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2016 IEEE 18th International Conference on e-Health Networking, Applications and Services (Healthcom)最新文献

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Towards semantics in wearable sensors: The role of transducers electronic data sheets (TEDS) ontology in sensor networks 面向可穿戴传感器中的语义:传感器电子数据表(TEDS)本体在传感器网络中的作用
O. S. Ajigboye, K. Danas
Sensors, actuators and event sensors are the major types of transducers recognized by the IEEE 21451 standards for Smart Transducers. These contain information embedded in the Transducer Electronic Data Sheets (TEDS) that help describe the transducer and identify it in a network. Advancement in sensor and information technologies has led to various designs and development in wearable medical devices e.g. wireless Electrocardiogram (ECG) monitoring devices used to measure heart physiological parameters for diagnosis and monitoring of patients' health remotely. Most wearables were designed and proposed on IEEE 11073 standards, while, advances in implementation and application of smart transducers are based on ISO/IEC/IEEE 21451 standards. Therefore, seamless integration and interoperability between sensing technology in wearable and Health Information Systems (HIS) requires attention on the interoperability opportunities at the semantic level. The proposed ontology was implemented using Protege, SPARQL was used to evaluate it, and the performance analysis shows the greater description of the transducers with improve rate of recall and enhance interoperability at the semantic level.
传感器,执行器和事件传感器是IEEE 21451智能传感器标准认可的主要类型的传感器。这些包含嵌入在传感器电子数据表(TEDS)中的信息,这些信息有助于描述传感器并在网络中识别传感器。传感器和信息技术的进步导致了可穿戴医疗设备的各种设计和开发,例如用于测量心脏生理参数以远程诊断和监测患者健康的无线心电图(ECG)监测设备。大多数可穿戴设备是根据IEEE 11073标准设计和提出的,而智能传感器的实现和应用进展是基于ISO/IEC/IEEE 21451标准。因此,可穿戴传感技术与健康信息系统(HIS)之间的无缝集成和互操作性需要关注语义层面的互操作性机会。使用Protege实现了该本体,并使用SPARQL对其进行了评价,性能分析表明,该本体对换能器的描述更充分,召回率提高,语义层面的互操作性增强。
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引用次数: 7
Prediction of anatomical exposure to solar UV: A case study for the head using SimUVEx v2 预测解剖暴露于太阳紫外线:使用SimUVEx v2对头部的案例研究
A. Religi, L. Moccozet, D. Vernez, A. Milon, C. Backes, J. Bulliard, L. Vuilleumier
Excessive exposure to solar ultraviolet (UV) radiation is the main cause of skin cancer. The dose-response between UV exposure and skin cancer occurrence is not yet fully understood since UV exposure is highly heterogeneous and strongly influenced by host and behavioural factors, such as posture, orientation to the sun, skin complexion and clothing. To address this issue, a three-dimensional (3D) numeric model (SimUVEx) has been developed to assess dose and distribution of anatomical UV exposure. The model uses 3D computer graphics techniques to compute UV radiance on the basis of postural information and ambient irradiation data, without necessitating time-consuming individual dosimetry, ensuring a wide potential use in skin cancer prevention and research. With the purpose to improve simulation capabilities in order to obtain more realistic scenarios and quantify effective sun protection strategies, a new version has been released, SimUVEX v2. Among new features, a specific morphology for the most sun-exposed body area, the head, has been added. We selected three different styles of hat (cap, wide-brimmed hat and helmet) to compare scenarios with and without solar protections considering the relative contribution of the direct, diffuse and reflected radiation. It was found that, sites directly covered apart (e.g., forehead and top of the head), hats with a wide brim are necessary in order to provide reasonable protections around facial zones on which non-melanoma skin cancers commonly occur, such as nose and cheeks.
