695 research outputs found

    Automated Find Fix and Track with a Medium Altitude Long Endurance Remotely Piloted Aircraft

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    A limitation in RPA ISR operations is loss of target track if the command link is severed. For an RPA to effectively execute the ISR mission without a command link, it needs the capability to F2T targets autonomously. Automated Find Fix and Track (AFFTRAC) was developed to help solve this problem by demonstrating a proof of concept tactical autopilot. Monocular stereo vision was used to process sequential images acquired during orbit to produce a partial structural point cloud of the original structure. This partial structural point cloud was then exploited to create a holding area density for the aircraft to stay within. A simple greedy algorithm exploited this holding area density to produce aircraft turn commands to approximate tactical ISR holding. The result was that imagery from existing MQ-9 sensors was used to provide command guidance to autonomously to maintain line of sight to a target. Overall, AFFTRAC is a promising initial framework for a tactical autopilot, but additional development is needed to mature component algorithms

    Workshop sensing a changing world : proceedings workshop November 19-21, 2008

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    The design and implementation of an automated intelligence collection management tool

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    Currently, the only support for tactical intelligence collection management to a U. S. Army field commander is a manual process. This process results in a product that is many times erroneous and untimely. In response to this, the problem addressed by this work is to design and implement an automated collection management tool which will enable an intelligence analyst to provide a more timely and accurate intelligence picture of the battlefield. The approach taken was to design the tool using an object oriented paradigm, develop the asset resource evaluation algorithms, and then implement the tool using U.S. Army Intelligence Community standards for interface design, coding, and functionality. This tool allows an intelligence analyst to translate a Commander's guidance into intelligence indicators composed of nodes with observable signatures, track collection assets, and evaluate the collection capability of assets against observable signatures by availability, capability, and vulnerability. The results of this thesis is an automated collection management tool which is presently under evaluation by the U.S. Army Intelligence Center and School for fielding at all echelons.http://archive.org/details/designimplementa00tomlCaptain, United States ArmyApproved for public release; distribution is unlimited

    Department of Defense Dictionary of Military and Associated Terms

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    The Joint Publication 1-02, Department of Defense Dictionary of Military and Associated Terms sets forth standard US military and associated terminology to encompass the joint activity of the Armed Forces of the United States. These military and associated terms, together with their definitions, constitute approved Department of Defense (DOD) terminology for general use by all DOD components

    An Autonomic Cross-Platform Operating Environment for On-Demand Internet Computing

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    The Internet has evolved into a global and ubiquitous communication medium interconnecting powerful application servers, diverse desktop computers and mobile notebooks. Along with recent developments in computer technology, such as the convergence of computing and communication devices, the way how people use computers and the Internet has changed peopleÂŽs working habits and has led to new application scenarios. On the one hand, pervasive computing, ubiquitous computing and nomadic computing become more and more important since different computing devices like PDAs and notebooks may be used concurrently and alternately, e.g. while the user is on the move. On the other hand, the ubiquitous availability and pervasive interconnection of computing systems have fostered various trends towards the dynamic utilization and spontaneous collaboration of available remote computing resources, which are addressed by approaches like utility computing, grid computing, cloud computing and public computing. From a general point of view, the common objective of this development is the use of Internet applications on demand, i.e. applications that are not installed in advance by a platform administrator but are dynamically deployed and run as they are requested by the application user. The heterogeneous and unmanaged nature of the Internet represents a major challenge for the on demand use of custom Internet applications across heterogeneous hardware platforms, operating systems and network environments. Promising remedies are autonomic computing systems that are supposed to maintain themselves without particular user or application intervention. In this thesis, an Autonomic Cross-Platform Operating Environment (ACOE) is presented that supports On Demand Internet Computing (ODIC), such as dynamic application composition and ad hoc execution migration. The approach is based on an integration middleware called crossware that does not replace existing middleware but operates as a self-managing mediator between diverse application requirements and heterogeneous platform configurations. A Java implementation of the Crossware Development Kit (XDK) is presented, followed by the description of the On Demand Internet Computing System (ODIX). The feasibility of the approach is shown by the implementation of an Internet Application Workbench, an Internet Application Factory and an Internet Peer Federation. They illustrate the use of ODIX to support local, remote and distributed ODIC, respectively. Finally, the suitability of the approach is discussed with respect to the support of ODIC

