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2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies最新文献

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On the accuracy of firefly synchronization with delays 萤火虫时滞同步精度研究
2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies Pub Date : 2008-12-16 DOI: 10.1109/ISABEL.2008.4712595
A. Tyrrell, G. Auer, C. Bettstetter
{"title":"On the accuracy of firefly synchronization with delays","authors":"A. Tyrrell, G. Auer, C. Bettstetter","doi":"10.1109/ISABEL.2008.4712595","DOIUrl":"https://doi.org/10.1109/ISABEL.2008.4712595","url":null,"abstract":"Emergent synchronization in populations of fireflies is commonly described by the mathematical model of pulse-coupled oscillators (PCOs). This paper studies the achieved synchronization accuracy in the presence of coupling delays between PCOs. For a three node network, accuracy bounds in the stable state are derived. This case study proves useful when looking at meshed networks, where nodes may not be directly connected with all others. While the network topology impacts the achieved accuracy of PCO synchronization, simulations reveal that even for non-neighboring nodes the timing misalignment rarely exceeds twice the direct coupling delay.","PeriodicalId":435116,"journal":{"name":"2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies","volume":"351 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122840522","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: 24
On the use of the MPEG-21 framework in medical wireless sensor networks MPEG-21框架在医疗无线传感器网络中的应用
2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies Pub Date : 2008-12-16 DOI: 10.1109/ISABEL.2008.4712591
A. Lie, K. Grythe, I. Balasingham
{"title":"On the use of the MPEG-21 framework in medical wireless sensor networks","authors":"A. Lie, K. Grythe, I. Balasingham","doi":"10.1109/ISABEL.2008.4712591","DOIUrl":"https://doi.org/10.1109/ISABEL.2008.4712591","url":null,"abstract":"This paper proposes a system architecture for wireless sensor network (WSN) using the MPEG-21 multimedia framework in medical applications. It has been envisioned that future hospitals will have networks comprising WSNs for low rate medical sensors as well as other network nodes supporting high rate audiovisual content. The increasing collection and variety of media content (multimedia) in such a scenario, needs a framework for the interaction with the external users regarding data filtering, meta information tagging, authentication and data rights control. Furthermore due to different user terminals and network resources, media adaptation will become important to provide reliable and robust quality of services. The MPEG-21 standard seems to have potential to meet some of the mentioned requirements. In this paper, we argue for an extension of the MPEG-21 terminology for use in biomedical wireless sensor networks and incorporate the requirements needed for medical applications. We show the architecture of a demonstration prototype based on this extended MPEG-21 framework that is under development, capable of displaying selected biomedical sensor data. The deployment of such a system may become warranted in future healthcare enterprises.","PeriodicalId":435116,"journal":{"name":"2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies","volume":"04 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130339358","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: 4
Bionic eyeglass: The first prototype A personal navigation device for visually impaired - A review 仿生眼镜:第一个原型视觉受损的个人导航设备-回顾
2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies Pub Date : 2008-12-16 DOI: 10.1109/ISABEL.2008.4712625
K. Karacs, A. Lazar, R. Wagner, B. Bálint, T. Roska, M. Szuhaj
{"title":"Bionic eyeglass: The first prototype A personal navigation device for visually impaired - A review","authors":"K. Karacs, A. Lazar, R. Wagner, B. Bálint, T. Roska, M. Szuhaj","doi":"10.1109/ISABEL.2008.4712625","DOIUrl":"https://doi.org/10.1109/ISABEL.2008.4712625","url":null,"abstract":"The first self-contained experimental prototype of a bionic eyeglass is presented in this paper, a device that helps blind and visually impaired people in basic tasks of their everyday life by converting visual information into speech. The indoor and outdoor situations and tasks have been selected by a technical committee consisting of blind and visually impaired persons, considering their most important needs and potential practical benefits that an audio guide can provide. The prototype system uses a cell phone as a frontend and embedded cellular visual computer as a computing device. Typical events have been collected in the blind mobile navigation database to validate the algorithms developed.","PeriodicalId":435116,"journal":{"name":"2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127235830","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: 12
Biomechanical modeling of laryngeal dynamics 喉动力学的生物力学建模
