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2019 9th International Conference on Computer and Knowledge Engineering (ICCKE)最新文献

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An Effective Application of Obfuscated TMR to Tackle Hardware Trojans 模糊TMR在处理硬件木马中的有效应用
Pub Date : 2019-10-01 DOI: 10.1109/ICCKE48569.2019.8964879
Masoume Mehdinia Siboni, Seyed Mohammadhossein Shekarian
Redundancy-based techniques are used in the literature to neutralize the effects of hardware Trojan horses (HTHs). However, the available techniques assume that HTHs cannot be inserted into the replicated logic, without introducing recognizable changes in the side effects of the circuit. In this paper, we discuss the limitations of this assumption. We demonstrate that fault-tolerant techniques should be enhanced by obfuscation methods to be actually effective, and we propose a novel obfuscated TMR (Triple Modular Redundancy) to prove the concept. We evaluated the effectiveness of our approach on ISCAS benchmarks. The results show that Trojans would incur about 18% higher detection risk in average, if attackers try to deceive the obfuscated TMR.
文献中使用基于冗余的技术来消除硬件特洛伊木马(HTHs)的影响。然而,现有的技术假设HTHs不能插入到复制的逻辑中,而不会在电路的副作用中引入可识别的变化。在本文中,我们讨论了这一假设的局限性。我们证明了容错技术应该通过混淆方法来增强才能真正有效,并提出了一种新的混淆TMR(三模冗余)来证明这一概念。我们在ISCAS基准上评估了我们的方法的有效性。结果表明,如果攻击者试图欺骗混淆后的TMR,特洛伊木马的检测风险平均会增加18%左右。
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引用次数: 1
Efficient Noise Level Estimation Using Orientational Gradient Statistics 基于方向梯度统计的高效噪声级估计
Pub Date : 2019-10-01 DOI: 10.1109/ICCKE48569.2019.8965154
Maryam Karimi, Mahsa Mozafari, K. Bashiri
noise level is an important parameter to improve the performance of many image processing applications. Natural scenes follow special statistics independent of the image contents. These statistical characteristics change under the effects of distortions. Therefore, they can help image processing algorithms to estimate the noise level of input images. We devised a noise level estimation method based on the statistics of orientational differences between image pixel values and those of their neighbors. The proposed approach outperforms the state-of-the-art especially for higher noise levels. This variance estimation approach is effective for both Gaussian and non-Gaussian additive noises. In addition to the high accuracy, because of not using any normalization or image transformation, the proposed method is quite fast and completely useful for real-time applications.
噪声水平是提高许多图像处理应用性能的一个重要参数。自然场景遵循独立于图像内容的特殊统计。这些统计特征在扭曲的影响下发生变化。因此,它们可以帮助图像处理算法估计输入图像的噪声水平。我们设计了一种基于图像像素值与相邻像素值方向差异统计的噪声级估计方法。建议的方法优于最先进的技术,特别是在较高的噪音水平。这种方差估计方法对高斯和非高斯加性噪声都有效。该方法不仅精度高,而且由于不使用任何归一化和图像变换,因此速度非常快,完全适用于实时应用。
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引用次数: 1
A Prediction-Based Approach for Computing Robust Rating Scores 一种基于预测的鲁棒评分计算方法
Pub Date : 2019-10-01 DOI: 10.1109/ICCKE48569.2019.8964992
Mohammad Allahbakhsh, R. Rafat, Fariba Layegh Rafat
Assessing quality of products, especially when purchased online, is always a challenge. One of the widely used approaches for addressing this challenge is to rely on the scores computed by online rating systems, based on the feedback received from other users. For several reasons, like gaining benefits, personal interests or collusion, rating systems have always been facing with challenge of dishonest feedback. Although many techniques have been proposed for collusion detection, there are still issues that need more investigations. One of these issues is dealing with the sparsity problem, i.e., small number of votes per product, which makes it easier to manipulate scores. In this paper we propose a novel technique for calculating robust rank scores which relies on feedback prediction. In our model, we improve quality of computed scores by predicting feedback, for the people who have not assessed a product. This will result in decreasing sparsity. Then, we propose an iterative technique to calculate product rating scores based on the real and predicted feedbacks. We have implemented our method and compared its performance with three well-known related works. The result of comparison shows the superiority of our model.
评估产品的质量,尤其是在网上购买的产品,一直是一个挑战。解决这一挑战的一种广泛使用的方法是依靠在线评分系统根据其他用户的反馈计算出的分数。由于获取利益、个人利益或共谋等原因,评级系统一直面临着不诚实反馈的挑战。虽然已经提出了许多合谋检测技术,但仍有一些问题需要进一步研究。其中一个问题是处理稀疏性问题,即每个产品的投票数量较少,这使得操纵分数变得更容易。本文提出了一种基于反馈预测的鲁棒等级分数计算方法。在我们的模型中,我们通过预测没有评估产品的人的反馈来提高计算分数的质量。这将导致稀疏性的降低。然后,我们提出了一种基于真实反馈和预测反馈计算产品评级分数的迭代技术。我们已经实现了我们的方法,并将其性能与三个知名的相关作品进行了比较。对比结果表明了模型的优越性。
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引用次数: 2
ELS: An Hard Real-time Scheduler for Homogeneous Multi-core Platforms ELS:同构多核平台的硬实时调度器
Pub Date : 2019-10-01 DOI: 10.1109/ICCKE48569.2019.8964674
Mahdi Masoudi, Amir Rajabzadeh
This paper presents a scheduler, called ELS (based on the combination of EDF, LLF, and SJF algorithms), for hard real-time tasks in a homogeneous multi-core platform with the aim of increasing system performance (success rate). To obtain a suitable scheduling, ELS exploits the combination of three EDF (Earliest Deadline First), modified LLF (Least Laxity First) and SJF (Shortest Job First) scheduling algorithms in different task conditions. The core principle behind the ELS is choosing tasks based on the laxity ratio to the worst case execution time. The ELS scheduler was simulated in SimSO standard simulator in two cases, i.e., quad and eight-core platforms. The results of the experiments on 100 randomized tasks generated by the RandFixedSum algorithm showed that the success rate has improved on average 10%, 14.1%, 10.8%, and 33.3% compared to the EDF, SJF, LLF, and RM (Rate monotonic) respectively in a quad-core platform. Also, the success rate in an eight-core platform has improved about 31.6%, 21.6%, 6.6%, and 38.3% compared to EDF, SJF, LLF, and RM respectively.
