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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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Privacy and eHealth-enabled smart meter informatics 支持隐私和电子健康的智能电表信息
G. Kalogridis, Saraansh Dave
The societal need for better public healthcare calls for granular, continuous, nationwide instrumentation and data fusion technologies. However, the current trend of centralised (database) health analytics gives rise to data privacy issues. This paper proposes sensor data mining algorithms that help infer health/well-being related lifestyle patterns and anomalous (or privacy-sensitive) events. Such algorithms enable a user-centric context awareness at the network edge, which can be used for decentralised eHealth decision making and privacy protection by design. The main hypothesis of this work involves the detection of atypical behaviours from a given stream of energy consumption data recorded at eight houses over a period of a year for cooking, microwave, and TV activities. Our initial exploratory results suggest that in the case of an unemployed single resident, the day-by-day variability of TV or microwave operation, in conjunction with the variability of the absence of other cooking activity, is more significant as compared with the variability of other combinations of activities. The proposed methodology brings together appliance monitoring, privacy, and anomaly detection within a healthcare context, which is readily scalable to include other health-related sensor streams.
社会对更好的公共医疗保健的需求需要精细的、连续的、全国性的仪器和数据融合技术。然而,目前集中式(数据库)健康分析的趋势引发了数据隐私问题。本文提出传感器数据挖掘算法,有助于推断健康/福祉相关的生活方式模式和异常(或隐私敏感)事件。这种算法在网络边缘实现以用户为中心的上下文感知,可用于分散的电子健康决策和隐私保护。这项工作的主要假设涉及到从一年中八个家庭在烹饪,微波炉和电视活动中记录的特定能源消耗数据流中检测非典型行为。我们的初步探索结果表明,在失业单身居民的情况下,与其他活动组合的可变性相比,电视或微波炉操作的逐日可变性以及缺乏其他烹饪活动的可变性更为显著。所提出的方法将医疗保健上下文中的设备监视、隐私和异常检测结合在一起,并且易于扩展以包含其他与健康相关的传感器流。
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引用次数: 5
Smart data synchronization in m-Health monitoring applications 移动健康监测应用中的智能数据同步
A. Benharref, M. Serhani, R. Mizouni
Nowadays, mobile applications/devices have become the trends, especially, when they were gradually shifted from basic communication services to supporting more sophisticated service provisioning. Mobile applications are usually very light, are nowadays likely to be often connected to the Internet, and can be used quite easily. However, these applications exhibit some challenges related to limited resources they have access to, including limited processing power, memory, storage size, battery power, and intermittent network connection. In fact, these considerations have to be taken seriously into consideration when developing mobile applications especially if those applications will be used for critical services, for example, to collect and report vital health data over a long period of time. In this paper, we study the use of mobile applications for monitoring patient's vital. Mobile devices, through an application, are connected to body-strapped biosensors to collect and synchronize these parameters with information systems. This synchronization should be done in such a way that the cost of synchronization is kept low and urgent readings are delivered as soon as possible. To optimize the synchronization process and reduce its cost, we propose and validate cost-oriented algorithms. A case study is developed to illustrate the applicability and effectiveness of our innovative techniques in making continuous monitoring an efficient process.
如今,移动应用/设备已经成为一种趋势,尤其是当它们逐渐从基本的通信服务转向支持更复杂的服务供应时。移动应用程序通常非常轻,现在可能经常连接到互联网,并且可以很容易地使用。然而,这些应用程序表现出一些挑战,这些挑战与它们可以访问的有限资源有关,包括有限的处理能力、内存、存储大小、电池电量和间歇性网络连接。事实上,在开发移动应用程序时必须认真考虑这些因素,特别是如果这些应用程序将用于关键服务,例如,在很长一段时间内收集和报告重要的健康数据。在本文中,我们研究了使用移动应用程序来监测患者的生命。移动设备通过应用程序连接到绑在身上的生物传感器,以收集这些参数并与信息系统同步。这种同步应该以这样一种方式进行,即保持同步的成本较低,并尽快传递紧急读数。为了优化同步过程并降低其成本,我们提出并验证了以成本为导向的算法。通过一个案例研究来说明我们的创新技术在使持续监测成为一个有效过程中的适用性和有效性。
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引用次数: 2
Can IT health-care applications improve the medication tray-filling process at hospital wards? An exploratory study using eye-tracking and stress response IT医疗保健应用程序能否改善医院病房的药物托盘填充流程?一项使用眼动追踪和应激反应的探索性研究
N. Rodríguez, J. Lilius, Sebu Björklund, J. Majors, K. Rautanen, Riitta Danielsson-Ojala, Hanna Pirinen, Lotta Kauhanen, S. Salanterä, T. Salakoski, Ilona Tuominen
Filling medication trays and dispensing them at hospital wards is a painstaking, time-consuming and tedious task involving searching for medication in large shelves, double checking in the daily filled tray that the appearance, amount and concentration of each medication corresponds to the prescription, as well as analysing the timing conditions, among other details. Finally, if needed, finding equivalent compounds containing no secondary effects is also crucial, as well as being aware of the dynamically changing treatments in patients located, e.g., in surgery wards. Once the tray is filled, similar concerns and checks need to be done before dispensing the medication to the patient. We conducted a pilot in two university hospital wards using eye-tracking glasses and stress response to assess the tasks that take time the most and are most meticulous or stressing for the nurses. The aim is to use the findings to implement a mobile application that helps saving time and proneness to errors daily in such complex nursing procedures.
