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2010 IEEE International Conference on Technologies for Homeland Security (HST)最新文献

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Advancements in simulations for active shooter & force-on-force engagements 主动射击和武力交战模拟的进展
Pub Date : 2010-12-03 DOI: 10.1109/THS.2010.5655072
Joseph L. Smith, N. A. Renfroe, L.E. Long, Kenneth W. Herrle, Mary M. Scheidt
Recent terrorist attacks in Mumbai and tragedies such as the Virginia Tech massacre underscore the need to understand and train for active shooter and force-on-force engagements with adversary forces. Terrorist organizations are known to possess the intent and capability to attack highly secure critical facilities such as nuclear storage and power facilities as well as schools, stadiums, and other public gathering places. Advanced agent-based modeling and simulation have evolved to enable virtual investigation of such scenarios. This paper offers insight into the benefits and use of advanced science-based tools to investigate these scenarios in-depth. Virtual simulations provide cost-effective, valuable insight into scenarios that cannot be realistically played out in real-world exercises. Included are discussions on people movement, evacuations, gaming scenarios, and other applications using this advanced technology.
最近发生在孟买的恐怖袭击和弗吉尼亚理工大学大屠杀等悲剧凸显了了解和训练现役枪手以及与敌对部队进行武力对抗的必要性。据悉,恐怖组织不仅有攻击学校、体育场馆等公共集会场所的意图和能力,而且还能攻击核仓库、电力设施等高度安全的关键设施。先进的基于代理的建模和仿真已经发展到能够对这些场景进行虚拟调查。本文提供了对先进的基于科学的工具的好处和使用的见解,以深入研究这些场景。虚拟模拟提供了具有成本效益的,有价值的洞察场景,不能在现实世界的练习中现实发挥出来。包括对人员移动、疏散、游戏场景和使用这种先进技术的其他应用的讨论。
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引用次数: 4
Compact, inexpensive, high-energy-resolution, room-temperature-operated, semiconductor gamma-ray detectors for isotope identification 紧凑,廉价,高能量分辨率,室温操作,用于同位素鉴定的半导体伽马射线探测器
Pub Date : 2010-12-03 DOI: 10.1109/THS.2010.5654940
P. Ugorowski, A. Ariesanti, D. Mcgregor, A. Kargar
Many homeland security applications involving gamma-ray detectors require energy resolution of better than 1%–2% for isotope identification. Existing High-Purity germanium (HPGe) detectors have the needed energy resolution but suffer from large size and the need for liquid-nitrogen or electromechanical cooling. Compact, inexpensive, room-temperature-operated devices are needed for handheld monitors, portal monitors, and monitors for nuclear materials in storage or transit. At Kansas State University, CdZnTe (CZT) gamma-ray detectors with better than 1% energy resolution have been developed. Mercuric Iodide detectors with better than 2% energy resolution have also been developed. Both devices make use of the Frisch-collar technology developed at KSU, and the quoted results were achieved without electronic corrections. The goal of the research at KSU is to maximize the energy resolution of the signals coming from the detectors, before any electronic corrections are made. The characteristics of these small, inexpensive devices will be discussed.
许多涉及伽玛射线探测器的国土安全应用要求同位素识别的能量分辨率优于1%-2%。现有的高纯度锗(HPGe)探测器具有所需的能量分辨率,但尺寸较大,需要液氮或机电冷却。手持式监测仪、门户监测仪和储存或运输中的核材料监测仪需要小巧、廉价、室温操作的设备。在堪萨斯州立大学,已经开发出能量分辨率超过1%的CdZnTe (CZT)伽马射线探测器。能量分辨率高于2%的碘化汞探测器也已研制成功。这两种设备都使用了KSU开发的Frisch-collar技术,并且引用的结果无需电子校正即可实现。KSU的研究目标是在进行任何电子校正之前,最大限度地提高来自探测器的信号的能量分辨率。我们将讨论这些小型、廉价设备的特点。
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引用次数: 0
Towards integrity measurement in virtualized environments — A hypervisor based sensory integrity measurement architecture (SIMA) 迈向虚拟化环境中的完整性测量——基于管理程序的感官完整性测量体系结构(SIMA)
Pub Date : 2010-12-03 DOI: 10.1109/THS.2010.5655084
Björn Stelte, Robert Koch, M. Ullmann
Today, the security of virtualization is based on the isolation properties provided by the hypervisor. This security-by-isolation concept depends on the high integrity of each virtual system as well as a trustworthy host system. Erroneous implementation or conceptional failure limits this isolation mechanism. Today the strength of the isolation can only be guaranteed after a boot operation. Missing is a permanent surveillance of the separation mechanisms during the system operation. That is the main subject of our proposal. We suggest the integration of a sensory integrity measurement architecture (SIMA) for this purpose. SIMA consists of trusted virtual sensors and an analyzing sink to monitor the integrity of the system permanently during operation.
