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2019 IEEE 10th Annual Ubiquitous Computing, Electronics & Mobile Communication Conference (UEMCON)最新文献

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Vision-Based Trainable Robotic Arm for Individuals with Motor Disability 用于运动障碍患者的基于视觉的可训练机械臂
Durga Sundaram, Abhishek Sarode, K. George
This paper presents a trainable robotic arm with vision-based guidance capability. The arm can be trained to perform object manipulation tasks such as picking up an object from a location. The vision-based guidance, that utilizes a low-cost integrated webcam, augments the trainable arm's capability to pick up objects; it assists in situations in which the object to be manipulated is displaced from the location the arm was originally trained to pick up. The experimental results from 10 trails demonstrate the vision-based trainable arm's potential to be utilized as a robotic assistant for individuals with physical functioning difficulties.
提出了一种具有视觉制导能力的可训练机械臂。这只手臂可以被训练来执行物体操作任务,比如从一个地方捡起一个物体。这种基于视觉的制导系统利用了一个低成本的集成网络摄像头,增强了可训练手臂拾取物体的能力;当要操纵的物体从手臂最初训练的位置移开时,它会提供帮助。来自10个试验的实验结果表明,基于视觉的可训练手臂有潜力被用作有身体功能障碍的个人的机器人助手。
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引用次数: 1
Big Data Analytics in Cybersecurity: Network Data and Intrusion Prediction 网络安全中的大数据分析:网络数据和入侵预测
Lidong Wang, Randy Jones
Intrusion detection of computer networks is an important issue in cybersecurity. Networks generate stream data which are big data and often lead to challenges in intrusion detection. The ‘Variety’ and ‘Veracity’ characteristics of big data in network data are studied using $R$ and its functions in this paper. The statistics, correlation, and association of variables in the spam email database ‘spambase’ are analysed. The clustering analysis based on k-means and principal component analysis for the data dimension reduction of the database are performed. Spam-email intrusion is predicted based on the Naïve Bayesian classification and deep learning, respectively. The analytics of missing values and missing data patterns in a large data set of ‘VAST 2013’ (with multiple data types and a huge volume of missing values) is conducted and its missing data patterns are obtained.
计算机网络入侵检测是网络安全中的一个重要问题。网络产生的流数据是大数据,经常给入侵检测带来挑战。本文利用$R$及其函数研究了网络数据中大数据的“多样性”和“真实性”特征。分析了垃圾邮件数据库“spambase”中变量的统计、相关性和关联。基于k-means的聚类分析和主成分分析对数据库进行了数据降维。垃圾邮件入侵预测分别基于Naïve贝叶斯分类和深度学习。对“VAST 2013”大型数据集(数据类型多、缺失量大)的缺失值和缺失数据模式进行分析,得出其缺失数据模式。
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引用次数: 4
A Thermally Regulated Footwear & Alerting System 热调节鞋类和警报系统
William Shue, Nischal Paudyal, Mahmoud Rabiah, D. Dow, Mehmet Ergezer, Mira Yun
Diabetes can impair the circulation of blood in an individual suffering from said illness. Neuropathy, another medical complication of diabetes, inhibits the ability of a patient to sense pain and temperature changes, most often in their hands and feet. These medical complications together can be dangerous as an individual suffering from diabetes may be unable to detect a harmful change in the blood circulation of their feet. Undetected changes may lead to other medical issues such as calluses and foot ulcers. This study developed a prototype device for the insole of an individual's footwear that is capable of monitoring signs which gauge the health of a users feet. Based on the measured temperature of a users feet, a system issued alerts to indicate poor foot health. The insole system included a microcontroller, temperature and humidity sensors, a Bluetooth transceiver and an electrical heating pad. The Bluetooth module communicated with a smartphone application for event recording, alerts and communication with the user and other stakeholders. The prototype developed showed promise. However, further development and testing will be necessary toward deployment.