在医院病房装药和配药是一项艰苦、耗时和乏味的工作,包括在大架子上寻找药物,在每天装药的托盘上仔细检查每种药物的外观、数量和浓度是否与处方相符,以及分析时间条件等细节。最后,如果需要,找到不含继发性效应的等效化合物也是至关重要的,同时也要了解在手术病房等患者中动态变化的治疗方法。一旦托盘装满,在给病人配药之前,需要进行类似的关注和检查。我们在两个大学医院病房进行了试点,使用眼球追踪眼镜和压力反应来评估护士最耗时、最细致或压力最大的任务。目的是利用这些发现来实现一个移动应用程序,帮助节省时间和在如此复杂的护理程序中每天出错的可能性。
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引用次数: 9
Decode and merge cooperative MAC protocol for intra WBAN communication 解码和合并协作MAC协议,用于WBAN内部通信
A. Manirabona, L. Chaari, S. Boudjit
Wireless Body Area Network (WBAN) consists of a set of sensor nodes deployed on or implanted in the body and these nodes send sensed physiological data to the personal assistant. Some of these sensor nodes can be located far from the personal assistant or due to body posture the link between the node and the personal assistant is obstructed and so require an intermediate node to help relay their data. As defined in the IEEE 802.15.6 standard, a node can initiate the two-hop extension cooperative communication to relay other nodes data. However, it is impossible to accept relaying for more than one node at the same time. In addition, when a relay node has data to send too, it has to choose either to leave the relaying mode or to maintain it. In this paper we propose a Decode and Merge technique that maintains the relaying mode by merging frames from relayed and relaying nodes. By doing so, a MAC format resizing is required. Apart from maintaining cooperative communication, this technique increases the general throughput without increasing the energy consumption, management and control flows. Furthermore, it increases the ability to resist against interference.
无线身体区域网络(WBAN)由一组部署在身体上或植入体内的传感器节点组成,这些节点将感知到的生理数据发送给个人助理。其中一些传感器节点可能离个人助理很远,或者由于身体姿势的原因,节点和个人助理之间的链接受到阻碍,因此需要一个中间节点来帮助中继它们的数据。根据IEEE 802.15.6标准的定义,一个节点可以发起两跳扩展协作通信,以中继其他节点的数据。然而,不可能同时接受多个节点的中继。此外,当中继节点也有数据要发送时,它必须选择离开中继模式或保持中继模式。本文提出了一种通过合并中继节点和中继节点的帧来保持中继模式的译码合并技术。通过这样做,需要调整MAC格式的大小。除了保持协作通信外,该技术在不增加能耗、管理和控制流量的情况下提高了总吞吐量。此外,它增加了抗干扰的能力。
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引用次数: 6
How should remote monitoring sensor be accurate? 远程监控传感器如何做到准确?
S. Tokunaga, S. Matsumoto, S. Saiki, Masahide Nakamura
The goal of this paper is to find an answer that how remote monitoring sensor should be accurate. To achieve the goal, we propose three methods, generalization by three-actor model, design the algorithm of the three-actor and development of RMS simulator. With the three-actor model, we can generalize RMS by interactions among three actors. As the second step, we design the algorithms that how to work the actor in RMS. So we could express how often the elderly become ill. Moreover, using the developed simulator, we could simulate with many patterns of conditions. The result of simulations shows that if the accuracy of the sensor is greater than 0.9990, then the RMS has much more detectionPower.