2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies Pub Date : 2008-12-16 DOI: 10.1109/ISABEL.2008.4712600
M. Dollinger, Anxiong Yang, M. Stingl, U. Eysholdt, J. Lohscheller
{"title":"Biomechanical modeling of laryngeal dynamics","authors":"M. Dollinger, Anxiong Yang, M. Stingl, U. Eysholdt, J. Lohscheller","doi":"10.1109/ISABEL.2008.4712600","DOIUrl":"https://doi.org/10.1109/ISABEL.2008.4712600","url":null,"abstract":"Interferences in the laryngeal area based on anatomical alterations or disturbances being only visible during vocal fold oscillations yield hoarseness. Most often, asymmetries caused by the vibrating vocal folds are the origin for this hoarseness. This work presents an enhancement of biomechanical models to simulate three dimensional vocal fold vibrations. The model consists of coupled mass-spring elements similar to Ishizaka and Flanagan (1972). The new model simulates the vibrations at 25 different positions for each vocal fold. The masses are arranged at 5 positions in longitudinal direction by 5 positions in vertical direction. The masses are capable to move in all three physical directions to better simulate human laryngeal vocal fold vibrations. The physical parameters applied in the model were chosen to visually fit real three-dimensional excised human vocal fold dynamics. Exemplarily, a symmetric dynamics simulation will be given.","PeriodicalId":435116,"journal":{"name":"2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127457052","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: 0
Application of Multitaper Analysis to wireless communications problems 多锥度分析在无线通信中的应用
2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies Pub Date : 2008-12-16 DOI: 10.1109/ISABEL.2008.4712590
S. Primak, E. Sejdić
{"title":"Application of Multitaper Analysis to wireless communications problems","authors":"S. Primak, E. Sejdić","doi":"10.1109/ISABEL.2008.4712590","DOIUrl":"https://doi.org/10.1109/ISABEL.2008.4712590","url":null,"abstract":"The paper presents two novel applications of Thomson Multitaper Analysis. It is shown how a wideband simulator of a double mobile MIMO channel could be developed based on geometrical channel model. It is also shown how modification of Discrete Prolate Spheroidal Sequences could be used to better estimation of sparse channels. A number of other potential applications is also mentioned.","PeriodicalId":435116,"journal":{"name":"2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128761536","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: 6
Vector precoding for a single-user MIMO channel: Matched filter vs. distributed antenna detection 单用户MIMO信道的矢量预编码:匹配滤波器与分布式天线检测
2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies Pub Date : 2008-12-16 DOI: 10.1109/ISABEL.2008.4712589
R. de Miguel, R. Muller
{"title":"Vector precoding for a single-user MIMO channel: Matched filter vs. distributed antenna detection","authors":"R. de Miguel, R. Muller","doi":"10.1109/ISABEL.2008.4712589","DOIUrl":"https://doi.org/10.1109/ISABEL.2008.4712589","url":null,"abstract":"Convex vector precoding is proposed for interference-free reception in single user MIMO channels using either spatial matched filtering or distributed antenna detection at the receiver. We use the replica method of statistical physics to compare the large system performance (in terms of transmitted energy vs. uncoded transmission rate) of both the matched filter and the distributed detection schemes. Using a convex quaternary alphabet we find that distributed detection is most advantageous only when the ratio of antennas at the receiver to that at the transmitter is either smaller than 0.5 or between 1 and 1.22. Matched filter detection is most advantageous for ratios greater than 2. In the two remaining regions the choice of precoding for matched filter or distributed detection results in a tradeoff between energy and transmission rate.","PeriodicalId":435116,"journal":{"name":"2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129877288","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: 7
A multimodal network board game system for blind people 一个多模式的盲人网络桌游系统
2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies Pub Date : 2008-12-16 DOI: 10.1109/ISABEL.2008.4712592
N. Caporusso, L. Mkrtchyan, L. Badia
{"title":"A multimodal network board game system for blind people","authors":"N. Caporusso, L. Mkrtchyan, L. Badia","doi":"10.1109/ISABEL.2008.4712592","DOIUrl":"https://doi.org/10.1109/ISABEL.2008.4712592","url":null,"abstract":"Computer networks and especially the Internet have significantly influenced the diffusion of online games through remote opponents. However, the usual interfaces for board games are based on the visual channel. For example, they require players to check their moves on a video display and to interact using pointing devices, e.g., a mouse. Hence, they are not suitable for the people who have visual impairments. The present paper discusses a multipurpose system for board games that allows blind and deafblind people playing chess or other board games over a network. In particular, we describe a prototype of a special interactive haptic device to play online board games receiving feedback about the game on a dual tactile feedback.","PeriodicalId":435116,"journal":{"name":"2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126466205","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: 0