糖尿病会损害患有上述疾病的人的血液循环。神经病变是糖尿病的另一种医学并发症,它会抑制患者对疼痛和温度变化的感知能力,通常是在手和脚上。这些医学并发症加在一起可能是危险的,因为糖尿病患者可能无法检测到脚部血液循环的有害变化。未被发现的变化可能导致其他医疗问题,如老茧和足部溃疡。这项研究开发了一种用于个人鞋垫的原型装置,能够监测用户脚健康状况的迹象。根据测量到的用户脚部温度,系统会发出警报,提示脚部健康状况不佳。鞋垫系统包括微控制器、温度和湿度传感器、蓝牙收发器和电加热垫。蓝牙模块与智能手机应用程序通信,用于事件记录,警报以及与用户和其他利益相关者的通信。开发的原型显示出了希望。然而,进一步的开发和测试对于部署是必要的。
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引用次数: 1
Estimation of the 2020 US Presidential Election Competition and Election Stratagies 2020年美国总统大选竞争与选举策略预测
A. Kim, Peter Kim
The 2020 US presidential election is still more than a year away, but the media is noisy due to the continuous registration of candidates that will face Trump in the election. Trump has already started to check is rivals through media. So far, Joe Biden and Bernie Sanders seem to have to most possibility to face Trump in the election. Sensitivity analysis was conducted to the data collected from Twitter from the year 2019. The positivity scores have been proved to effect approval ratings, they are estimated to effect the likeliness of becoming the most popular candidate. The data was compared to the past election from 2008, 2012, and 2016. The elections included the past rival background of Obama and McCain, Obama and Romney, Trump and Clinton to show how positive ratings effect the election. Tweets were collected through HTML and Python. The collected data was analyzed using SPSS and MS Excel. Data was defined into three major statuses; positive, negative, and neutral by a lexicon named Valence Aware Dictionary and Sediment Reasoner (VADER). The null hypothesis was rejected through Independent Sample T-Test, Mann-Whitney U Test, Kruskal Wallis Test to show the difference between means. Research results show who will become Trump's estimated competitor for the 2020 election.
距离2020年美国总统大选还有一年多的时间,但由于特朗普将在大选中面对的候选人不断注册,媒体一片嘈杂。特朗普已经开始通过媒体牵制竞争对手。到目前为止,乔·拜登和伯尼·桑德斯似乎最有可能在选举中面对特朗普。对2019年从推特上收集的数据进行敏感性分析。积极的分数已经被证明会影响支持率,据估计,他们会影响成为最受欢迎的候选人的可能性。这些数据与2008年、2012年和2016年的大选进行了比较。选举中还包括奥巴马和麦凯恩、奥巴马和罗姆尼、特朗普和克林顿的竞争背景,以展示积极的支持率对选举的影响。通过HTML和Python收集Tweets。收集的数据采用SPSS和MS Excel进行分析。数据被定义为三种主要状态;积极、消极和中性是由一个名为“价感词典和沉淀推理器”(VADER)的词典来定义的。通过独立样本t检验、Mann-Whitney U检验、Kruskal Wallis检验拒绝原假设,以显示均值之间的差异。研究结果显示,谁将成为特朗普在2020年大选中的预计竞争对手。
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引用次数: 3
Study of mm-sized Coil to Coil Backscatter Based Communication Link 毫米线圈对线圈反向散射通信链路的研究
Xiao Sha, Yasha Karimi, Samir R Das, P. Djurić, M. Stanaćević
Distribution of a large number of mm-sized sensing units in brain is a vision for the next generation of implantable devices for neural recording. Recorded data from the implants is conventionally transferred to a central external device and the bandwidth of the uplink channel is limited by the number of the implanted units. For the first time, we demonstrate the feasibility of local communication between mm-sized coils using backscattering technique which promises to reduce the requirement on the uplink bandwidth between the external device and the implants. To demonstrate the feasibility of the proposed link, two implanted coils located at 14 mm implantation depth are used with the distance between coils of 1.5 mm. The transmitting coil switches between two terminating impedance and the input voltage at the receiving coil is observed in the simulations with a triple-loop inductive link designed at 90 MHz. We show that the voltage difference in the received signal for two transmitting states can be resolved by demodulator of the receiving implant demonstrating the link feasibility. Several simulations show the functionality of the link under wide range of different angular and lateral misalignment.
