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2018 IEEE Symposium on Computer Applications & Industrial Electronics (ISCAIE)最新文献

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Different neural networks approaches for identification of obstructive sleep apnea 识别阻塞性睡眠呼吸暂停的不同神经网络方法
Pub Date : 2018-07-05 DOI: 10.1109/ISCAIE.2018.8405485
Sarah Qasim Ali, A. Hossen
Obstructive sleep apnea (OSA) is one of the most common breathing-related sleep disorders affecting individuals of different age groups, genders and origins. It is characterized by short-duration of cessations in breathing during sleep due to the collapse of the upper airway. The golden standard and reliable test for the detection of OSA is conducted by specialized physicians performing a polysomnographic sleep study. However, this test is time/labor consuming, expensive and cumbersome. In this paper, a non-invasive technique employing three different artificial neural networks to analyze spectral and statistical features of the Heart Rate Variability (HRV) signal to identify OSA subjects from normal control is investigated. The artificial networks include the single perceptron network, the feedforward network with back-propagation and the probabilistic neural network. The highest performance on MIT standard data is achieved by the feedforward network with back propagation using wavelet-based frequency domain features with specificity, sensitivity, and accuracy of 90%, 100% and 96.67%, respectively.
阻塞性睡眠呼吸暂停(OSA)是最常见的与呼吸有关的睡眠障碍之一,影响着不同年龄组、性别和出身的个体。它的特点是睡眠时由于上呼吸道塌陷而短暂停止呼吸。检测阻塞性睡眠呼吸暂停的黄金标准和可靠测试是由专业医生进行多导睡眠图睡眠研究进行的。然而,这个测试是费时费力的,昂贵的和繁琐的。本文研究了一种非侵入性技术,利用三种不同的人工神经网络来分析心率变异性(HRV)信号的频谱和统计特征,以从正常对照中识别OSA受试者。人工网络包括单感知器网络、带反向传播的前馈网络和概率神经网络。使用基于小波的频域特征进行反向传播的前馈网络在MIT标准数据上的性能最高,其特异性、灵敏度和准确性分别为90%、100%和96.67%。
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引用次数: 8
The development of sports science knowledge management systems through CommonKADS and digital Kanban board 通过CommonKADS和数字看板开发体育科学知识管理系统
Pub Date : 2018-07-05 DOI: 10.1109/ISCAIE.2018.8405455
Sirikorn Santirojanakul
The role of the sports scientist is becoming more complex and deals with high risk regarding the future of athletes. The challenge of this study is to address the lack of collaboration among stakeholders. The traditional reporting system between experts and others stakeholders creates more waiting time. This research develops the Sports Science Knowledge Management system (SSKM) based on the Common KADS and Kanban board. CommonKADS is one of the effective modeling frameworks used for investigating both the organization model and task model. The Sport Authority of Thailand (SAT), was selected as a case study to propose this framework. The results have shown that SSKM can be utilized to improve the performance of the sports scientist's reporting system. Furthermore, the digital Kanban board can support collaboration and communication challenges that occur within the sports scientists, executive, staff, and sport association. This digital Kanban board can create a helpful method for managing workflow and measuring the outcomes of multifaceted task. The digital Kanban board display types of sport competitions, sports associations, sports scientists, and athletic evaluations.