Self-organizing network architecture for scalable, adaptive, and robust networking 自组织网络架构，用于可伸缩、自适应和健壮的网络
2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies Pub Date : 2008-12-16 DOI: 10.1109/ISABEL.2008.4712597
N. Wakamiya, S. Arakawa, M. Murata
{"title":"Self-organizing network architecture for scalable, adaptive, and robust networking","authors":"N. Wakamiya, S. Arakawa, M. Murata","doi":"10.1109/ISABEL.2008.4712597","DOIUrl":"https://doi.org/10.1109/ISABEL.2008.4712597","url":null,"abstract":"A new generation network is requested to accommodate a enormous amount of nodes with high diversity and a wide variety of traffic and applications. To achieve higher scalability, adaptability, and robustness than ever before, we propose new network architecture in this paper. The architecture consists of the physical network layer, service overlay network layer, and common network layer mediating them. Nodes and organized networks behave in a self-organizing manner where they operate on local information and interact with each other to provide network services to users and applications. We also allow inter-layer interaction through the common network layer for a network system to be self-organized as a whole and effectively and efficiently react to unexpected failure.","PeriodicalId":435116,"journal":{"name":"2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127395279","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: 6
Particle filtering and information fusion of innovative location and tracking device targeting GPS hostile environments 针对GPS敌对环境的新型定位跟踪装置的粒子滤波与信息融合
2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies Pub Date : 2008-12-16 DOI: 10.1109/ISABEL.2008.4712588
R. Owusu
{"title":"Particle filtering and information fusion of innovative location and tracking device targeting GPS hostile environments","authors":"R. Owusu","doi":"10.1109/ISABEL.2008.4712588","DOIUrl":"https://doi.org/10.1109/ISABEL.2008.4712588","url":null,"abstract":"An approximate particle filter and sensor fusion solution in pedestrian tracking for integrating a global position system (GPS) and dead reckoning (DR) from a Stochastic Bayesian perspective for State Space Models is proposed. It is assumed that estimates obtained from the GPS receiver are correct if the GPS quality is good. Therefore estimates from the GPS receiver serves as a primary input into the integrated system whenever both the GPS receiver is on and the signal quality is good. The Suboptimal estimation technique for the DR sensor is based on particle filtering. The DR module takes inputs from an accelerometer based pedometer and a particle filtering method is used for estimating the state of the DR sensor. A sensor fusion model incorporating an exponential smoothing-based smoother/filter/predictor is finally used to integrate the DR sensor and the GPS receiver. The output of the sensor fusion algorithm is constructed as a function of the GPS receiver and DR sensor. At any state, higher weight is assigned to the sensor with minimum error. GPS positioning is weighted more heavily as long as the GPS parameters (DOP, number of satellites, signal quality) indicates good and reliable performance.","PeriodicalId":435116,"journal":{"name":"2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126112446","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: 4
An application of the multilevel DG-FDTD to the study of a medical implant antenna in different body models 多电平DG-FDTD在医学植入体不同模型天线研究中的应用
2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies Pub Date : 2008-10-26 DOI: 10.1109/ISABEL.2008.4712604
C. Miry, R. Gillard, R. Loison
{"title":"An application of the multilevel DG-FDTD to the study of a medical implant antenna in different body models","authors":"C. Miry, R. Gillard, R. Loison","doi":"10.1109/ISABEL.2008.4712604","DOIUrl":"https://doi.org/10.1109/ISABEL.2008.4712604","url":null,"abstract":"In this paper, we propose to use the multi-level DG-FDTD approach to analyze the evolution of the transmission coefficient between an implanted antenna in two different simplified body models (an homogeneous one and a three-layered one) and a 0.5lambda0 dipole in free space at various distances from the body model. The effectiveness of the multilevel DG-FDTD is compared to the classical DG-FDTD method.","PeriodicalId":435116,"journal":{"name":"2008 First International Symposium on Applied Sciences on Biomedical and Communication Technologies","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116933767","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: 0
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