2015 IEEE International Conference on Pervasive Computing and Communication Workshops (PerCom Workshops)最新文献

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Gait, wrist, and sensors: Detecting freezing of gait in Parkinson's disease from wrist movement 步态、手腕和传感器:通过手腕运动检测帕金森病患者的步态冻结
Sinziana Mazilu, Ulf Blanke, G. Tröster
{"title":"Gait, wrist, and sensors: Detecting freezing of gait in Parkinson's disease from wrist movement","authors":"Sinziana Mazilu, Ulf Blanke, G. Tröster","doi":"10.1109/PERCOMW.2015.7134102","DOIUrl":"https://doi.org/10.1109/PERCOMW.2015.7134102","url":null,"abstract":"We investigate the correlation between wrist movement and freezing of the gait in Parkinsons disease. Detecting such freezes allows real-time monitoring to reduce the risk of falls in subjects with Parkinson's. While most of research focuses on placing inertial sensors on lower limb, i.e., foot, ankle, thigh, lower back, we focus on the wrist as an alternative placement. Commonly worn accessories at the wrist such as watches or wristbands are easier to be accepted and worn by elderly users, in special subjects with motor problems. Experiments on data from 11 subjects show that freezing of gait episodes can be detected using the wrist movements, with a freeze hit-rate of 90% and 83% specificity in a subject-dependent evaluation scheme. This suggests that wrist sensors can be a feasible alternative to the cumbersome placement on the legs.","PeriodicalId":180959,"journal":{"name":"2015 IEEE International Conference on Pervasive Computing and Communication Workshops (PerCom Workshops)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115246770","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
Demo abstract: A video-based metropolitan positioning system with centimeter-grade localization for VANETs 演示摘要:一种基于视频的城市定位系统,具有厘米级定位
Lien-Wu Chen, Yu-Fan Ho, Chia-Chen Chang, Y. Tseng
{"title":"Demo abstract: A video-based metropolitan positioning system with centimeter-grade localization for VANETs","authors":"Lien-Wu Chen, Yu-Fan Ho, Chia-Chen Chang, Y. Tseng","doi":"10.1109/PERCOMW.2015.7134017","DOIUrl":"https://doi.org/10.1109/PERCOMW.2015.7134017","url":null,"abstract":"In this paper, we propose a video-based metropolitan positioning system (V-MPS) for providing centimeter-grade localization in vehicular networks. The V-MPS system integrates vehicular networks with installed roadside/intersection cameras to provide positioning information to vehicles on the road. V-MPS can estimate the precise position of a vehicle and detect the located lane for each vehicle. To the best of our knowledge, V-MPS is the first positioning system which provides the following features: 1) it achieves the centimeter-grade positioning accuracy for vehicular networks that can detect the located lanes of vehicles, 2) it employs existing roadside/intersection cameras that can keep additional construction cost low, and 3) it establishes an innovative infrastructure for applications of next-generation Intelligent Transportation System (ITS) that can make lane-level traffic control, collision avoidance, and vehicle navigation possible. With vehicular networks, the estimated positions can be broadcast to nearby vehicles. With roadside/intersection cameras, the lane positions of vehicles can be detected even if GPS is not accurate enough to provide lane-level localization. In addition, the traffic condition can be continually monitored to optimize driving efficiency for next-generation ITS. This paper demonstrates our current prototype.","PeriodicalId":180959,"journal":{"name":"2015 IEEE International Conference on Pervasive Computing and Communication Workshops (PerCom Workshops)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124564647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Design recommendations to improve the user interaction with wrist worn devices 改善用户与腕带设备交互的设计建议
Byron M. Lowens, V. Motti, Kelly E. Caine
{"title":"Design recommendations to improve the user interaction with wrist worn devices","authors":"Byron M. Lowens, V. Motti, Kelly E. Caine","doi":"10.1109/PERCOMW.2015.7134099","DOIUrl":"https://doi.org/10.1109/PERCOMW.2015.7134099","url":null,"abstract":"Wrist worn devices (WWDs) including fitness trackers and smart watches have been successfully employed to support various applications, ranging from gesture recognition to authentication. Despite the increasing number of WWDs in the market, their limited dimensions and capabilities make their interaction design challenging. Designers struggle to downsize interactions originally designed for mobile phones, and end users wish for interactions that are easy to use. To better understand the users' concerns regarding the interaction with WWDs, we collected feedback about existing wearable bands, and analyzed the most critical issues currently faced in the interacting interaction with such devices. The analysis of the findings enabled us to derive 10 design recommendations that can aid to improve the interaction design in novel WWDs.","PeriodicalId":180959,"journal":{"name":"2015 IEEE International Conference on Pervasive Computing and Communication Workshops (PerCom Workshops)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123291115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Enabling resilience in the Internet of Things 实现物联网的弹性
Kyle E. Benson