运动科学家的角色正变得越来越复杂,并处理有关运动员未来的高风险。本研究的挑战在于解决利益相关者之间缺乏合作的问题。专家和其他利益相关者之间的传统报告系统造成了更多的等待时间。本研究开发了基于通用KADS和看板的运动科学知识管理系统(SSKM)。CommonKADS是用于研究组织模型和任务模型的有效建模框架之一。泰国体育局(SAT)被选为提出这一框架的案例研究。结果表明,SSKM可以用于提高体育科学家报告系统的性能。此外,数字看板可以支持体育科学家、高管、员工和体育协会内部的协作和沟通挑战。这个数字看板可以为管理工作流程和衡量多方面任务的结果创造一种有用的方法。数字看板显示体育竞赛、体育协会、体育科学家和运动评估的类型。
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引用次数: 4
Timing analysis for Diffie Hellman Key Exchange In U-BOOT using Raspberry pi U-BOOT中Diffie Hellman密钥交换的时序分析
Pub Date : 2018-07-05 DOI: 10.1109/ISCAIE.2018.8405472
Yasin Fitri Alias, H. Hashim
In Diffie-Hellman Key Exchange (DHKE), two parties need to communicate to each other by sharing their secret key (cipher text) over an unsecure communication channel. An adversary or cryptanalyst can easily get their secret keys but cannot get the information (plaintext). Brute force is one the common tools used to obtain the secret key, but when the key is too large (etc. 1024 bits and 2048 bits) this tool is no longer suitable. Thus timing attacks have become more attractive in the new cryptographic era where networked embedded systems security present several vulnerabilities such as lower processing power and high deployment scale. Experiments on timing attacks are useful in helping cryptographers make security schemes more resistant. In this work, we timed the computations of the Discrete Log Hard Problem of the Diffie Hellman Key Exchange (DHKE) protocol implemented on an embedded system network and analyzed the timing patterns of 1024-bit and 2048-bit keys that was obtained during the attacks. We have chosen to implement the protocol on the Raspberry-pi board over U-BOOT Bare Metal and we used the GMP bignum library to compute numbers greater than 64 bits on the embedded system.
在Diffie-Hellman密钥交换(DHKE)中,双方需要通过不安全的通信通道共享密钥(密文)进行通信。攻击者或密码分析者可以很容易地获得他们的密钥,但无法获得信息(明文)。暴力破解是一种常用的获取密钥的工具,但是当密钥太大(例如1024位和2048位)时,这种工具就不再适用了。因此,在新的密码学时代,网络嵌入式系统安全存在着处理能力低、部署规模大等漏洞,定时攻击变得更加具有吸引力。定时攻击的实验有助于密码学家使安全方案更具抵抗力。在这项工作中,我们对在嵌入式系统网络上实现的Diffie Hellman密钥交换(DHKE)协议的离散日志难题的计算进行了计时,并分析了在攻击期间获得的1024位和2048位密钥的计时模式。我们选择在树莓派板上实现协议,而不是U-BOOT Bare Metal,我们使用GMP bignum库在嵌入式系统上计算大于64位的数字。
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引用次数: 1
Exploring antecedent factors toward knowledge sharing intention in E-learning 网络学习中知识共享意愿的前因因素探讨
Pub Date : 2018-07-05 DOI: 10.1109/ISCAIE.2018.8405453
Raisiffah Kunthi, R. Wahyuni, Mochammad Umar Al-Hafidz, D. I. Sensuse
This study explained factors in terms of intention to sharing knowledge among students in e-learning contexts. For this purpose, we adopt social cognitive theory (knowledge self-efficacy), social exchange theory (trust, perceived status), activity theory (learning outcomes), Technology Acceptance Model (perceived usefulness), and additional construct (knowledge power) to understand antecedent factor affecting knowledge sharing intention in e-learning. A survey from 152 respondents and data analyzed data using SmartPLS 3.0 showed that learning outcomes, knowledge self-efficacy and trust has a positive impact on knowledge sharing among students. In contrast, knowledge power, perceived usefulness and perceived status has a negative impact on student intention to sharing knowledge sharing in e-learning.