    Knowledge visualizations: a tool to achieve optimized operational decision making and data integration

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    The overabundance of data created by modern information systems (IS) has led to a breakdown in cognitive decision-making. Without authoritative source data, commanders’ decision-making processes are hindered as they attempt to paint an accurate shared operational picture (SOP). Further impeding the decision-making process is the lack of proper interface interaction to provide a visualization that aids in the extraction of the most relevant and accurate data. Utilizing the DSS to present visualizations based on OLAP cube integrated data allow decision-makers to rapidly glean information and build their situation awareness (SA). This yields a competitive advantage to the organization while in garrison or in combat. Additionally, OLAP cube data integration enables analysis to be performed on an organization’s data-flows. This analysis is used to identify the critical path of data throughout the organization. Linking a decision-maker to the authoritative data along this critical path eliminates the many decision layers in a hierarchal command structure that can introduce latency or error into the decision-making process. Furthermore, the organization has an integrated SOP from which to rapidly build SA, and make effective and efficient decisions.http://archive.org/details/knowledgevisuali1094545877Outstanding ThesisOutstanding ThesisMajor, United States Marine CorpsCaptain, United States Marine CorpsApproved for public release; distribution is unlimited

    Training of Crisis Mappers and Map Production from Multi-sensor Data: Vernazza Case Study (Cinque Terre National Park, Italy)

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    This aim of paper is to presents the development of a multidisciplinary project carried out by the cooperation between Politecnico di Torino and ITHACA (Information Technology for Humanitarian Assistance, Cooperation and Action). The goal of the project was the training in geospatial data acquiring and processing for students attending Architecture and Engineering Courses, in order to start up a team of "volunteer mappers". Indeed, the project is aimed to document the environmental and built heritage subject to disaster; the purpose is to improve the capabilities of the actors involved in the activities connected in geospatial data collection, integration and sharing. The proposed area for testing the training activities is the Cinque Terre National Park, registered in the World Heritage List since 1997. The area was affected by flood on the 25th of October 2011. According to other international experiences, the group is expected to be active after emergencies in order to upgrade maps, using data acquired by typical geomatic methods and techniques such as terrestrial and aerial Lidar, close-range and aerial photogrammetry, topographic and GNSS instruments etc.; or by non conventional systems and instruments such us UAV, mobile mapping etc. The ultimate goal is to implement a WebGIS platform to share all the data collected with local authorities and the Civil Protectio

    Study of earth observation business models by means of the Business Model Canvas methodology

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    This project tries to study and compare two big players in the Earth Observation market to identify their main peculiarities that make them succeed in the market.Idenfity two big players in Earth Observation marketStudy in detail each case study and see how they operate applying the business model CANVAS Identify the case study peculiarities that make them succeed in the market Propose the successful factors that should be taken into account in this market according the case studie

    Radar satellite imagery for humanitarian response. Bridging the gap between technology and application