{"title":"Enabling resilience in the Internet of Things","authors":"Kyle E. Benson","doi":"10.1109/PERCOMW.2015.7134032","DOIUrl":"https://doi.org/10.1109/PERCOMW.2015.7134032","url":null,"abstract":"This dissertation explores issues of resilience in pervasive Internet of Things (IoT) deployments. It discusses facilitating the classic observe-analyze-adapt loop by addressing problems with devices, networks, and applications. We discuss our experiences with two projects: the Safe Community Awareness and Alerting Network, which leverages pervasive devices to extend a smarter safer home to residents, and the Community Seismic Network, which creates a massive network of low-cost sensors for detecting earthquakes. We propose a middleware framework for improving resilient communications between devices and services, facilitating a scalable resilient multiprotocol data exchange, and supporting more resilient distributed applications.","PeriodicalId":180959,"journal":{"name":"2015 IEEE International Conference on Pervasive Computing and Communication Workshops (PerCom Workshops)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123349805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Insights from a m-participation prototype in the wild 从野外的移动参与原型中获得的见解
Sarah-Kristin Thiel, Ulrich L. Lehner, T. Stürmer, J. Gospodarek
{"title":"Insights from a m-participation prototype in the wild","authors":"Sarah-Kristin Thiel, Ulrich L. Lehner, T. Stürmer, J. Gospodarek","doi":"10.1109/PERCOMW.2015.7134013","DOIUrl":"https://doi.org/10.1109/PERCOMW.2015.7134013","url":null,"abstract":"Developing web-based as well as mobile platforms to encourage citizens to become involved in urban governance and political decision-making processes is becoming increasingly popular amongst municipalities and organisations. However, the vast majority of them either implement a one-way communication between citizens and governance or tends to be more of a consultation process instead of actively integrating citizens in decision-making. Our research aims to strengthen citizens' involvement in governance and encourage a continuous dialogue between municipalities and citizens. To explore the opportunities and impacts of novel mobile participation concepts, we developed a mobile application. This paper reports on two consecutive studies, which evaluate and explore user acceptance of general concepts of our system. Being still in the development phase, we focused on specific features of the prototype. Results of both studies are presented and discussed in relation to opportunities for m-participation tools. The paper concludes with an outline of future work.","PeriodicalId":180959,"journal":{"name":"2015 IEEE International Conference on Pervasive Computing and Communication Workshops (PerCom Workshops)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130159397","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 20
Towards large-scale pervasive smart camera networks 走向大规模无处不在的智能摄像头网络
Jennifer Simonjan
{"title":"Towards large-scale pervasive smart camera networks","authors":"Jennifer Simonjan","doi":"10.1109/PERCOMW.2015.7134040","DOIUrl":"https://doi.org/10.1109/PERCOMW.2015.7134040","url":null,"abstract":"Pervasive or ubiquitous computing refers to sensors and other electronic devices which are invisibly embedded into our everyday life environment. Examples use wireless sensor networks to provide meaningful information humans without the need for their interaction. The main focus is to make the environment more intelligent without disturbing the humans. Visual sensor networks (VSNs) are also a type of ubiquitous networks, since cameras are omnipresent by being embedded into everyday life objects such as smartphones. Cameras are becoming smaller and cheaper nowadays, enabling an invisible integration into our everyday life environment. The size the sensors is of important interest in order to enable dense sensor coverage without being disturbing. Small cameras such as embedded cameras, have various resource constraints including processing power, memory size or sensor resolution. Thus, building an invisible, pervasive VSN brings up certain challenges.","PeriodicalId":180959,"journal":{"name":"2015 IEEE International Conference on Pervasive Computing and Communication Workshops (PerCom Workshops)","volume":"173 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131761098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Challenges in designing testbed for evaluating delay-tolerant hybrid networks 时延容忍混合网络测试平台设计的挑战
P. Paul, S. Nandi, S. Dey, Kingshuk De, Prithviraj Pramanik, Sujoy Saha
{"title":"Challenges in designing testbed for evaluating delay-tolerant hybrid networks","authors":"P. Paul, S. Nandi, S. Dey, Kingshuk De, Prithviraj Pramanik, Sujoy Saha","doi":"10.1109/PERCOMW.2015.7134047","DOIUrl":"https://doi.org/10.1109/PERCOMW.2015.7134047","url":null,"abstract":"Challenged networking applications such as rural internet, battlefield communication, post-disaster communication etc. cannot rely on mere DTN for its unpredictable delay and unreliable delivery probability. To meet application specific QoS constraints, in addition to DTN-enabled mobile nodes (smart phones/tablets), an ad hoc backbone infrastructure is essential. Such backbone components include the use of laptops or custom-built storage units as Information Dropboxes and/or Data Mules and wireless mesh, long range Wi-Fi etc. as long range wireless communication units. Evaluation of such systems through simulation is not enough as there are problems related to compatibility and interoperability. Hence design of a testbed for evaluating a DTN-based hybrid system is a non-trivial problem. In this paper we attempt to reveal some of the system related challenges/issues for above and present DTHN-Test, a low-cost testbed prototype developed for evaluating challenged network scenarios, in general. As a case study we show some initial results on performance of a Delay-constrained Four-Tier Hybrid Ad hoc Network Architecture using DTHN-Test.","PeriodicalId":180959,"journal":{"name":"2015 IEEE International Conference on Pervasive Computing and Communication Workshops (PerCom Workshops)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124161313","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