本研究从电子学习情境下学生分享知识意愿的角度解释相关因素。为此,我们采用社会认知理论(知识自我效能)、社会交换理论(信任、感知状态)、活动理论(学习成果)、技术接受模型(感知有用性)和附加结构(知识权力)来理解影响网络学习中知识共享意愿的前因。通过对152名被调查者的调查和使用SmartPLS 3.0进行的数据分析表明,学习成果、知识自我效能感和信任对学生之间的知识共享有正向影响。知识权力、感知有用性和感知地位对学生在网络学习中分享知识的意愿有负向影响。
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引用次数: 5
Effects of permanent and recoverable component of NBTI mechanisms on flip flop circuits designed using planar MOSFET and FinFET NBTI机制的永久和可恢复分量对采用平面MOSFET和FinFET设计的触发器电路的影响
Pub Date : 2018-07-05 DOI: 10.1109/ISCAIE.2018.8405460
M. F. Zainudin, H. Hussin, A. Halim, J. Karim
Negative Bias Temperature Instability has causes a negative impact to a circuit performance due to the NBTI-induced positive charges that causes a shifts in threshold voltage. However, the impact of NBTI mechanism on a new FinFET devices compare to a conventional planar MOSFET devices are currently not well-understood. Not only that, a circuit reliability study related to NBTI effect on different defect mechanism has not yet been studied extensively. In this work, a numerical simulation based on interface traps and oxide traps is used on both MOSFET and FinFET devices by using MOSRA model. The results shown that FinFET model is degraded due to NBTI compared to MOSFET device. However, the circuit delay and the power consumption of FinFET device has better performance compared to MOSFET device.
负偏置温度不稳定性会对电路性能产生负面影响,因为nbti诱导的正电荷会导致阈值电压的偏移。然而,与传统平面MOSFET器件相比,NBTI机制对新型FinFET器件的影响目前尚不清楚。不仅如此,与NBTI对不同缺陷机制的影响相关的电路可靠性研究尚未得到广泛的研究。本文采用MOSRA模型对MOSFET和FinFET器件进行了基于界面陷阱和氧化物陷阱的数值模拟。结果表明,与MOSFET器件相比,NBTI对FinFET模型有一定的影响。然而,FinFET器件的电路延迟和功耗与MOSFET器件相比具有更好的性能。
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引用次数: 2
Classification of twilight zone proteins using a structure-based phylogenetic approach 利用基于结构的系统发育方法对模糊带蛋白进行分类
Pub Date : 2018-07-05 DOI: 10.1109/ISCAIE.2018.8405437
Siti Aisyah Mohd Taha, Y. Zakaria
The emerging knowledge in drug discovery has heightened the need to study the classification of proteins in order to understand their structure, functions and evolutionary relationship. Due to high vulnerability of protein sequence to change throughout evolution, it is difficult to identify protein homology of distant evolutionarily-related proteins. These proteins are also known to be structurally homologous, thus, the structural approach was a more suitable method. This study focused on the methods for classifying twilight zone proteins using structure-based phylogenetic approach. However, since protein homology plays a major role in protein classification, finding the best alignment tool is the most crucial step. The classification of proteins was constructed by clustering 15 folds at their superfamily level. These proteins belonged to four main SCOPe classes which are the all alpha proteins (Class A), all beta proteins (Class B), wound alpha beta proteins (Class C) and mixed alpha beta proteins (Class D). Protein homology was identified using structural alignment tools which are FATCAT-F and FATCAT-R, while the sequence alignment was conducted using T-COFFEE. Classification tree was constructed using the Unweighted Pair Group Method of Arithmetic Mean (UPGMA) and the clusters were validated using Adjusted Rand Index (ARi), pseudo-jackknife confidence interval and manual observation of clusters. Results show that the structural approach produced better classification than the sequence-based method by producing clusters with higher resemblance to SCOPe for three main SCOPe classes (Class A, Class C and Class D). Moreover, FATCAT-R was able to cluster proteins more accurately than FATCAT-F with higher ARi results for a majority of protein folds. On the other hand, T-COFFEE was able to cluster Class B proteins more accurately than FATCAT-F and FATCAT-R.
