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2014 IEEE 16th International Conference on e-Health Networking, Applications and Services (Healthcom)最新文献

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A global methodology for modeling and simulating medical systems 建模和模拟医疗系统的全球方法
C. El-Gemayel, F. Jumel, N. Abouchi, J. Constantin, Doumit Zaouk
A mathematical representation of patient or device is presented by a number of variables which are defined to represent the inputs, outputs and a set of equations describing the interaction of these variables. This paper proposes a global methodology for modeling and simulation medical systems and human body, in order to analyze the performance and the quality of services of all system components. Beginning by defining a new prototype of a global and flexible architecture of mathematical model of human body, that is able to contain required data. Then, describing the simulations representation, by mentions in details the core simulator components, analyzer, and the quality of services indicators. Simulation of mathematical models provides useful tools for diagnosis and analyzing the interactions between efficacy, therapies, side-effects, and outcomes. This will help to better understand the human organism control, to analyze experimental data, to identify and quantify relevant biophysical parameters and to design clinical trials.
病人或设备的数学表示是由许多变量来表示的,这些变量被定义为表示输入、输出和一组描述这些变量相互作用的方程。本文提出了一种对医疗系统和人体进行建模和仿真的全局方法,以分析系统各组成部分的性能和服务质量。首先定义一个新的原型,一个全球性的和灵活的人体数学模型的架构,能够包含所需的数据。然后,通过详细介绍模拟器的核心组件、分析器和服务质量指标,描述了仿真的表示。数学模型的模拟为诊断和分析疗效、治疗、副作用和结果之间的相互作用提供了有用的工具。这将有助于更好地理解人体有机体控制,分析实验数据,识别和量化相关的生物物理参数,并设计临床试验。
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引用次数: 0
Health sensing by wearable sensors and mobile phones: A survey 可穿戴式传感器和移动电话的健康感知:一项调查
Lei Song, Yongcai Wang, Jijiang Yang, Jianqiang Li
With the global trend of population aging in industrialized countries, efficient information and communication technologies (ICT) for aiding elders or patients' healthcare have attracted great research attentions. Among these technologies, health state sensing by wearable sensors and mobile phones is an important foundation. It monitors the real-time body states; stores, or sends the result to remote family members or doctors. In this way, it can either help people to pay more attention to the overlooked phenomenon, such as the clue of dangerous disease, or help people to issue panic alert when emergency happens. There are many critical issues in health sensing. First, the sensors must be non-intrusive to people's comfort and safety, while providing good accuracy. At the same time, because of being worn by people, numerous noises posed by body motions must be efficiently processed for reducing false alarming. At last, different health or decease signals generally require different sensing technologies and instrument. To tease out the technology advantages that address these challenges and diversities, this paper presented a survey on the state of the art of health sensing technologies using body sensor networks and mobile phones. It classify related works by their application goals, including i) fall detection, ii) gait analyzing, iii) activity qualification, iv) heart state sensing, and v) sleep sensing. It also conducts summary and comparison of related sensing systems and algorithms, to reveal the development lines in each subarea.
随着全球人口老龄化的趋势在工业化国家,有效信息和通讯技术(ICT)帮助老人或病人的医疗吸引了巨大的研究关注。在这些技术中,健康状态感知的可穿戴传感器和移动电话是一个重要的基础。它监视实时身体状态;储存,或将结果发送给远程家庭成员或医生。这样,它既可以帮助人们更加关注被忽视的现象,如危险疾病的线索,也可以帮助人们在紧急情况发生时发出恐慌警报。有许多关键问题医疗传感。首先,传感器必须不影响人们的舒适和安全,同时提供良好的准确性。同时,因为被人穿的,大量的噪音造成的身体动作必须有效地减少虚假报警处理。最后,不同的健康或者死亡信号通常需要不同的传感技术和仪器。梳理出技术优势,解决这些挑战和多样性,本文提出了一个艺术的健康状况调查传感技术使用身体传感器网络和手机。它分类相关的应用程序的目标,包括我)检测,2)步态分析、iii)活动资格,(四)心脏状态传感和传感v)睡觉。它也进行总结和比较相关的传感系统和算法,揭示了在每个分区开发线。
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引用次数: 29
Security aspects of e-Health systems migration to the cloud 电子医疗系统向云迁移的安全方面
A. Michalas, Nicolae Paladi, C. Gehrmann
As adoption of e-health solutions advances, new computing paradigms - such as cloud computing - bring the potential to improve efficiency in managing medical health records and help reduce costs. However, these opportunities introduce new security risks which can not be ignored. Based on our experience with deploying part of the Swedish electronic health records management system in an infrastructure cloud, we make an overview of major requirements that must be considered when migrating e-health systems to the cloud. Furthermore, we describe in-depth a new attack vector inherent to cloud deployments and present a novel data confidentiality and integrity protection mechanism for infrastructure clouds. This contribution aims to encourage exchange of best practices and lessons learned in migrating public e-health systems to the cloud.