在大脑中分布大量毫米大小的传感单元是下一代神经记录植入式装置的愿景。从植入物记录的数据通常传输到中央外部设备,并且上行通道的带宽受植入单元的数量的限制。我们首次证明了利用后向散射技术在毫米大小的线圈之间进行局部通信的可行性,该技术有望减少外部器件与植入物之间对上行带宽的要求。为了证明所提出的连接的可行性,使用两个植入线圈,植入深度为14mm,线圈之间的距离为1.5 mm。仿真观察了发射线圈在两个终端阻抗之间的切换和接收线圈输入电压的变化。我们表明,两个发射状态的接收信号中的电压差可以通过接收植入物的解调器来解决,证明了链路的可行性。仿真结果表明,在大范围的不同角度和横向不对准情况下,连杆具有良好的功能。
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引用次数: 0
Deep Learning for Remote Sensing Image Super-Resolution 遥感图像超分辨率的深度学习
Md Reshad Ul Hoque, R. Burks, C. Kwan, Jiang Li
The aim of image super-Resolution (SR) is to enhance image resolution while still retain the integrity of the original image. There are many ongoing types of research on image super-resolution for natural images, but any a few on remote sensing images. In this paper, we proposed deep learning-based image super-resolution techniques, including convolutional neural network (CNN) and generative adversarial network (GAN) to enhance the resolution of remote sensing images by a factor 4. In CNN, it learns an end to end mapping from low-resolution image to high-resolution image whereas, in GAN, the model learns the mapping guided by the GAN loss and gives the sharper appearance in high-resolution images. Our experimental results show that visually GAN models perform well but are inferior to other models in terms of image quality metrics, whereas quantitatively CNN models outperform other super-resolution models.
图像超分辨率(SR)的目标是在保持原始图像完整性的同时提高图像的分辨率。自然图像的超分辨率研究有很多,但遥感图像的超分辨率研究却很少。在本文中,我们提出了基于深度学习的图像超分辨率技术,包括卷积神经网络(CNN)和生成对抗网络(GAN),将遥感图像的分辨率提高了4倍。在CNN中,它学习从低分辨率图像到高分辨率图像的端到端映射,而在GAN中,模型学习由GAN损失引导的映射,并在高分辨率图像中给出更清晰的外观。我们的实验结果表明,视觉GAN模型表现良好,但在图像质量指标方面不如其他模型,而定量CNN模型优于其他超分辨率模型。
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引用次数: 8
Clock Variation Impact on Digital Control System Performance 时钟变化对数字控制系统性能的影响
S. Kuruppu, Alexander Shibilski
Digital controls have become the primary form of control in numerous applications due to the advancements in semiconductor industry and lower cost. Digital control algorithms implemented on digital signal processors (DSPs) or microcontrollers execute the algorithm at a specified clock frequency. Discrete time algorithms such as digital filters and digital PID controllers require the sampling period in the controller design, which is directly related to the microcontroller clock frequency. Due to aging, manufacturing process defects and environment conditions cause the clock frequency to drift from the specification. Such variation affects the discrete time algorithm performance deviate from expected performance.
由于半导体工业的进步和成本的降低,数字控制已成为许多应用中的主要控制形式。在数字信号处理器(dsp)或微控制器上实现的数字控制算法以指定的时钟频率执行算法。离散时间算法如数字滤波器和数字PID控制器在控制器设计中要求采样周期,这直接关系到单片机的时钟频率。由于老化,制造工艺缺陷和环境条件导致时钟频率偏离规范。这种变化会影响离散时间算法的性能偏离预期性能。
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引用次数: 1
Decoding Steady-State Visual Evoked Potentials From EEG Signals: Towards an EEG-Triggered FES System to Restore Hand Grasp Function 从脑电图信号解码稳态视觉诱发电位:迈向脑电图触发FES系统以恢复手抓功能
A. F. R. Olaya, J. Antelis, A. Cerquera
It has been widely reported that patterns of EEG generated when a person performs a mental strategy can be recognized by signal processing algorithms. Among those mental strategies are the EEG-based brain-computer interface (BCI) paradigms. Furthermore, recognized patterns can be used as a source of information for communication to operate devices of BCI. Steady-State Visually Evoked Potentials (SSVEP) is a BCI paradigm that uses EEG brain responses when a subject focuses on a visual stimuli (flickering stimuli). Decoding SSVEP signals refers to identify what stimulus the user focuses on, which could be used as a command for communication or control. The minimum energy combination (MEC) and canonical correlation analysis methods (CCA) have been used in SSVEP-based BCIs due to its high efficiency, robustness, and simple implementation. In the last years, variants of CCA-based SSVEP methods have been reported in literature to improve classification and usability such as filter bank canonical correlation analysis (FBCCA). This paper evaluates the MEC, CCA and FBCCA methods for decoding commands from EEG signals in a SSVEP-based BCI application. It was carried out a set of experiments with five subjects which consist of four flickering stimuli (6.66, 7.5, 8.57 and 10 Hz) showed on a LED monitor. The results showed, for an epoch of 3 s, that CCA and FBCCA methods were able to detect SSVEP with high accuracy: 92.6% for FBCCA and 91.4% for CCA. The classification accuracy was 86.1% for MEC. As future work, FBCCA method will be used to decode user intention to control a closed-loop system based on EEG-triggered FES to restore hand grasp function.