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    This work deals with radar satellite imagery and its potential to assist of humanitarian operations. As the number of displaced people annually increases, both hosting countries and relief organizations face new challenges which are often related to unclear situations and lack of information on the number and location of people in need, as well as their environments. It was demonstrated in numerous studies that methods of earth observation can deliver this important information for the management of crises, the organization of refugee camps, and the mapping of environmental resources and natural hazards. However, most of these studies make use of -high-resolution optical imagery, while the role of radar satellites is widely neglected. At the same time, radar sensors have characteristics which make them highly suitable for humanitarian response, their potential to capture images through cloud cover and at night in the first place. Consequently, they potentially allow quicker response in cases of emergencies than optical imagery. This work demonstrates the currently unused potential of radar imagery for the assistance of humanitarian operations by case studies which cover the information needs of specific emergency situations. They are thematically grouped into topics related to population, natural hazards and the environment. Furthermore, the case studies address different levels of scientific objectives: The main intention is the development of innovative techniques of digital image processing and geospatial analysis as an answer on the identified existing research gaps. For this reason, novel approaches are presented on the mapping of refugee camps and urban areas, the allocation of biomass and environmental impact assessment. Secondly, existing methods developed for radar imagery are applied, refined, or adapted to specifically demonstrate their benefit in a humanitarian context. This is done for the monitoring of camp growth, the assessment of damages in cities affected by civil war, and the derivation of areas vulnerable to flooding or sea-surface changes. Lastly, to foster the integration of radar images into existing operational workflows of humanitarian data analysis, technically simple and easily-adaptable approaches are suggested for the mapping of rural areas for vaccination campaigns, the identification of changes within and around refugee camps, and the assessment of suitable locations for groundwater drillings. While the studies provide different levels of technical complexity and novelty, they all show that radar imagery can largely contribute to the provision of a variety of information which is required to make solid decisions and to effectively provide help in humanitarian operations. This work furthermore demonstrates that radar images are more than just an alternative image source for areas heavily affected by cloud cover. In fact, what makes them valuable is their information content regarding the characteristics of surfaces, such as shape, orientation, roughness, size, height, moisture, or conductivity. All these give decisive insights about man-made and natural environments in emergency situations and cannot be provided by optical images Finally, the findings of the case studies are put into a larger context, discussing the observed potential and limitations of the presented approaches. The major challenges are summarized which need be addressed to make radar imagery more useful in humanitarian operations in the context of upcoming technical developments. New radar satellites and technological progress in the fields of machine learning and cloud computing will bring new opportunities. At the same time, this work demonstrated the large need for further research, as well as for the collaboration and transfer of knowledge and experiences between scientists, users and relief workers in the field. It is the first extensive scientific compilation of this topic and the first step for a sustainable integration of radar imagery into operational frameworks to assist humanitarian work and to contribute to a more efficient provision of help to those in need.Die vorliegende Arbeit beschĂ€ftigt