随着采用电子保健解决方案的进展,新的计算范式(如云计算)带来了提高医疗健康记录管理效率和帮助降低成本的潜力。然而,这些机会也带来了不可忽视的新的安全风险。根据我们在基础设施云中部署部分瑞典电子健康记录管理系统的经验,我们概述了将电子健康系统迁移到云时必须考虑的主要需求。此外,我们深入描述了云部署固有的新攻击向量,并提出了一种新的基础设施云数据机密性和完整性保护机制。这项贡献旨在鼓励交流将公共电子卫生系统迁移到云的最佳做法和经验教训。
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引用次数: 40
Using Bayesian networks to improve the decision-making process in public health systems 利用贝叶斯网络改进公共卫生系统的决策过程
Germanno Teles, C. Oliveira, R. Braga, L. O. M. Andrade, Ronaldo F. Ramos, Paulo Cunha, Mauro Oliveira
This paper proposes the use of Bayesian networks to support the decision-making process in public health systems. In particular, this paper presents LARIISA_Bay, a new component based on Bayesian networks that works together with LARIISA, a context-aware platform to support applications in public health systems. The main goal of the proposed component is to assist teams of health specialists in order to better diagnose diseases through data collected from users of LARIISA. As a case study, we focus on scenarios of dengue fever disease. We classify dengue cases into one of the following levels: normal, grave or emergency. Based on this classification, teams of health specialists can accurately make decisions, for example, to alert a health care agent to visit locations with a high incidence of the disease, to send a team of health specialists when a dengue emergency case has occurred, as well as give technical instructions on how to deal with specific cases. We present a prototype of LARIISA_Bay as well as the corresponding interfaces to support the interactions with the component. We compare the obtained results with real diagnosis of general practitioners. The results presented show the efficiency of the proposed approach.
本文提出使用贝叶斯网络来支持公共卫生系统的决策过程。特别地,本文介绍了LARIISA_Bay,这是一个基于贝叶斯网络的新组件,它与LARIISA一起工作,LARIISA是一个支持公共卫生系统应用的上下文感知平台。拟议组成部分的主要目标是协助保健专家小组,以便通过从LARIISA用户收集的数据更好地诊断疾病。作为一个案例研究,我们侧重于登革热疾病的情景。我们将登革热病例分为以下级别之一:正常、严重或紧急情况。根据这种分类,卫生专家小组可以准确地作出决定,例如,提醒卫生保健人员前往疾病高发地点,在发生登革热紧急病例时派遣卫生专家小组,以及就如何处理具体病例提供技术指导。我们提出了LARIISA_Bay的原型,以及相应的接口来支持与组件的交互。我们将所得结果与全科医生的真实诊断结果进行比较。实验结果表明了该方法的有效性。
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引用次数: 4
FPGA based preliminary CAD for kidney on IoT enabled portable ultrasound imaging system 基于FPGA的物联网便携式超声成像系统肾脏初步CAD
Konda Divya Krishna, V. Akkala, R. Bharath, P. Rajalakshmi, M. Mateen
Ultrasound imaging has been widely used for preliminary diagnosis as it is non-invasive and has good scope for the doctors to analyze many diseases. Lack of trained sonographers make ultrasound imaging diagnosis time consuming to detect any abnormality. Sometimes the problem cannot exactly be identified which may lead to error in diagnosis. Hence in this paper we present computer aided automatic detection of abnormality in kidney on the ultrasound system itself, to decrease the time for reports and not to depend on the sonographer. We classified the kidney as normal and abnormal case. Segment the kidney region and extract Intensity histogram features and Haralick features from Gray Level Cooccurnace Matrix (GLCM). These features are calculated for a set of large data containing both normal and abnormal cases. Abnormal case includes kidney stone, cyst and bacterial infection. Standard deviation for each parameter is observed, considered only those features with less deviation and implemented on FPGA Kintex board. If the range of mean value is 1.08 to 1.336, skewness is 2.882 to 7.708, Kurtosis is 1.06 to 71.152, Cluster Shade is 72 to 243, Homogeneity is 0.993 to 0.998, the observed kidney image is normal otherwise abnormal.