人们已经广泛报道,当一个人执行心理策略时产生的脑电图模式可以通过信号处理算法识别。在这些心理策略中有基于脑电图的脑机接口(BCI)范式。此外,识别的模式可以作为通信的信息源来操作脑机接口设备。稳态视觉诱发电位(SSVEP)是一种脑机接口(BCI)模式,当受试者专注于视觉刺激(闪烁刺激)时,使用脑电图脑反应。解码SSVEP信号是指识别用户关注的刺激,并将其作为通信或控制的命令。最小能量组合方法(MEC)和典型相关分析方法(CCA)具有效率高、鲁棒性好、实现简单等优点,被广泛应用于基于ssvep的脑机接口中。在过去的几年中,文献中报道了基于cca的SSVEP方法的变体,以提高分类和可用性,例如滤波器组典型相关分析(FBCCA)。本文在基于ssvep的脑机接口应用中,对MEC、CCA和FBCCA方法在脑电信号命令解码中的应用进行了评价。实验以5名受试者为实验对象,在LED显示器上显示4种闪烁刺激(6.66、7.5、8.57和10 Hz)。结果表明,在3 s的历元内,CCA和FBCCA方法能够以较高的准确率检测SSVEP: FBCCA为92.6%,CCA为91.4%。MEC的分类准确率为86.1%。在未来的工作中,FBCCA方法将用于解码用户意图,以控制基于脑电图触发FES的闭环系统,以恢复手抓功能。
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引用次数: 2
Stability Improvement of Power Networks using Cluster based Dynamic Excitation of AVR 基于AVR的聚类动态激励提高电网稳定性
B. Abegaz
The dynamic stability of power systems consisting of multiple machines is affected by the excitation of each machine, the system configuration and the loading conditions. In this paper, a method that could improve the dynamic stability of power networks in the presence of internal and external disturbances is presented. Automatic voltage regulator (AVR) based clustering and dynamic excitation of machines is proposed. Distributed perturbations are used to evaluate the stability of an experimental New England 10-machine, 39-bus test system. From the results, it was seen that the proposed clustering-based excitation algorithm could uniquely improve the stability conditions of the perturbed New effectively power system by around 10%, which could not be achieved using other methods.
由多机组成的电力系统的动态稳定性受到各机励磁、系统结构和负载条件的影响。本文提出了一种在存在内外扰动的情况下提高电网动态稳定性的方法。提出了一种基于机器聚类和动态激励的自动电压调节器。采用分布摄动法对新英格兰10机39母线试验系统的稳定性进行了评价。结果表明,本文提出的基于聚类的励磁算法能独特地提高受扰新有效电力系统的稳定条件,提高幅度在10%左右,这是其他方法所不能达到的。
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引用次数: 2
Activity Monitoring System to Support Elderly Independent Living 协助长者独立生活的活动监察系统
Julia Knox, Eric M. Pereira, A. Sousa, D. Dow
The desire to live independently may conflict with safety and practical needs as old age progresses toward a state of frail elderly. With old age the risk of debilitating events rises. Having someone notice such a debilitating state and call for help becomes increasingly important. Thus, many elderly people move out of their independent residence and into a group setting, such as a nursing home, but with associated risk of depression, decline in self-confidence or self-determination. An activity monitoring system with sensors both on-body and in-home, which would detect possible debilitating events and send alerts for help, could allow some elderly people to maintain independent living. This project developed prototype modules to track room location, heart rate, and fall detection through sensors connected to a hub microcontroller system. A prototype system was developed and tested. The system shows promise but needs further development and testing before deployment.
随着老年人逐渐进入体弱状态,独立生活的愿望可能与安全和实际需要相冲突。随着年龄的增长,衰弱事件的风险也在上升。让别人注意到这种虚弱的状态并寻求帮助变得越来越重要。因此,许多老年人搬出他们的独立住所,搬进集体环境,如养老院,但与此相关的是抑郁、自信或自决能力下降的风险。一种带有传感器的活动监测系统,可以在身体上和家里同时检测到可能的衰弱事件,并发出警报寻求帮助,可以让一些老年人保持独立的生活。该项目开发了原型模块,通过连接到集线器微控制器系统的传感器来跟踪房间位置、心率和跌倒检测。开发并测试了一个原型系统。该系统前景光明,但在部署前需要进一步开发和测试。
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引用次数: 3
期刊
2019 IEEE 10th Annual Ubiquitous Computing, Electronics & Mobile Communication Conference (UEMCON)
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