Traffic Queue Detection Using Image-Processing
A method of queue/congestion detection is described using low cost image processing and computing hardware. It is capable of processing data from a length of roadway within a few seconds,...

Report of the DEVLONICS Video Based Traffic Detector Systems (DRS-CCATS/DTMSA)
In traffic monitoring systems many detectors are in widespread use to provide the necessary information. Image and video processing is one of the most defiant newcoming technologies in...

Stereo Vision with Scan-Line Cameras for Intrusion Detection on L.R.T. Tracks
In this paper we present a new method for the detection of intrusions by means of stereo vision in order to infer 3D information from two linear sensors. This method can be used for security...

Routing Based on Anticipated Travel Times
The routing of drivers based on anticipated as well as instantaneous link travel times has presented route guidance system developers with an opportunity to achieve additional IVHS benefits...

Maglev Technology: A Look at Guideway Construction and Maintenance Concerns
Magnetically levitated vehicle technology, maglev, serves as a potential solution to ever increasing transportation demands. Though interest in maglev appears to be increasing, an appropriate...

Two Approaches for Characterizing Images of Rail Surface Flaws
Rail surface flaws can be removed by grinding to improve the life of rail and provide a safe, smooth running surface. To avoid time consuming and costly visual inspection in the determination...

Computer Simulation and Disposition in Railway
The paper describes simulation package on high capacity personal computer. Sofware package PC-SIMU simulates extremely accurately the movement of trains within the region of the line suitable...

Rail Replacement Planning: A Knowledge System Approach
Replacer is a knowledge system that provides a consistent means for developing plans for rail replacement. It was developed, tested, and evaluated in cooperation with Burlington Northern...

CADD?Database Application for Facility Inspections
In 1989, the Sverdrup Corporation was hired to perform the Comprehensive Inspection of the Queens-Midtown and Brooklyn-Battery tunnels in New York City. From the onset of the project it...

Automated Analysis of Pavement Distress Data
A system model that can be used for the analysis of pavement distress data collected by various visual devices (e.g. photographic film) is presented. The models operate at two levels:...

Pavement Image Processing Using Neural Networks
This paper discusses the potential for employing neural network models in the pavement image interpretation and classification stage of an automated pavement condition evaluation system....

An Application of Expert Systems to Traffic Signal Control
Signal Control at Isolated Intersections (SCII) has been developed to emulate an adaptive controller using AI technology. It is an application of expert systems to the real-time traffic...

Advanced Software Design and Standards for Traffic Control
Improved traffic traffic management and control systems are widely reported to be cost effective investments [Neudorff 88, Kessmann 85]. However, many hardware and software obstacles have...

Traffic Signals and At-Grade LRT
Light rail systems are making a comeback in American cities. This often generates local concerns about traffic congestion. This paper discusses the application of computer technology to...

Computer Aided Engineering Analysis for Transportation Links ? Management Options
CAD applications on Engineering Analysis have proved very effective in view of its wide applicability & the conceptualization power of interactive computer graphics (ICG). Transportation...

Video Image Processing for Toll Operation Evaluation
Toll motorway companies are very much concerned with toll plaza operation and its appreciation by customers. The problem is two-fold: define a desired level of service (queue lengths,...

Car Wars?The DOTs Strike Back
HNTB is developing integrated computer systems utilizing standard hardware and software platforms coupled with graphical user interfaces for traffic management systems (TMS). Rapid, user-friendly...

Automatic Incident Detection Using Image Processing Techniques: A Specific System Used in INVAID
INRETS together with other partners, within the European DRIVE program framework is working on developing a system able to detect incidents on motorway by processing video images (Jref....

A Distributed Real Time Knowledge-Based System Using Video Image Processing for Junctions Automatic Incident Detection
The scope of the INVAID project (in the European DRIVE program) is to build an automatic incident detection system which incorporate the image processing capabilities. In the urban aspects...

Dynamic Estimation of Freeway Demand Patterns and a Stochastic Programming Approach to Freeway Ramp Metering
Controlling the rate at which vehicles are allowed to enter a freeway from the freeway's on-ramps has become a standard method for reducing the impact of both recurring and...

 

 

 

 

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