超声成像因其无创性和对多种疾病的分析范围广而被广泛应用于初步诊断。缺乏训练有素的超声检查人员使得超声成像诊断费时,难以发现任何异常。有时问题不能准确地识别,这可能导致诊断错误。因此,在本文中,我们提出了计算机辅助自动检测肾脏异常的超声系统本身,以减少报告的时间,而不是依赖于超声医师。我们将肾脏分为正常和异常两类。对肾脏区域进行分割,从灰度共并发矩阵(GLCM)中提取灰度直方图特征和哈拉利克特征。这些特征是针对包含正常和异常情况的一组大数据计算的。异常情况包括肾结石、囊肿和细菌感染。观察各参数的标准差,只考虑偏差较小的特征,并在FPGA Kintex板上实现。如果平均值为1.08 ~ 1.336,偏度为2.882 ~ 7.708,峰度为1.06 ~ 71.152,聚类阴影为72 ~ 243,均匀性为0.993 ~ 0.998,则观察到的肾脏图像正常,否则异常。
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引用次数: 20
A framework for customizing the mobile and remote monitoring of patients with chronic diseases 定制慢性病患者移动和远程监测的框架
Vitor Pinheiro de Almeida, M. Endler, E. Haeusler
We present a means of generating a mobile clientserver application that enables customized remote monitoring of patients with chronic diseases. The customization is based on parameters and formal descriptions of: type of chronic disease, patient preferences, the monitoring procedure required by the doctor, prescribed medication and information about the current context (i.e., environment) of the patient, obtained from sensors. Based on this, the system determines which pieces of information should be regularly obtained from the patient through questionnaires and/or sensors of the smart phone and sensors connected to it. Relevant information are the ones that help to detect possible changes in the patient's health condition and the monitoring process of a patient by the doctor. The medical treatment and the kind of chronic disease will define the set of data to be collected. It should be stressed that the goal is not to support automatic medical diagnosis, but only to provide means for physicians to obtain updated information about their patients, so as to allow remote monitoring of patients.
我们提出了一种生成移动客户端服务器应用程序的方法,该应用程序可以对慢性病患者进行定制的远程监控。定制基于以下参数和正式描述:慢性病类型、患者偏好、医生要求的监测程序、处方药物以及从传感器获得的有关患者当前环境(即环境)的信息。在此基础上,系统通过问卷和/或智能手机的传感器以及与其相连的传感器,确定应该定期从患者那里获取哪些信息。相关信息是那些有助于检测患者健康状况可能发生的变化以及医生对患者的监测过程的信息。医疗和慢性病的种类将定义要收集的数据集。应该强调的是,目标不是支持自动医疗诊断,而只是为医生提供获取患者最新信息的手段,以便对患者进行远程监控。
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引用次数: 1
Experimental analysis for optimal separation between sensor and base station in WBANs 无线宽带网络中传感器与基站最佳分离的实验分析
Z. Aziz, U. Qureshi, F. Shaikh, Nafeesa Bohra, Abdelmajid Khelil, Emad A. Felemban
The reliable delivery of data is important in designing Wireless Body Area Networks (WBANs) employed for critical applications such as e-health. In order to communicate the data reliably from the sensors to the base station, the data transmission technique (star or multi-hop) and the transmission power plays a very important role. As transmission power is increased, transmission distance is increased and the data can be sent reliably to far nodes. However, in WBANs, there is always a limit to increase the transmission power. Keeping the power level at some low threshold and increasing the distance between a sensor and the base station results in reduced received power which ultimately degrades the data transmission. Thus, for star data transmission technique, the point to ponder is the maximum separation between a sensor and the base station to transmit the data reliably. The reliability in WBANs can be analyzed through different parameters such as received power, received signal strength indicator, link quality indicator, packet error rate, packet reception rate, etc. This paper aims at performing a reliability analysis for WBAN through the mentioned parameters to suggest an optimal sensor/base station separation using star data transmission technique. This analysis is performed employing the default routing protocol in TinyOS called the Collection Tree Protocol. Our study considers different sensor placements on different parts of the body as well as different angular offsets between sensor and base station.
