Real-time qualitative road traffic data analysis is the cornerstone for any modern transport system. So far, most of the analysis is done manually and the use of image processing techniques for qualitative analysis is at its early stage. In this paper we concentrate on qualitative analysis of a traffic scene, which is describing the traffic scene similar to the description of a traffic expert w...

When implementing ramp metering in the context of freeway networks, traffic can spontaneously re-route due to the applied control actions. Although this re-routing can have an important impact on the resulting traffic situation in the traffic network and on the performance of the traffic network as a whole, re-routing is not automatically included in current model predictive frameworks for free...

We present a method and software for comparison of different road traffic control systems based on using of software agents. In last years, the agent-based traffic control is often discussed. Many agents were designed, but there is no way how to compare them in the same situation. Our system is designed to allow placement of different traffic control agents in simulated traffic network. Afterwa...

Different routing strategies may result in different behaviors of traffic in internet. We review the routing strategies developed recently in the field of physics and show that the traffic can be significantly improved by the adaptive routing approaches. Comparing with the shortest path approach, the adaptive routing approaches can reduce the over-loading of hub nodes and thus increase the capa...

A Distributed Denial of Service (DDoS) attack is a major security threat for networks and Internet services. Attackers can generate attack traffic similar to normal network traffic using sophisticated attacking tools. In such a situation, many intrusion detection systems fail to identify DDoS attack in real time. However, DDoS attack traffic behaves differently from legitimate network traffic i...

To improve convenience of public transportation, we propose a system that extracts and visualizes information about traffic situation of railway by using web camera images. In our method, we extract train information by existing moving object detection method and restriction about running position of trains. Then, passing time and direction of actual trains are visualized with scheduled time. T...

In 1996, on initiative of the Swedish National Rail Administration, a research study was initiated by the department of Human Computer Interaction at Uppsala University with the aim to learn more about the problems and difficulties involved in train traffic control. As a result of this study, and the developing situation with higher speeds, more frequent traffic, and many competing train traffi...

Airports are often a capacity-limiting constraint for the rest of the National Airspace System (NAS). A recent effort investigated methods to improve surface operations by supplying optimized scheduling and sequencing advisories for the Ground and Local controllers working at Air Traffic Control Towers. The tool is collectively known as the Spot and Runway Departure Advisor (SARDA). A series of...

Micro simulation programs are often used to assess the quality of traffic conditions. They are especially suited to evaluate possible control scenarios in advance, so that the scenarios can be selected and optimized before implementation. Of course, the simulation programs should be valid for the traffic situation that has to be modeled with respect to the relevant traffic characteristics. Cali...

Airports are often a capacity-limiting constraint for the rest of the National Airspace System (NAS). A recent effort investigated methods to improve surface operations by supplying optimized scheduling and sequencing advisories for the Ground and Local controllers working at Air Traffic Control Towers. The tool is collectively known as the Spot and Runway Departure Advisor (SARDA). A series of...