目前,虚拟化的安全性基于hypervisor提供的隔离属性。这种隔离安全概念依赖于每个虚拟系统的高度完整性以及值得信赖的主机系统。错误的实现或概念上的失败限制了这种隔离机制。现在,隔离的强度只能在引导操作之后才能得到保证。缺失是一种永久监督制度运行期间的分离机制。这是我们建议的主题。我们建议为此目的集成感官完整性测量架构(SIMA)。SIMA由可信虚拟传感器和分析接收器组成,用于在运行过程中永久监控系统的完整性。
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引用次数: 12
Augmenting the DGPS broadcast with emergency information — Potential coverage and data rate 用紧急信息扩大DGPS广播——潜在的覆盖范围和数据速率
Pub Date : 2010-12-03 DOI: 10.1109/THS.2010.5655069
R. Hartnett, P. Swaszek, K. Gross
Differential GPS, or DGPS, is a medium frequency (MF) radio system that is used worldwide for the broadcast of differential corrections to users to improve the accuracy and integrity of the GPS. This communications system works by digitally modulating radio signals broadcast from a network of marine radio beacons operating in the medium frequency 283.5–325 kHz radio band. The modulation scheme called Minimum Shift Keying (MSK) is used to transmit the correction data at typical data rates of between 50 and 200 bits per second (bps). The U.S. Coast Guard has pioneered the use of MSK for transmission of differential GPS corrections, and has provided over ten years of worthy service with the system. The U.S. DGPS installation is nation-wide, with over 85 transmitters providing double coverage to most of the CONUS. Today, the Coast Guard is re-examining the role of DGPS/radio beacons with the goal of optimizing service for the next ten years. Here we suggest that the DGPS system has significant capability for use beyond that of its current mandate; specifically, there exists the potential for concurrently transmitting a second information-bearing signal on the beacon signal. We believe that this simultaneous transmission of the current navigation correction information (the primary channel) and additional messaging (perhaps DHS emergency messaging or other relevant information) could be accomplished at very minimal cost, and with minimal impact on current users, using a technique we have called phase trellis overlay. This idea has been proposed in earlier work by these authors; several variations of the approach have been designed, analyzed, and tested with results presented at Institute of Navigation conferences. These previous presentations have focused on the technical details of the method; for example, design of the new communications signals, bandwidth of the resulting signal relative to the DGPS system requirements, implementation concerns at the transmitter, and its impact on legacy user performance were analyzed. Here we summarize these earlier results within the context of a potential DHS emergency messaging system. We re-examine the technical details of this approach as a simply parameterized FM (frequency modulation) overlay which yields mathematically tractable performance results. Sample results of this analysis highlight the tradeoffs between coverage expected for legacy users and coverage expected for the new DHS messaging system.