在设计用于电子医疗等关键应用的无线体域网络(wban)时,可靠的数据传输非常重要。为了使传感器与基站之间的数据可靠地通信,数据传输技术(星型或多跳)和传输功率起着非常重要的作用。随着传输功率的增大,传输距离增大,数据可以可靠地发送到远端节点。然而,在无线宽带网络中,传输功率的增加总是有限制的。将功率水平保持在某个较低的阈值并增加传感器与基站之间的距离会导致接收功率降低,从而最终降低数据传输。因此,对于恒星数据传输技术来说,需要考虑的是传感器与基站之间的最大距离,以保证数据的可靠传输。wban的可靠性可以通过接收功率、接收信号强度指标、链路质量指标、包错误率、包接收率等参数来分析。本文旨在通过上述参数对无线宽带网络进行可靠性分析,提出采用星型数据传输技术实现传感器/基站分离的最佳方案。该分析是使用TinyOS中称为集合树协议的默认路由协议执行的。我们的研究考虑了传感器在身体不同部位的不同位置,以及传感器与基站之间的不同角度偏移。
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引用次数: 3
A three-dimensional network coverage optimization algorithm in healthcare system 医疗卫生系统三维网络覆盖优化算法
Xiaoshuang Liu, Guixia Kang, Ningbo Zhang, Bingning Zhu, Congcong Li, Yi Chai, Yuncheng Liu
This paper presents a healthcare monitoring architecture coupled with a wireless sensor network and wearable sensor systems which monitor chronic patients in nursing house or the elderly in their home. With this architecture, we investigate how sensor nodes are deployed in the three-dimension (3D) monitoring region to achieve uniform distribution, which directly determines the Quality of Service (QoS). Based on the existing two-dimension (2D) coverage-enhancing algorithms for wireless sensor networks, a 3D sensing model and a coverage optimization algorithm are proposed in this paper. Firstly, an intelligent optimization algorithm is utilized to adjust the position of sensor nodes. Then, we pick out the redundant nodes with the set coverage algorithm, and move them into the uncovered area to increase the coverage ratio. The simulation results show that the coverage ratio increased by the coverage optimization algorithm compared with the other coverage algorithms.
本文提出了一种结合无线传感器网络和可穿戴传感器系统的医疗监测架构,用于监测养老院的慢性患者或家中的老年人。利用这种架构,我们研究了传感器节点如何部署在三维(3D)监控区域以实现均匀分布,这直接决定了服务质量(QoS)。在现有无线传感器网络二维覆盖增强算法的基础上,提出了一种无线传感器网络三维感知模型和覆盖优化算法。首先,利用智能优化算法调整传感器节点的位置;然后,我们用集合覆盖算法挑选出冗余节点,并将其移动到未覆盖区域,以提高覆盖率。仿真结果表明,与其他覆盖算法相比,覆盖优化算法的覆盖率有所提高。
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引用次数: 7
A novel vectorcardiogram system 一种新型矢量心电图系统
G. Arrobo, Calvin A. Perumalla, Yang Liu, T. Ketterl, R. Gitlin, P. Fabri
This paper presents the proof-of-concept investigation for a miniaturized vectorcardiogram [VCG] system for ambulatory on-body applications that continuously monitors the electrical activity of the heart in three dimensions. We investigate the minimum distance between a pair of leads in the X, Y and Z axes such that the signals are distinguishable from the noise. The target dimensions for our VCG are 3×3×2 cm and, based on our preliminary results, it is possible to achieve these dimensions. The next step in our research is to build the miniaturized VCG system that includes processing, learning and communication capabilities.