An intervention study on automated lighting control to save energy in open space offices 开放空间办公室自动照明控制节能干预研究
L. I. L. Gonzalez, U. Großekathöfer, O. Amft
{"title":"An intervention study on automated lighting control to save energy in open space offices","authors":"L. I. L. Gonzalez, U. Großekathöfer, O. Amft","doi":"10.1109/PERCOMW.2015.7134055","DOIUrl":"https://doi.org/10.1109/PERCOMW.2015.7134055","url":null,"abstract":"We present intervention study on energy saving investigating the benefit of controlling ceiling lighting based on occupant presence information obtained at each desk. We show that fine-grained sensing and control is particularly beneficial for lighting control in open plan office spaces. Our intervention was conducted in a 63.8m2 modern open office space over a time of 1.5 months. Ultrasound sensors were installed to obtain presence at each desk. Self-dimming ceiling lights were made individually controllable and a novel building management system (BMS) was implemented. Every two desks and a nearby light were grouped in a cell, implicitly defined by rules of the BMS. Based on the intervention, energy savings of up to 19.01 kWh/m2·year were obtained. Recorded presence and power consumption values were used to simulate alternative lighting control strategies with reduced sensor numbers to further explore energy saving benefits.","PeriodicalId":180959,"journal":{"name":"2015 IEEE International Conference on Pervasive Computing and Communication Workshops (PerCom Workshops)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125647552","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
From lab to life: Fine-grained behavior monitoring in the elderly's home 从实验室到生活:老年人家中的细粒度行为监测
Daniele Riboni, C. Bettini, Gabriele Civitarese, Z. H. Janjua, V. Bulgari
{"title":"From lab to life: Fine-grained behavior monitoring in the elderly's home","authors":"Daniele Riboni, C. Bettini, Gabriele Civitarese, Z. H. Janjua, V. Bulgari","doi":"10.1109/PERCOMW.2015.7134060","DOIUrl":"https://doi.org/10.1109/PERCOMW.2015.7134060","url":null,"abstract":"Sensor-based activity monitoring systems promise to prolong independent living of frail elderly people, including those affected by cognitive disorders. Different solutions are already available on the market, which use wireless sensors installed in the home to track the daily living routines of the senior. Those systems provide caregivers with statistics about detected activities; some of them may trigger real-time notifications when they identify a risk situation. Long-term monitoring of finegrained behavioral anomalies can be an important tool to support the diagnosis of neurodegenerative diseases. However, current commercial systems can only monitor high-level activity routines. For this reason, in a previous work we devised a novel method to recognize fine-grained abnormal behaviors of elderly people at home based on sensor data. Experiments in the lab showed the effectiveness of that method. In this paper we present our experience about the implementation of the system in the home of an elderly person with diagnosis of mild cognitive impairment. After illustrating the current implementation, we discuss preliminary results and outline research directions. In particular, a preliminary clinician's assessment indicates the potential utility of this system to support the diagnosis, and the benefits that would be gained by extending the system to monitor additional parameters, including neurovegetative aspects and motor behavior. We also discuss directions for addressing the encountered technological issues, for improving our reasoning algorithms with more extensive support of uncertainty, and for “closing the loop” by making the senior an active part of the system.","PeriodicalId":180959,"journal":{"name":"2015 IEEE International Conference on Pervasive Computing and Communication Workshops (PerCom Workshops)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125430067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 30
Trustworthiness in crowd- sensed and sourced georeferenced data 人群感知和来源地理参考数据的可信度
Catia Prandi, S. Ferretti, S. Mirri, P. Salomoni
{"title":"Trustworthiness in crowd- sensed and sourced georeferenced data","authors":"Catia Prandi, S. Ferretti, S. Mirri, P. Salomoni","doi":"10.1109/PERCOMW.2015.7134071","DOIUrl":"https://doi.org/10.1109/PERCOMW.2015.7134071","url":null,"abstract":"This paper focuses on the trustworthiness of data gathered from different sources, including crowdsensing and crowdsourcing, in pervasive systems. The specific focus is on mPASS (mobile Pervasive Accessibility Social Sensing), a system devoted to support mobile users with accessibility needs in a smart city context. mPASS is in charge of collecting data about urban and architectural barriers and facilities, with the aim of providing mobile users with personalized paths, during their movement, computed on the basis of their preferences and accessibility needs. A trustworthiness model is presented that combines three sources of information, i.e., crowdsensed data, crowdsourced data and authoritative data. Simulations results witness the feasibility of our approach.","PeriodicalId":180959,"journal":{"name":"2015 IEEE International Conference on Pervasive Computing and Communication Workshops (PerCom Workshops)","volume":"34 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123490145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 46
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