过度暴露于太阳紫外线(UV)辐射是皮肤癌的主要原因。紫外线照射与皮肤癌发生之间的剂量反应尚未完全了解,因为紫外线照射是高度异质性的,并受到宿主和行为因素的强烈影响,如姿势、朝向太阳、皮肤肤色和衣服。为了解决这个问题,已经开发了一个三维(3D)数值模型(SimUVEx)来评估解剖紫外线照射的剂量和分布。该模型使用3D计算机图形技术,根据姿势信息和环境辐射数据计算紫外线辐射,而无需耗时的个人剂量测定,确保在皮肤癌预防和研究中的广泛潜在应用。为了提高模拟能力,以获得更真实的场景和量化有效的防晒策略,新版本SimUVEX v2已经发布。在新特征中,增加了最受阳光照射的身体区域的特定形态,即头部。我们选择了三种不同风格的帽子(软帽、宽檐帽和安全帽),考虑直接辐射、漫射辐射和反射辐射的相对贡献,比较了有和没有太阳防护的情况。研究发现,对于直接覆盖的部位(如前额和头顶),宽边帽子是必要的,以便在非黑色素瘤皮肤癌通常发生的面部区域(如鼻子和脸颊)周围提供合理的保护。
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引用次数: 7
Opportunistic physical activity monitoring via passive WiFi radar 通过被动WiFi雷达进行机会性的身体活动监测
Wenda Li, Bo Tan, R. Piechocki, I. Craddock
Physical activity envelope provides invaluable information in numerous pervasive health applications. Physical activity is traditionally gleaned using a range of wearable inertial sensors and/or video technology. This paper introduces a novel opportunistic and non-intrusive monitoring system which can quantify activity levels based on analysis of ambient WiFi signal scatter. A real-time signal processing framework is developed, and the proposed system is implemented in software defined radio platform. Experimental results corroborate the efficacy of the proposed system in long term ADL monitoring in residential healthcare applications.
身体活动信封在许多普遍的健康应用中提供了宝贵的信息。传统上,身体活动是通过一系列可穿戴惯性传感器和/或视频技术来收集的。本文介绍了一种新的机会性和非侵入性监测系统,该系统可以根据分析环境WiFi信号散射来量化活动水平。开发了实时信号处理框架,并在软件无线电平台上实现了该系统。实验结果证实了该系统在住宅医疗机构长期监测ADL的有效性。
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引用次数: 14
Sway analysis and fall prediction method based on spatio-temporal sliding window technique 基于时空滑动窗技术的摇摆分析与坠落预测方法
Kabalan Chaccour, Hiba Al Assaad, A. Hassani, R. Darazi, Emmanuel Andres
As people age, they become more fragile and exhibit difficulties in maintaining their gait and balance. Their state of fragility increases their vulnerability to fall incidents. Various analysis methods were developed to detect the abnormality of human gait and balance, and estimate the risk of falling. In this paper, we present a method to estimate the falling risk and alert the patient when a fall is about to happen. The proposed method consists in monitoring and analyzing the amount of sway of the center of mass in the medial-lateral plane by computing the center of pressure displacement at the foot plantar surface. Our proposed method uses the spatio-temporal sliding window processing to generate fall alarms and estimate the falling risk. The method was validated via a two-phase experimental protocol with five young adults who performed a walk of 20 stances with simulated sways using an instrumented shoe with resistive pressure sensors. The threshold of the normal walk THN and the risk level RL of the altered walk are determined as well as the risk of falling. The method can be applied in real-life and clinical settings with real-time processing.
随着人们年龄的增长,他们变得更加脆弱,在保持步态和平衡方面表现出困难。他们的脆弱状态增加了他们摔倒事故的脆弱性。发展了各种分析方法来检测人体步态和平衡的异常,并估计跌倒的风险。在本文中,我们提出了一种估计跌倒风险并在即将发生跌倒时提醒患者的方法。该方法通过计算足跖面压力位移中心来监测和分析足跖内侧外侧平面质心的偏移量。我们提出的方法利用时空滑动窗口处理来产生坠落警报并估计坠落风险。该方法通过两阶段的实验协议得到验证,五名年轻人使用带有电阻压力传感器的仪器鞋进行了20种姿势的模拟摇摆行走。确定正常步行阈值THN、改变步行风险水平RL以及跌倒风险。该方法可应用于现实生活和临床环境的实时处理。
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引用次数: 3
An approach to localization in crowded area 一种拥挤区域的定位方法
Md Osman Gani, G. Ahsan, Duc Do, Drew Williams, M. Balfas, Sheikh Iqbal Ahamed, Muhammad Arif, A. Kattan
Every year millions of people gather at Makkah, Saudi Arabia during the Hajj, an annual Islamic pilgrimage. The area at Makkah is small, and the number of attendees increases each year, which has created an ongoing and ever increasing problem of crowd management. In this paper, we present our integrated solution to the localization challenge of tracking specific users in a highly crowded area where GPS signal may be weak or even unavailable. Smartphone based Human Activity Recognition (HAR) uses various sensors that are built into the smartphone to sense a person's activity in real time. Applications that incorporate HAR can be used to track a person's movements and are very useful in areas such as health care. We also propose a group-tracking mechanism that can be applied when a group member appears to get lost. Other members of the group will be immediately notified and receive an estimation of the lost member's location. Using wireless signals (RSSI) and inertial sensor data, we have developed a mathematical model and a system for both outdoor and indoor localization. The experimental results show that the proposed system is able to detect locations of users with high accuracy, with an error of less than 2.5 meters. The system will be used by millions of users in Makkah, where there have been thousands of reported cases of pilgrims getting lost during the Hajj, however, it is scalable to accommodate any other crowded population.
