As the field of remote imaging spectrometry grows, interest increases in applications that require the data be “corrected” to surface reflectance. However, the utility of the data for these applications will be limited by the accuracy to which the correction can be performed. Two approaches to atmospheric compensation are reviewed and applied to airbome spectrometer data to study their error ch...

There is a growing need to support voice communication in wireless sensor networks for use in emergency scenarios. In this paper we develop an end-to-end rescue communication voice gateway to provide a stable voice transmission over Bluetooth and Zigbee networks for mountain climber. The performance analyses, in terms of end-to-end throughput, packet loss rate, jitter and delay, show that our i...

In Multihop Wireless Networks, traffic forwarding capability of each node varies according to its level of contention. Each node can yield its channel access opportunity to its neighbouring nodes, so that all the nodes can evenly share the channel and have similar forwarding capability. In this manner the wireless channel is utilized effectively, which is achieved using Contention Window Adapta...

The migration of the Internet from classic computer communication to a platform for multimedia applications with real-time communication requires end-to-end improvements of the network-level service. The proposal known as Differentiated Services is a very promising approach for implementing quality of service in the Internet and is being discussed and developed. The challenge is to deliver end-...

This paper describes the design of a video see-through augmented reality system for active safety testing. The development is explained in detail, with focus on the design considerations for the different subsystems. It is shown that it is possible to build a system using available commercial off-the-shelf components, while still maintaining the performance needed for the intended application. ...

With audiovisual and other sensory information in distributed multimedia applications, end-to-end quality of service guarantees are a major acceptance factor for these applications. We designed and implemented an end-point architecture, called OMEGA, for provision of end-to-end QoS guarantees. This architecture relies on a distributed QoS management entity, called the QoS Broker, to translate, ...

End-user focused end-to-end Service Delivery Platform offerings are key to achieving real market and revenue growth through effective partner and service lifecycle management. Rapid and efficient rollout, operation and retirement of services support true service innovation. Adopting the end-to-end approach will allow operators to service-enable their subscribers. Subscribers become empowered an...

An end-to-end data delivery protocol for dynamic communication networks is presented. The protocol uses bounded sequence numbers and can tolerate both link failures and (intermediate) processor crashes. Previous bounded end-to-end protocols could not tolerate crashes. We present a self-stabilizing version of the algorithm that can recover from crashes of the sender and the receiver as well as o...

Electronic communications devices intended for government or military applications must be rigorously evaluated to ensure that they maintain data confidentiality. High-grade information security evaluations require a detailed analysis of the device’s design, to determine how it achieves necessary security functions. In practice, such evaluations are labour-intensive and costly, so there is a st...

This paper present details of an integrated database visualization system. The system supports the visualization process from an end-to-end perspective. Included in the system is a mechanism for performing transformations to the data being visualized through the use of database relations. This mapping process provides an abstract mechanism for supporting data to geometry transformations under t...