差分GPS或DGPS是一种中频(MF)无线电系统,在世界范围内用于向用户广播差分校正,以提高GPS的精度和完整性。该通信系统的工作原理是通过数字调制从海上无线电信标网络广播的无线电信号,该网络工作在中频283.5-325千赫无线电频段。称为最小移位键控(MSK)的调制方案用于以50至200比特/秒(bps)的典型数据速率传输校正数据。美国海岸警卫队率先使用MSK传输差分GPS校正,并提供了超过十年的有价值的服务与系统。美国的DGPS系统在全国范围内安装,超过85个发射机为大多数CONUS提供双重覆盖。今天,海岸警卫队正在重新审视DGPS/无线电信标的作用,目标是在未来十年优化服务。在此,我们建议,发展中全球定位系统在其目前的任务范围之外具有很大的使用能力;具体地说,存在在信标信号上同时发送第二承载信息信号的可能性。我们认为,当前导航校正信息(主信道)和附加消息(可能是国土安全部紧急消息或其他相关信息)的同时传输可以以非常低的成本完成,并且对当前用户的影响最小,使用我们称为相位网格覆盖的技术。这些作者在早期的工作中提出了这个想法;该方法的几种变体已经被设计、分析和测试,并在导航学会会议上发表了结果。前面的介绍集中在该方法的技术细节上;例如,分析了新通信信号的设计、与DGPS系统要求相关的产生信号的带宽、发射机的实现问题及其对传统用户性能的影响。在这里,我们在潜在的国土安全部紧急消息系统的背景下总结这些早期的结果。我们重新审视了这种方法的技术细节,作为一个简单的参数化FM(频率调制)覆盖,它产生数学上可处理的性能结果。该分析的示例结果突出了传统用户的预期覆盖率与新DHS消息传递系统的预期覆盖率之间的权衡。
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引用次数: 1
A commercial approach to successful persistent radar surveillance of sea, air and land along the northern border 这是一种商业方法,可以成功地对北部边境的海、空、陆进行持续雷达监视
Pub Date : 2010-12-03 DOI: 10.1109/THS.2010.5655045
T. Nohara
The benefits of a commercial approach to the deployment of radar surveillance along the Great Lakes St. Lawrence Seaway System (GLSLSS) is discussed. Surveillance solutions must be multi-mission suitable, scalable, flexible, maintainable, upgradeable, interoperable, shareable, and affordable. This flexibility is fundamental to successfully leveraging tomorrow, investments made today in order to keep up with changing threats and technology. Not only can homeland security surveillance solutions benefit by leveraging commercial technologies, but non-sensitive target information, can drive significant human and commercial benefits. The paper presents a radar surveillance framework whose network architecture, COTS components, specially designed components and open interfaces are discussed. The modular nature of the framework includes software definable algorithms for acquisition of sea, air or land targets of interest, built-in integration of target information that fully scales in support of wide-area surveillance, and open interfaces in support of new, multi-mission situational awareness applications.
讨论了沿大湖区圣劳伦斯海道系统(GLSLSS)部署雷达监视的商业方法的好处。监控解决方案必须适合多任务、可扩展、灵活、可维护、可升级、可互操作、可共享且价格合理。这种灵活性是成功利用未来的基础,今天的投资是为了跟上不断变化的威胁和技术。利用商业技术不仅可以使国土安全监视解决方案受益,而且非敏感目标信息也可以为人类和商业带来重大利益。提出了一种雷达监控框架,讨论了该框架的网络结构、COTS组件、特殊设计组件和开放接口。该框架的模块化特性包括用于获取感兴趣的海上、空中或陆地目标的软件可定义算法,支持广域监视的内置目标信息集成,以及支持新的多任务态势感知应用的开放接口。
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引用次数: 14
FTIR-based air monitoring system with improved sensitivity and selectivity for Homeland Security applications 基于ftir的空气监测系统,具有更高的灵敏度和选择性,用于国土安全应用
Pub Date : 2010-12-03 DOI: 10.1109/THS.2010.5654986
C. M. Phillips
This presentation describes the use of an FTIR (Fourier Transform Infrared)-based spectrometer designed to continuously monitor ambient air for the presence of chemical warfare agents (CWAs) and toxic industrial chemicals (TICs). The necessity of a reliable system capable of quickly and accurately detecting very low levels of CWAs and TICs while simultaneously retaining a negligible false alarm rate will be explored. Technological advancements in FTIR sensing have reduced noise while increasing selectivity and speed of detection. The hardware and algorithms described here will explain why this FTIR system is very effective for the simultaneous detection and speciation of a wide variety of toxic compounds at ppb concentrations. Analytical test data will be reviewed demonstrating the system's sensitivity to and selectivity for specific CWAs and TICs. These results include analyses of data from live agent testing for the determination of detection limits, immunity to interferences, detection times, and false alarm rates. Sensing systems such as this are critical for effective chemical hazard identification which is directly relevant to the Homeland Security community.