每年,数百万人聚集在沙特阿拉伯的麦加参加一年一度的伊斯兰朝圣活动。麦加的面积很小,参加人数每年都在增加,这造成了持续不断的人群管理问题。在本文中,我们提出了我们的集成解决方案,以跟踪在高度拥挤的地区,GPS信号可能很弱,甚至不可用的特定用户的定位挑战。基于智能手机的人类活动识别(HAR)使用内置在智能手机中的各种传感器来实时感知一个人的活动。包含HAR的应用程序可以用来跟踪一个人的运动,在医疗保健等领域非常有用。我们还提出了一种组跟踪机制,可以在组成员似乎迷路时应用该机制。小组的其他成员将立即得到通知,并收到失踪成员的估计位置。利用无线信号(RSSI)和惯性传感器数据,我们开发了一个室外和室内定位的数学模型和系统。实验结果表明,该系统能够以较高的精度检测用户位置,误差小于2.5米。该系统将在麦加数以百万计的用户中使用,据报道,在麦加朝觐期间,有数千名朝圣者迷路,然而,它可以扩展到容纳任何其他拥挤的人群。
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引用次数: 5
Building a spatial-temporal index to detect the global pattern deviations in daily activities of elderly subjects 建立一个时空指数来检测老年人日常活动的全球模式偏差
N. Noury, M. Berenguer, M. Bouzid, Jean-Baptiste Versini
To follow up the daily activities of elderly populations living independently in their home, is of central importance because the level and variety of activities performed reflect the correct functioning of their homeostasis, thus their health and well being. But the workers, in charge on the field for the remote follow up, need a ready to use and easy to interpret composite information. Our work aims at producing and evaluating this unique index, built from data fusion of heterogeneous information, such as the electrical activities on the power line.
跟踪在家中独立生活的老年人口的日常活动是至关重要的,因为所进行的活动的水平和种类反映了他们体内平衡的正确功能,从而反映了他们的健康和福祉。但是,负责现场远程跟踪的工作人员需要一种易于使用且易于解释的复合信息。我们的工作旨在生成和评估这一独特的指数,该指数是由异构信息(如电力线上的电气活动)的数据融合建立的。
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引用次数: 2
Summarizing patient daily activities for clinical pathway mining 总结患者日常活动,挖掘临床路径
Xiao Xu, Tao Jin, Jianmin Wang
Clinical Pathway is ubiquitous and plays an essential role in clinical workflow management. The combination of topic modeling and process mining is an efficient approach to get a non-static and topic-based process model. Topic modeling is used to group the activities of each clinical day into the latent topics, and process mining is used to generate a concise workflow model based on these topics. However, because of the specificity of clinical data, it usually suffers from the performance of topic modeling. In this paper, we take an important clinical practice, all the same activities in one clinical day tend to represent the same clinical goal, into account to enhance the effectiveness of topic modeling. The experiments on real data show significant performance gains of our approach.
临床路径无处不在,在临床工作流程管理中起着至关重要的作用。主题建模与过程挖掘相结合是获得非静态、基于主题的过程模型的有效方法。利用主题建模方法将临床日的活动分组到潜在主题中,利用流程挖掘方法基于这些主题生成简洁的工作流模型。然而,由于临床数据的特殊性,通常会影响主题建模的性能。在本文中,我们以一个重要的临床实践为例,考虑到一个临床日中所有相同的活动倾向于代表相同的临床目标,以提高主题建模的有效性。在实际数据上的实验表明,我们的方法有显著的性能提升。
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引用次数: 12
Electronic health records: Improvement to healthcare decision-making 电子健康记录:改善医疗保健决策
Hamzah Osop, T. Sahama
Effective decision-making plays an important role in promoting optimal care delivery. Factors such as availability of data, timely access to data and organised information greatly influences the quality of decision-making as illustrated in a causal loop diagram. The contribution of practice-based evidence thus aims at structuring an approach where healthcare professionals can be consistently assisted in making effective decisions during routine primary care. Through a practice-based evidence e-health scenario and a data-flow diagram of clinical systems in a public hospital from Singapore, we have identified the importance of leveraging electronic health records as ideal resources in the pursuit of improving healthcare decision-making.