本文的目的是寻找一个答案,远程监控传感器应该是准确的。为了实现这一目标,我们提出了三参与者模型泛化、三参与者算法设计和RMS模拟器开发三种方法。使用三参与者模型,我们可以通过三个参与者之间的相互作用来推广RMS。第二步,我们设计了如何在RMS中工作actor的算法。所以我们可以表达老年人生病的频率。此外,利用所开发的模拟器,我们可以模拟多种模式的条件。仿真结果表明,如果传感器的精度大于0.9990,则RMS具有更大的检测功率。
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引用次数: 1
Development of subcutaneous implantation coil for birds 鸟类皮下植入线圈的研制
I. Nakajima, T. Kitano, Kaoru Nakada, J. Hata, Masuhisa Ta
We have developed an electromagnetic generator to bury in subcutaneous area or abdominal cavity of the birds. As we can't use a solar battery, it is extremely difficult to supply a power for subcutaneous implantation such as biosensors under the skin due to the darkness environment. We are aiming to test the antigen-antibody reaction to confirm an avian influenza[1-2]. One solution is a very small generator with the electromagnetic induction coil. We attached the developed coil to chickens and pheasants and recorded the electric potential generated as the chicken walked and the pheasant flew. The electric potential generated by walking or flapping is equal to or exceeds the 10 V peak-to-peak at maximum. Even if we account for the junction voltage of the diode (300 mV), efficient charging of the double-layer capacitor is possible with the voltage doubler rectifier. If we increase the voltage, other problems arise, including the highvoltage insulation of the double-layer capacitor. For this reason, we believe the power generated to be sufficient.
我们开发了一种可以埋入鸟类皮下或腹腔的电磁发生器。由于不能使用太阳能电池,因此由于环境黑暗,很难为皮肤下的生物传感器等皮下植入提供电力。我们的目标是测试抗原-抗体反应以确认禽流感[1-2]。一个解决方案是一个非常小的发电机与电磁感应线圈。我们将开发好的线圈连接到鸡和野鸡身上,记录下鸡走路和野鸡飞行时产生的电势。行走或拍动产生的电势峰值等于或超过10v。即使我们考虑到二极管的结电压(300 mV),使用倍压整流器也可以对双层电容器进行有效充电。如果我们增加电压,就会出现其他问题,包括双层电容器的高压绝缘。因此,我们认为产生的能量是足够的。
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引用次数: 0
Fuzzy controller for automatic microphone gain control in an autonomous support system for elderly 基于模糊控制器的老年人自主养老系统麦克风增益自动控制
Luis González-Delgado, D. Valencia-Redrovan, V. Robles-Bykbaev, Ninfa Gonzalez-Delgado, T. Panzner
A fuzzy controller to support older adults should be robust and respond effectively to real-life situations such as illumination changes, ambient noise, and decision-making in critical situations. Following this approach, this paper presents the general design of “SA3M”, an autonomous support system for older adults that implements facial recognition, voice response and the use of various sensors to prevent or alert dangerous situations (gas leaks, fires, etc.). Furthermore, this paper addresses the problem of automatic microphone sensitivity control (Automatic Gain Control) in the processing of voice commands. To validate the proposed approach, the fuzzy controller was tested with a wide range of ambient noise levels and produced promising results.
支持老年人的模糊控制器应该具有鲁棒性,并对现实生活中的情况(如照明变化、环境噪声和关键情况下的决策)做出有效反应。根据这种方法,本文介绍了“SA3M”的总体设计,这是一种针对老年人的自主支持系统,它实现了面部识别、语音响应和使用各种传感器来预防或警报危险情况(气体泄漏、火灾等)。此外,本文还研究了语音指令处理中麦克风自动灵敏度控制(自动增益控制)的问题。为了验证所提出的方法,模糊控制器在大范围的环境噪声水平下进行了测试,并产生了令人满意的结果。
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引用次数: 5
Real-time quantifying heart beat rate from facial video recording on a smart phone using Kalman filters 实时量化心率从面部视频记录在智能手机上使用卡尔曼滤波器
W. Jiang, S. Gao, P. Wittek, Li Zhao
Photoplethysmography (PPG) can be carried out through facial video recording by a smart phone camera in ambient light. The main challenge is to eliminate motion artifacts and ambient noise. We describe a real-time algorithm to quantify the heart beat rate from facial video recording captured by the camera of a smart phone. We extract the green channel from the video. Then we normalize it and use a Kalman filter with a particular structure to eliminate ambient noise. This filter also enhances the heart pulse component in the signal distorted by Gaussian noise and white noise. After that we employ a band-pass FIR filter to remove the remaining motion artifacts. This is followed by peak detection or Lomb periodogram to estimate heart rate. The algorithm has low computational overhead, low delay and high robustness, making it suitable for real-time interaction on a smart phone. Finally we describe an Android application based on this study.