药物发现方面的新知识提高了对蛋白质分类研究的需要,以便了解它们的结构、功能和进化关系。由于蛋白质序列在整个进化过程中极易发生变化,因此很难鉴定远缘进化相关蛋白的蛋白质同源性。这些蛋白质在结构上也是同源的,因此,结构方法是更合适的方法。本研究的重点是利用基于结构的系统发育方法对模糊带蛋白进行分类。然而,由于蛋白质同源性在蛋白质分类中起着重要作用,寻找最佳的比对工具是最关键的一步。在超家族水平上聚类15次,构建了蛋白质的分类。这些蛋白属于4个主要的SCOPe类,即全α蛋白(A类)、全β蛋白(B类)、缠绕α β蛋白(C类)和混合α β蛋白(D类)。使用结构比对工具FATCAT-F和FATCAT-R鉴定蛋白同源性,并使用T-COFFEE进行序列比对。采用UPGMA (Unweighted Pair Group Method of Arithmetic Mean)构建分类树,并采用调整后Rand指数(Adjusted Rand Index, ARi)、伪折刀置信区间(pseudo-jackknife confidence interval)和人工观察对聚类进行验证。结果表明,与基于序列的方法相比,结构方法的分类效果更好,对三个主要的SCOPe类别(A类、C类和D类)产生的聚类与SCOPe相似度更高。此外,FATCAT-R能够比FATCAT-F更准确地聚类蛋白质,对大多数蛋白质折叠具有更高的ARi结果。另一方面,T-COFFEE能够比FATCAT-F和FATCAT-R更准确地聚类B类蛋白。
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引用次数: 0
Improved recurrent NARX neural network model for state of charge estimation of lithium-ion battery using pso algorithm 基于粒子群算法的锂离子电池充电状态估计改进NARX神经网络模型
Pub Date : 2018-07-05 DOI: 10.1109/ISCAIE.2018.8405498
M. Lipu, A. Hussain, M. Saad, A. Ayob, M. A. Hannan
This paper aims to develop an accurate estimation technique for computing state of charge (SOC) of a lithium-ion battery using recurrent neural network algorithm. Nonlinear autoregressive with exogenous input (NARX) model is a well-known subclass of the recurrent neural network which has proven to be very effective and computationally rich for controlling dynamic system and predicting time series. However, the accuracy of recurrent NARX neural network depends on the amount of input and output order as well as a number of neurons in a hidden layer. Therefore, this study presents an improved recurrent NARX neural network based SOC estimation with particle swarm optimization (PSO) algorithm for finding the best value of input delays, feedback delays and a number of neurons in a hidden layer. The proposed model uses three most significant factor such as current, voltage and temperature without considering battery model. The model robustness is checked at low temperature (0°C), medium temperature (25°C), and high temperature (45°C). The US06 drive cycle is selected for model training and testing. The effectiveness of the proposed approach is compared with the back-propagation neural network (BPNN) optimized by PSO based on the SOC error, root mean square error (RMSE) and mean absolute error (MAE) and average execution time (AET). The results prove that the proposed model has higher estimation speed and achieves higher accuracy in reducing RMSE and MAE by 53% and 50% than BPNN based PSO model at 25°C.
研究了一种基于递归神经网络的锂离子电池荷电状态精确估计技术。非线性外生输入自回归模型(NARX)是递归神经网络的一个分支,在控制动态系统和预测时间序列方面已被证明是非常有效和计算量丰富的。然而,循环NARX神经网络的准确性取决于输入输出顺序的数量以及隐藏层中神经元的数量。因此,本研究提出了一种改进的基于循环NARX神经网络的SOC估计,并结合粒子群优化(PSO)算法来寻找输入延迟、反馈延迟和隐藏层中神经元数量的最佳值。该模型在不考虑电池模型的情况下,使用了电流、电压和温度这三个最重要的因素。在低温(0°C),中温(25°C)和高温(45°C)下检查模型的鲁棒性。选择US06驱动循环进行模型培训和测试。将该方法的有效性与基于SOC误差、均方根误差(RMSE)、平均绝对误差(MAE)和平均执行时间(AET)的PSO优化的反向传播神经网络(BPNN)进行了比较。结果表明,在25°C下,与基于BPNN的PSO模型相比,该模型具有更高的估计速度,RMSE和MAE分别降低了53%和50%。
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引用次数: 19
Cancelable biometrics technique for iris recognition 虹膜识别的可取消生物特征技术
Pub Date : 2018-07-05 DOI: 10.1109/ISCAIE.2018.8405512
Musab A. M. Ali, N. Tahir
Iris recognition is one of the most reliable biometrics for identification purpose in terms of reliability and accuracy. Hence, in this research the integration of cancelable biometrics features for iris recognition using encryption and decryption non-invertible transformation is proposed. Here, the biometric data is protected via the proposed cancelable biometrics method. The experimental results showed that the recognition rate achieved is 99.9% using Bath-A dataset with a maximum decision criterion of 0.97 along with acceptable processing time.