sich mit bildgebenden Radarsatelliten und ihrem potenziellen Beitrag zur UnterstĂŒtzung humanitĂ€rer EinsĂ€tze. Die jĂ€hrlich zunehmende Zahl an vertriebenen oder geflĂŒchteten Menschen stellt sowohl AufnahmelĂ€nder als auch humanitĂ€re Organisationen vor große Herausforderungen, da sie oft mit unĂŒbersichtlichen VerhĂ€ltnissen konfrontiert sind. Effektives Krisenmanagement, die Planung und Versorgung von FlĂŒchtlingslagern, sowie der Schutz der betroffenen Menschen erfordern jedoch verlĂ€ssliche Angaben ĂŒber Anzahl und Aufenthaltsort der GeflĂŒchteten und ihrer natĂŒrlichen Umwelt. Die Bereitstellung dieser Informationen durch Satellitenbilder wurde bereits in zahlreichen Studien aufgezeigt. Sie beruhen in der Regel auf hochaufgelösten optischen Aufnahmen, wĂ€hrend bildgebende Radarsatelliten bisher kaum Anwendung finden. Dabei verfĂŒgen gerade Radarsatelliten ĂŒber Eigenschaften, die hilfreich fĂŒr humanitĂ€re EinsĂ€tze sein können, allen voran ihre UnabhĂ€ngigkeit von Bewölkung oder Tageslicht. Dadurch ermöglichen sie in KrisenfĂ€llen verglichen mit optischen Satelliten eine schnellere Reaktion. Diese Arbeit zeigt das derzeit noch ungenutzte Potenzial von Radardaten zur UnterstĂŒtzung humanitĂ€rer Arbeit anhand von Fallstudien auf, in denen konkrete Informationen fĂŒr ausgewĂ€hlte Krisensituationen bereitgestellt werden. Sie sind in die Themenbereiche Bevölkerung, Naturgefahren und Ressourcen aufgeteilt, adressieren jedoch unterschiedliche wissenschaftliche AnsprĂŒche: Der Hauptfokus der Arbeit liegt auf der Entwicklung von innovativen Methoden zur Verarbeitung von Radarbildern und rĂ€umlichen Daten als Antwort auf den identifizierten Forschungsbedarf in diesem Gebiet. Dies wird anhand der Kartierung von FlĂŒchtlingslagern zur AbschĂ€tzung ihrer Bevölkerung, zur Bestimmung von Biomasse, sowie zur Ermittlung des Umwelteinflusses von FlĂŒchtlingslagern aufgezeigt. DarĂŒber hinaus werden existierende oder erprobte AnsĂ€tze fĂŒr die Anwendung im humanitĂ€ren Kontext angepasst oder weiterentwickelt. Dies erfolgt im Rahmen von Fallstudien zur Dynamik von FlĂŒchtlingslagern, zur Ermittlung von SchĂ€den an GebĂ€uden in Kriegsgebieten, sowie zur Erkennung von Risiken durch Überflutung. Zuletzt soll die Integration von Radardaten in bereits existierende AblĂ€ufe oder Arbeitsroutinen in der humanitĂ€ren Hilfe anhand technisch vergleichsweise einfacher AnsĂ€tze vorgestellt und angeregt werden. Als Beispiele dienen hier die radargestĂŒtzte Kartierung von entlegenen Gebieten zur UnterstĂŒtzung von Impfkampagnen, die Identifizierung von VerĂ€nderungen in FlĂŒchtlingslagern, sowie die Auswahl geeigneter Standorte zur Grundwasserentnahme. Obwohl sich die Fallstudien hinsichtlich ihres Innovations- und KomplexitĂ€tsgrads unterscheiden, zeigen sie alle den Mehrwert von Radardaten fĂŒr die Bereitstellung von Informationen, um schnelle und fundierte Planungsentscheidungen zu unterstĂŒtzen. DarĂŒber hinaus wird in dieser Arbeit deutlich, dass Radardaten fĂŒr humanitĂ€re Zwecke mehr als nur eine Alternative in stark bewölkten Gebieten sind. Durch ihren Informationsgehalt zur Beschaffenheit von OberflĂ€chen, beispielsweise hinsichtlich ihrer Rauigkeit, Feuchte, Form, GrĂ¶ĂŸe oder Höhe, sind sie optischen Daten ĂŒberlegen und daher fĂŒr viele Anwendungsbereiche im Kontext humanitĂ€rer Arbeit besonders. Die in den Fallstudien gewonnenen Erkenntnisse werden abschließend vor dem Hintergrund von Vor- und Nachteilen von Radardaten, sowie hinsichtlich zukĂŒnftiger Entwicklungen und Herausforderungen diskutiert. So versprechen neue Radarsatelliten und technologische Fortschritte im Bereich der Datenverarbeitung großes Potenzial. Gleichzeitig unterstreicht die Arbeit einen großen Bedarf an weiterer Forschung, sowie an Austausch und Zusammenarbeit zwischen Wissenschaftlern, Anwendern und EinsatzkrĂ€ften vor Ort. Die vorliegende Arbeit ist die erste umfassende Darstellung und wissenschaftliche Aufarbeitung dieses Themenkomplexes. Sie soll als Grundstein fĂŒr eine langfristige Integration von Radardaten in operationelle AblĂ€ufe dienen, um humanitĂ€re Arbeit zu unterstĂŒtzen und eine wirksame Hilfe fĂŒr Menschen in Not ermöglichen
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