光体积脉搏描记(PPG)可以通过智能手机摄像头在环境光下录制面部视频来进行。主要的挑战是消除运动伪影和环境噪声。我们描述了一种实时算法,可以从智能手机摄像头拍摄的面部视频记录中量化心率。我们从视频中提取绿色通道。然后对其进行归一化,并使用具有特定结构的卡尔曼滤波器来消除环境噪声。该滤波器还增强了被高斯噪声和白噪声失真的信号中的心脏脉冲分量。之后,我们采用带通FIR滤波器去除剩余的运动伪影。接下来是峰值检测或伦氏周期图来估计心率。该算法具有计算量小、时延低、鲁棒性强等特点,适用于智能手机上的实时交互。最后,我们在此基础上开发了一个Android应用。
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引用次数: 21
Privacy preserving health data processing 保护隐私的健康数据处理
Anders Andersen, K. Y. Yigzaw, Randi Karlsen
The usage of electronic health data from different sources for statistical analysis requires a toolset where the legal, security and privacy concerns have been taken into consideration. The health data are typically located at different general practices and hospitals. The data analysis consists of local processing at these locations, and the locations become nodes in a computing graph. To support the legal, security and privacy concerns, the proposed toolset for statistical analysis of health data uses a combination of secure multi-party computation (SMC) algorithms, symmetric and public key encryption, and public key infrastructure (PKI) with certificates and a certificate authority (CA). The proposed toolset should cover a wide range of data analysis with different data distributions. To achieve this, large set of possible SMC algorithms and computing graphs have to be supported.
使用来自不同来源的电子卫生数据进行统计分析需要一套考虑到法律、安全和隐私问题的工具集。健康数据通常位于不同的全科诊所和医院。数据分析由这些位置的本地处理组成,这些位置成为计算图中的节点。为了支持法律、安全和隐私方面的考虑,建议的健康数据统计分析工具集结合使用了安全多方计算(SMC)算法、对称和公钥加密以及带有证书和证书颁发机构(CA)的公钥基础设施(PKI)。建议的工具集应涵盖不同数据分布的广泛数据分析。为了实现这一点,必须支持大量可能的SMC算法和计算图。
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引用次数: 18
MyHeart: An intelligent mHealth home monitoring system supporting heart failure self-care MyHeart:支持心力衰竭自我护理的智能移动健康家庭监测系统
Nagla S. Alnosayan, Edward Lee, A. Alluhaidan, S. Chatterjee, L. Houston-Feenstra, M. Kagoda, W. Dysinger
MyHeart is a telehealth system designed to bridge the current gap in the Congestive Heart Failure care continuum that occurs when the patient transitions from the hospital to the home environment. The system uses wireless health devices and a mobile application on the patient's end, a rule-based expert system, and a dashboard on the clinician's end to facilitate the exchange of information pertaining to vitals, symptoms, and health risk. The system also sends messages to patients that aim to encourage self-care as per Fogg's behavior model. An experiment to evaluate MyHeart is currently underway at Loma Linda University Medical Center and encouraging initial findings are reported.
MyHeart是一个远程医疗系统,旨在弥合目前充血性心力衰竭护理连续体的差距,当患者从医院过渡到家庭环境时发生。该系统在患者端使用无线健康设备和移动应用程序,在临床端使用基于规则的专家系统和仪表板,以促进有关生命体征、症状和健康风险的信息交换。该系统还会向患者发送信息,鼓励他们按照福格的行为模式进行自我护理。洛马林达大学医学中心目前正在进行一项评估MyHeart的实验,并报告了令人鼓舞的初步发现。
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引用次数: 17
期刊
2014 IEEE 16th International Conference on e-Health Networking, Applications and Services (Healthcom)
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