本报告介绍了基于FTIR(傅里叶变换红外)的光谱仪的使用,该光谱仪旨在连续监测环境空气中化学战剂(CWAs)和有毒工业化学品(tic)的存在。一个可靠的系统的必要性,能够快速和准确地检测非常低水平的cwa和tic,同时保持一个可忽略不计的误报率将被探讨。FTIR传感技术的进步降低了噪声,同时提高了检测的选择性和速度。这里描述的硬件和算法将解释为什么这个FTIR系统是非常有效的同时检测和多种有毒化合物在ppb浓度形成。将回顾分析测试数据,证明系统对特定CWAs和tic的敏感性和选择性。这些结果包括对活剂测试数据的分析,以确定检测限、对干扰的免疫力、检测时间和误报率。诸如此类的传感系统对于有效识别与国土安全社区直接相关的化学品危害至关重要。
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引用次数: 0
Leveraging public wireless communication infrastructures for UAV-based sensor networks 利用基于无人机的传感器网络的公共无线通信基础设施
Pub Date : 2010-12-03 DOI: 10.1109/THS.2010.5655064
K. Daniel, S. Rohde, C. Wietfeld
Unmanned Aerial Vehicles (UAV) enable the in-depth reconnaissance and surveillance of major incidents. Uncontrolled emissions of liquid or gaseous contaminants in cases of volcanic eruptions, large fires, industrial incidents or terrorist attacks can be analyzed by utilizing UAVs (cf. Fig. 1). Hence, the use of cognitive Unmanned Aerial Systems (UAS) for distributing mobile sensors in incident areas is in general a significant value add for remote sensing, reconnaissance, surveillance and communication purposes [1][2]. Police departments, fire brigades and other homeland security organizations will have access to medium and small size UAVs in the near future and will integrate UAVs in their work flow. In this paper we are focusing on the civilian concepts of operations (CONOPS) for UAVs, in particular for small-scale UAVs. We present viable concepts on system level for leveraging public wireless communication networks for UAV-based sensor networks with respect to existing constraints and user requirements.
无人机(UAV)能够对重大事件进行深入侦察和监视。在火山爆发、大火、工业事故或恐怖袭击的情况下,液体或气体污染物的不受控制的排放可以通过利用无人机进行分析(参见图1)。因此,使用认知无人机系统(UAS)在事故区域分布移动传感器,通常是遥感、侦察、监视和通信目的的重要增值[1][2]。在不久的将来,警察部门、消防队和其他国土安全组织将可以使用中小型无人机,并将无人机整合到他们的工作流程中。在本文中,我们关注的是无人机的民用作战概念(CONOPS),特别是小型无人机。我们在系统层面提出了可行的概念,利用基于无人机的传感器网络的公共无线通信网络,考虑到现有的约束和用户需求。
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引用次数: 29
Evaluating information assurance performance and the impact of data characteristics 评估信息保障性能和数据特征的影响
Pub Date : 2010-12-03 DOI: 10.1109/THS.2010.5655105
John DeVale, K. Tan
Research and development of new information assurance techniques and technologies is ongoing and varied. Each new proposal and technique arrives with great promise and anticipated success as research teams struggle to develop new and innovative responses to emerging threats. Unfortunately, these techniques frequently fall short of expectation when deployed due to difficulties with false alarms, trouble operating in a non-idealized or new domain, or flexibility limiting assumptions which are only valid with specific input sets. We believe these failures are due to fundamental problems with the experimental method for evaluating the effectiveness of new ideas and techniques. This work explores the effect of a poorly understood data synthesis process on the evaluation of IA devices. The point of an evaluation is to independently determine what a detector can and cannot detect, i.e. the metric of detection. This can only be done when the data contains carefully controlled ground truth. We broadly define the term “similarity class” to facilitate discussion about the different ways data (and more specifically test data) can be similar, and use these ideas to illustrate the pre-requisites for correct evaluation of anomaly detectors. We focus on how anomaly detectors function and should be evaluated in 2 specific domains with disparate system architectures and data: a sensor and data transport network for air frame tracking and display, and a deep space mission spacecraft command link. Finally, we present empirical evidence illustrating the effectiveness of our approach in these domains, and introduce the entropy of a time series sensor as a critical measure of data similarity for test data in these domains.
