Based on an analysis of the current research and application of Road maintenance, geographic information system (WebGIS) and ArcGIS Server, the platform overhead construction for Road maintenance development is studied and the key issues are presented, including the organization and design of spatial data on the basis of the geodatabase technology, middleware technology, tiles cache index techn...

Link layer controllers for the AVHS architecture proposed in PATH are derived using vehicle conservation flow models. Control laws are developed for three highway topologies: a single lane highway, a highway with multiple discrete lanes and a highway with an arbitrary 2 dimensional flow pattern. The control laws obtained for each of the topologies is distributed and is very suited for implement...

brain mr images tissue segmentation is one of the most important parts of the clinical diagnostic tools. pixel classification methods have been frequently used in the image segmentation with two supervised and unsupervised approaches up to now. supervised segmentation methods lead to high accuracy but they need a large amount of labeled data, which is hard, expensive and slow to obtain. moreove...

Purdue has not only led the way in spreading the gospel of better highway construction methods through its academic program and through regular meetings such as this one, but also set the pattern for service to the state highway department through its Joint Highway Research Project that is now being followed in many other states. And the influence of Purdue is being felt throughout the nation a...

A license plate recognition (LPR) system is one kind of intelligent transport systems and is of considerable interest because of its potential applications to areas such as highway electronic toll collection, traffic monitoring system and so on. This paper proposes an automatic license plate recognition system for Saudi Arabian license plates. The system captures the images of the vehicles with...

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Transportation networks and governments are both hierarchically organized. In some states state government finances most of the highways, while in other states similar roads are financed locally. Larger governments attain scale economies. However they also tend to be more bureaucratic and have higher operating costs, all else equal, due to problems such as span of control. This study relates hi...

A Ithough the number of traffic accidents each year has been substantially reduced over the past decade, highway crashes continue to be a serious problem in the United States. In 1983 approximately 42,400 persons died in highway crashes, and 2 million suffered nonfatal injuries. The 217. reduction in annual highway fatalities and the 367. reduction in the highway fatality rate (fatalities/lOO m...