Document Type

Article

Date

Summer 7-9-2012

Keywords

Distributed spectral PCT algorithm, Image fusion, Hyper-spectral images, Intrusion tolerance, Application independent library technology

Language

English

Disciplines

Computer Sciences

Description/Abstract

The paper describes a distributed spectral-screening PCT algorithm for fusing hyper-spectral images in remote sensing applications. The algorithm provides intrusion tolerance from information warfare attacks using the notion of computational resiliency. This concept uses replication to achieve fault tolerance, but goes further to dynamically regenerate replication in response to an attack or failure. The concepts of resiliency are incorporated through library technology that is application independent. This library hides the details of communication protocols required to achieve dynamic replication and reconfiguration in distributed applications. The paper provides a status report on our progress in developing the concept and applying it to image fusion. In particular we examine the performance of the PCT algorithm and compare the results with and without resiliency to assess the associated overheads

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