虹膜识别在可靠性和准确性方面是最可靠的生物识别技术之一。因此,本研究提出了一种利用加解密不可逆变换集成可取消生物特征的虹膜识别方法。在这里,通过提出的可取消生物识别方法保护生物识别数据。实验结果表明,在可接受的处理时间和最大决策准则为0.97的情况下,Bath-A数据集的识别率达到99.9%。
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引用次数: 24
Concurrent MAC unit design using VHDL for deep learning networks on FPGA 基于FPGA的深度学习网络并行MAC单元设计
Pub Date : 2018-04-28 DOI: 10.1109/ISCAIE.2018.8405440
Hossam O. Ahmed, M. Ghoneima, M. Dessouky
Deep neural network algorithms have proven their enormous capabilities in wide range of artificial intelligence applications, specially in Printed/Handwritten text recognition, Multimedia processing, Robotics and many other high end technological trends. The most challenging aspect nowadays is to overcome the extremely computational processing demands in applying such algorithms, especially in real-time systems. Recently, the Field Programmable Gate Array (FPGA) has been considered as one of the optimum hardware accelerator platform for accelerating the deep neural network architectures due to its large adaptability and the high degree of parallelism it offers. In this paper, the proposed 8-bits fixed-point parallel multiply-accumulate (MAC) unit architecture aimed to create a fully-customize MAC unit for the Convolutional Neural Networks (CNN) instead of depending on the conventional DSP blocks and embedded memories units on the FPGAs architecture silicon fabrics. The proposed 8-bits fixed-point parallel multiply-accumulate (MAC) unit architecture is designed using VHDL language and can performs a computational speed up to 4.17 Giga Operation per Second (GOPS) using high-density FPGAs.
深度神经网络算法已经在广泛的人工智能应用中证明了其巨大的能力,特别是在印刷/手写文本识别,多媒体处理,机器人和许多其他高端技术趋势中。目前最具挑战性的方面是克服应用这些算法的极端计算处理需求,特别是在实时系统中。近年来,现场可编程门阵列(FPGA)由于其具有较大的适应性和高度的并行性,被认为是加速深度神经网络架构的最佳硬件加速器平台之一。在本文中,提出的8位定点并行乘法累积(MAC)单元架构旨在为卷积神经网络(CNN)创建一个完全定制的MAC单元,而不是依赖于传统的DSP模块和fpga架构硅结构上的嵌入式存储器单元。所提出的8位定点并行乘法累加(MAC)单元架构采用VHDL语言设计,采用高密度fpga可实现高达4.17千兆运算每秒(GOPS)的计算速度。
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引用次数: 13
A promising power-saving technique: Approximate computing 一种很有前途的节能技术:近似计算
Pub Date : 2018-04-28 DOI: 10.1109/ISCAIE.2018.8405486
Junqi Huang, T. Kumar, Haider Abbas
Approximate computing is introduced as an important low-power technology for image processing in recent years. Since a slight decrease in image quality is normally acceptable by human eyes, approximate computing optimizes design by allowing some tolerable errors and sacrificing some accuracy in the computational process. The reduction of computing complexity can thus contribute to the improvement of circuit energy efficiency. This paper reviews existing approximate techniques in image processing field and classifies them into algorithm level, logic level and circuit level. In addition, this paper analyses and highlights the merits of each technique.
近似计算是近年来引入的一种重要的低功耗图像处理技术。由于图像质量的轻微下降通常是人眼可以接受的,近似计算通过允许一些可容忍的误差和牺牲计算过程中的一些精度来优化设计。计算复杂度的降低有助于提高电路的能量效率。本文综述了图像处理领域现有的近似技术,并将其分为算法级、逻辑级和电路级。此外,本文还分析并强调了每种技术的优点。
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引用次数: 5
期刊
2018 IEEE Symposium on Computer Applications & Industrial Electronics (ISCAIE)
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