given.

Abstract

Nowadays, more and more short-term traffic flow forecasting models have been presented because of its importance in both the theoretical and empirical aspects of ITS deployment. Unlike current methods, the short-term traffic flow forecasting model presented in this paper ...Lead moreNowadays, more and more short-term traffic flow forecasting models have been presented because of its importance in both the theoretical and empirical aspects of ITS deployment. Unlike current methods, the short-term traffic flow forecasting model presented in this paper based on small quantity training samples and nonlinear theory, which is suitable for complex transportation systems. Considering the chaotic character of traffic flow series, this paper combines the chaos theory and Support Vector Machine (SVM) theory together, chaos-SVM forecasting model is presented, at the same time, the model solves the structure determination problem very well. The experiment result is accurate and reliable.

Abstract

This paper describes about simulation technology for Cooperative Intersection Collision Avoidance Systems (CICAS) [1] with DSRC (Dedicated Short Range Communication). In order to realize CICAS, there is a problem that it is difficult to evaluate / test developed system. S...Lead moreThis paper describes about simulation technology for Cooperative Intersection Collision Avoidance Systems (CICAS) [1] with DSRC (Dedicated Short Range Communication). In order to realize CICAS, there is a problem that it is difficult to evaluate / test developed system. So, in order to solve this problem, we have developed real-time traffic simulator in cooperation with real DSRC system with Hardware-In-the-Loop technology.

Abstract

License Plate Recognition (LPR) system plays a very important role in intelligent traffic control and management. It has many applications recent years, for example, car park entrance and exit management, high way surveillance, and electric toll collection. Among the thre...Lead moreLicense Plate Recognition (LPR) system plays a very important role in intelligent traffic control and management. It has many applications recent years, for example, car park entrance and exit management, high way surveillance, and electric toll collection. Among the three steps of LPR - license plate extraction(LPE), character segmentation and character recognition, LPE is the most important since only the plate can be extracted correctly the following steps can perform well. Generally, many plate candidates, which include fake candidates would be extracted in LPE process. These candidates would be verified to improve the performance of LPR in speed and accuracy. In this paper, a novel candidate verification technique which is mainly based on texture and geometric properties is proposed. In the new method, autocorrelation curve, geometric and projection properties are combined to verify the candidates. Experimental results on headlights show the superiority of proposed method.

Abstract

Urban transport problems emerge in many cities, especially in developed and highly developing ones. The main components of problems and reasons are analysis in this paper and by the field data from deferent cities of China, such as metropolis, developed city and developin...Lead moreUrban transport problems emerge in many cities, especially in developed and highly developing ones. The main components of problems and reasons are analysis in this paper and by the field data from deferent cities of China, such as metropolis, developed city and developing city. For the cases in China, ITS are given as the solution to the traffic problems in which describes how ITS work in the solution procedure.

Abstract

In this paper, the simulation layer is discussed in detail and numerical experiments are conducted to illustrate possible impact of real-time on network vehicular flows under mixed traffic conditions. In the simulation process, each vehicle is moved and tracked individual...Lead moreIn this paper, the simulation layer is discussed in detail and numerical experiments are conducted to illustrate possible impact of real-time on network vehicular flows under mixed traffic conditions. In the simulation process, each vehicle is moved and tracked individually. Four different vehicle types are explicitly considered in DynaTAIWAN, including car, bus, motorcycle, and truck. Vehicles are moving along the link through macroscopic flow relationships, speeds of each type of vehicle are adjusted. Numerical experiments are conducted in a 50-node test network and a Taichung City Network.