新的信息保障技术和技术的研究和发展正在进行和多样化。每一个新的建议和技术都带来了巨大的希望和预期的成功,因为研究团队努力开发新的和创新的应对新出现的威胁的方法。不幸的是,这些技术在部署时经常达不到预期的效果,因为存在假警报的困难,在非理想化或新领域中操作困难,或者灵活性限制了仅对特定输入集有效的假设。我们认为,这些失败是由于评估新思想和新技术有效性的实验方法存在根本问题。这项工作探讨了对IA设备评估的一个知之甚少的数据合成过程的影响。评估的重点是独立地确定检测器能检测到什么,不能检测到什么,即检测度量。只有当数据包含精心控制的真实情况时,才能做到这一点。我们广义地定义了术语“相似类”,以便于讨论数据(更具体地说是测试数据)可以相似的不同方式,并使用这些思想来说明正确评估异常检测器的先决条件。我们专注于异常探测器如何在两个具有不同系统架构和数据的特定领域中发挥作用并应进行评估:用于空中框架跟踪和显示的传感器和数据传输网络,以及深空任务航天器指挥链路。最后,我们提出了经验证据,说明了我们的方法在这些领域的有效性,并引入了时间序列传感器的熵作为这些领域中测试数据的数据相似性的关键度量。
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引用次数: 3
Unified Incident Command and Decision Support (UICDS) pilots take information sharing to the real world of incident management: A department of homeland security initiative for information sharing among commercial, government, academic, and volunteer technology providers to support the national inci 统一事件指挥和决策支持(UICDS)试点将信息共享带入事件管理的现实世界:国土安全部门的一项倡议,用于在商业、政府、学术和志愿技术提供商之间共享信息,以支持国家事件
Pub Date : 2010-12-03 DOI: 10.1109/THS.2010.5654976
J. Morentz
The Unified Incident Command and Decision Support (UICDS) middleware has moved through its architecture design phase, the development of a reference implementation, and now is engaged in a major pilot under the sponsorship of the Department of Homeland Security, Directorate of Science and Technology, Infrastructure and Geophysical Division. The current project will deploy pilots of the middleware in more than 20 states and approximately 100 pilot locations in order to assess the utility of the design for federal, state, and local agency use. UICDS enables ubiquitous information exchange among existing government and commercial incident management technologies for the purpose of creating one-to-many, incident-specific, agreement-based information sharing among a wide range of technologies used in incident management. This paper describes the current state of the architecture and reference implementation and offers an invitation to organization in both the government and private sectors to participate in pilots.
统一事件指挥和决策支持(UICDS)中间件已经通过了其架构设计阶段,开发了参考实现,现在正在国土安全部、科学技术理事会、基础设施和地球物理部门的赞助下进行主要试点。当前的项目将在20多个州和大约100个试点地点部署中间件试点,以便评估该设计对联邦、州和地方机构使用的效用。UICDS支持在现有的政府和商业事件管理技术之间进行无处不在的信息交换,目的是在事件管理中使用的各种技术之间创建一对多的、特定于事件的、基于协议的信息共享。本文描述了体系结构和参考实现的当前状态,并邀请政府和私营部门的组织参与试点。
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引用次数: 0
3D CT baggage image enhancement based on order statistic decomposition 基于阶统计量分解的三维CT行李图像增强
Pub Date : 2010-11-01 DOI: 10.1109/THS.2010.5655042
Yicong Zhou, K. Panetta, S. Agaian
Baggage scanning systems are widely used at security checkpoint in airports for homeland security applications. However, the CT baggage images suffer from background noise and the presence of low contrast. To address this problem, this paper introduces a new 3D CT baggage image enhancement algorithm using order statistic decomposition. Computer simulation and comparisons are given to demonstrate the excellent enhancement performance of the presented new algorithm and its capability of significantly improving visual quality of CT images while removing the background noise.
行李扫描系统在机场安检处广泛应用于国土安全。然而,CT行李图像受到背景噪声和低对比度的影响。为了解决这一问题,本文提出了一种新的基于阶统计量分解的三维CT行李图像增强算法。计算机仿真和对比结果表明,该算法具有良好的增强性能,能够在去除背景噪声的同时显著提高CT图像的视觉质量。
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引用次数: 10
期刊
2010 IEEE International Conference on Technologies for Homeland Security (HST)
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