本文介绍了一种用于动态身体应用的小型化矢量心电图[VCG]系统的概念验证研究,该系统可以在三维上连续监测心脏的电活动。我们研究了一对引线在X, Y和Z轴之间的最小距离,使信号与噪声区分开来。我们VCG的目标尺寸为3×3×2 cm,根据我们的初步结果,可以实现这些尺寸。我们下一步的研究是构建具有处理、学习和通信功能的微型化VCG系统。
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引用次数: 5
eHealth-as-a-Service (eHaaS): The industrialisation of health informatics, a practical approach 电子健康即服务(eHaaS):健康信息学的工业化,一种实用的方法
A. Black, T. Sahama
With the introduction of the Personally Controlled Health Record (PCEHR), the Australian public is being asked to accept greater responsibility for their healthcare. Although well designed, constructed and intentioned, policy and privacy concerns have resulted in an eHealth model that may impact future health information sharing requirements. Thus an opportunity to transform the beleaguered Australian PCEHR into a sustainable on-demand technology consumption model for patient safety must be explored further. Moreover, the current clerical focus of healthcare practitioners must be renegotiated to establish a shared knowledge creation landscape of action for safer patient interventions. To achieve this potential however requires a platform that will facilitate efficient and trusted unification of all health information available in real-time across the continuum of care. As a conceptual paper, the goal of the authors is to deliver insights into the antecedents of usage influencing superior patient outcomes within an eHealth-as-a-Service framework. To achieve this, the paper attempts to distil key concepts and identify common themes drawn from a preliminary literature review of eHealth and cloud computing concepts, specifically cloud service orchestration to establish a conceptual framework and a research agenda. Initial findings support the authors' view that an eHealth-as-a-Service (eHaaS) construct will serve as a disruptive paradigm shift in the aggregation and transformation of health information for use as real-world knowledge in patient care scenarios. Moreover, the strategic value of extending the community Health Record Bank (HRB) model lies in the ability to automatically draw on a multitude of relevant data repositories and sources to create a single source of practice based evidence and to engage market forces to create financial sustainability.
随着个人控制健康记录(PCEHR)的引入,澳大利亚公众被要求对他们的医疗保健承担更大的责任。尽管设计、构建和意图良好,但政策和隐私问题导致了电子健康模式,可能会影响未来的健康信息共享需求。因此,必须进一步探索将陷入困境的澳大利亚PCEHR转变为可持续的按需技术消费模式以保障患者安全的机会。此外,医疗保健从业人员目前的工作重点必须重新协商,以建立一个共享的知识创造的行动景观,以更安全的患者干预。然而,要实现这一潜力,需要一个平台,促进在整个连续护理过程中实时获得的所有卫生信息的有效和可信的统一。作为一篇概念性论文,作者的目标是在“电子健康即服务”框架内提供对影响患者卓越结果的使用前因的见解。为了实现这一目标,本文试图从电子健康和云计算概念的初步文献综述中提炼出关键概念,并确定共同主题,特别是云服务编排,以建立概念框架和研究议程。最初的研究结果支持了作者的观点,即电子卫生即服务(eHaaS)结构将作为一种颠覆性的范式转变,在健康信息的聚集和转换中,作为患者护理场景中的现实世界知识使用。此外,扩展社区健康记录银行(HRB)模式的战略价值在于能够自动利用大量相关数据存储库和来源,以创建基于实践的单一证据来源,并利用市场力量创造财务可持续性。
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引用次数: 14
期刊
2014 IEEE 16th International Conference on e-Health Networking, Applications and Services (Healthcom)
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