有效的决策在促进最佳护理提供方面发挥着重要作用。如因果循环图所示,数据的可用性、及时获取数据和有组织的信息等因素极大地影响决策的质量。因此,基于实践的证据的贡献旨在构建一种方法,使医疗保健专业人员能够在常规初级保健期间得到持续的帮助,做出有效的决定。通过基于实践的证据电子健康场景和新加坡一家公立医院临床系统的数据流图,我们已经确定了利用电子健康记录作为追求改善医疗保健决策的理想资源的重要性。
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引用次数: 6
A framework for modularised wearable adaptive biofeedback devices 模块化可穿戴自适应生物反馈装置的框架
Yonghee Ahn, D. Jayalath, A. Oloyede
The demand for assistive living technologies is rising rapidly due to the increasing ageing population around the world. Advancements in wearable device technologies have paved the way to patient-centred ubiquitous health monitoring at home. Despite the increasing availability of continuous patient monitoring by integrating various sensors and Body area networks (BAN), little work has focused on automated intervention at multiple levels. On the other hand, certain personal medical treatment devices such as insulin injectors and pneumatic compression therapy devices provide treatment without overall personal health monitoring. In this research, we propose a framework to enable continuous monitoring and control of a personal treatment device seamlessly. Proposed framework assimilates inertial sensor-based activity recognition, intelligent control algorithms, and BAN in a modularised hardware architecture. Consequently, the proposed system can monitor activities of daily living and provide automated intentions. The modularised hardware architecture facilitates the use of single sensing and controller platform for multiple treatment devices. We validate the proposed framework by implementing and testing a prototype automated compression therapy device.
由于世界各地人口老龄化的加剧,对辅助生活技术的需求正在迅速上升。可穿戴设备技术的进步为在家中实现以患者为中心的无处不在的健康监测铺平了道路。尽管通过集成各种传感器和身体区域网络(BAN)进行持续患者监测的可用性越来越高,但很少有工作集中在多层次的自动干预上。另一方面,某些个人医疗设备,如胰岛素注射器和气动压缩治疗设备提供治疗,而不需要对个人健康进行全面监测。在这项研究中,我们提出了一个框架,可以无缝地持续监测和控制个人治疗设备。提出的框架在模块化硬件架构中吸收了基于惯性传感器的活动识别、智能控制算法和BAN。因此,所提出的系统可以监控日常生活活动并提供自动意图。模块化的硬件架构便于多个处理设备使用单个传感和控制器平台。我们通过实施和测试一个原型自动压缩治疗装置来验证所提出的框架。
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引用次数: 4
Constellation: A secure self-optimizing framework for genomic processing 星座:基因组处理的安全自优化框架
V. Bumgardner, V. Marek, Caylin D. Hickey, K. Nandakumar
The Constellation framework is designed for process automation, secure workload distribution, and performance optimization for genomic processing. The goal of Constellation is to provide a flexible platform for the processing of custom ”write once run anywhere” genomic pipelines, across a range of computational resources and environments, through the agent-based management of genomic processing containers. An implementation of the Constellation framework is currently in use at the University of Kentucky Medical Center for clinical diagnostic and research genomic processing.
星座框架是为基因组处理的过程自动化、安全工作负载分配和性能优化而设计的。Constellation的目标是通过基于代理的基因组处理容器管理,为处理定制的“一次写入,随处运行”的基因组管道提供一个灵活的平台,跨越一系列计算资源和环境。目前,肯塔基大学医学中心(University of Kentucky Medical Center)正在使用Constellation框架的一个实施方案,用于临床诊断和基因组处理研究。
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引用次数: 4
期刊
2016 IEEE 18th International Conference on e-Health Networking, Applications and Services (Healthcom)
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