本文提出了一种称为ELS的调度器(基于EDF、LLF和SJF算法的组合),用于同构多核平台中的硬实时任务,目的是提高系统性能(成功率)。为了获得合适的调度,ELS在不同的任务条件下结合了三种EDF(最早截止日期优先)、改进的LLF(最小松弛优先)和SJF(最短作业优先)调度算法。ELS背后的核心原则是根据松弛率与最坏情况执行时间的比率来选择任务。在SimSO标准模拟器中对ELS调度器进行了四核和八核两种情况下的仿真。对RandFixedSum算法生成的100个随机任务的实验结果表明,在四核平台上,与EDF、SJF、LLF和RM (rate monotonic)相比,成功率平均提高了10%、14.1%、10.8%和33.3%。与EDF、SJF、LLF和RM相比,八核平台的成功率分别提高了31.6%、21.6%、6.6%和38.3%。
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引用次数: 0
Finite-Time Control of a Parallelogram Five-Bar Manipulator Based on Fractional-Order Approach 基于分数阶方法的平行四边形五杆机械臂有限时间控制
Pub Date : 2019-10-01 DOI: 10.1109/ICCKE48569.2019.8964947
Nazila Nikdel, M. Badamchizadeh
Finite-time controlling of a five-bar linkage arm is investigated in this paper. The manipulator has a parallelogram structure which is not stable and has a nonlinear equation of motion. Besides, external perturbations, as well as modeling uncertainties, can disturb the system response. A PSO-optimized (particle swarm optimization) finite-time control approach is presented for the manipulator utilizing fractional calculus framework to realize an acceptable performance. Designing a controller based on fractional Lyapunov theories, the plan stability is ascertained. A variety of simulations are conducted to expose the capability of suggested strategy to control the manipulator efficaciously.
研究了五杆机构臂的有限时间控制问题。该机械手为平行四边形结构,不稳定且具有非线性运动方程。此外,外部扰动以及建模的不确定性也会干扰系统的响应。提出了一种基于分数阶微积分框架的粒子群优化(pso)有限时间控制方法。设计了基于分数李雅普诺夫理论的控制器,确定了方案的稳定性。通过各种仿真来验证所提出的策略对机械臂的有效控制能力。
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引用次数: 0
Designing of Communication Systems in Advanced Metering Infrastructure (AMI) using Wi-Fi Offloading Technology 基于Wi-Fi卸载技术的高级计量基础设施通信系统设计
Pub Date : 2019-10-01 DOI: 10.1109/ICCKE48569.2019.8964924
M. Shahraeini, Zeinab Farmani
Smart grid denotes creating a two-way communication infrastructure connected to the electrical infrastructure. One of the most important steps of establishing smart grids in distribution level is the implementation of Advanced Metering Infrastructure (AMI). A variety of methods have been proposed to create a suitable platform for AMI, one of the most widely used of which is the use of data services of cellular networks. On the other hand, data volume in cellular networks has risen sharply and the need for data traffic management is highly felt. The Wi-Fi Offloading technique is one of the optimal methods for data traffic management in cellular networks. This study is assigned to the design of a data offloading platform for AMI. The proposed problem has been implemented and solved in the form of an optimization problem with a genetic algorithm. The simulation results indicate that data offloading has the ability for 100% management of AMI traffic. The results also show that increasing the coverage range of Wi-Fi antenna has a better performance than increasing the number of Wi-Fi access points.
智能电网是指建立与电力基础设施相连的双向通信基础设施。在配电网层面建立智能电网的重要步骤之一是先进计量基础设施(AMI)的实施。人们提出了多种方法来创建适合AMI的平台,其中使用最广泛的方法之一是使用蜂窝网络的数据业务。另一方面,蜂窝网络的数据量急剧增加,对数据流量管理的需求日益突出。Wi-Fi卸载技术是蜂窝网络中数据流量管理的最佳方法之一。本研究的课题是AMI数据卸载平台的设计。该问题以遗传算法优化问题的形式实现并求解。仿真结果表明,数据分流具有100%管理AMI流量的能力。结果还表明,增加Wi-Fi天线的覆盖范围比增加Wi-Fi接入点的数量具有更好的性能。
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引用次数: 3
An Automatic Generation of Android Application for WooCommerce WooCommerce Android应用程序的自动生成
Pub Date : 2019-10-01 DOI: 10.1109/ICCKE48569.2019.8964732
Mohammad-Hadi Dehghani, S. Kolahdouz-Rahimi
Smartphone technology affects every aspect of human life nowadays. Especially there is an increasing demand for online shopping through smartphones instead of websites. Therefore, to preserve the customers in the business, it is essential to keep up with the latest trends and convert the business websites to the equivalent mobile applications. Transforming a website to a mobile application efficiently and rapidly is of high demand from sellers with no programming knowledge. However, it is not a trivial task with the existence of complex websites for a variety of domains. WooCommerce with many E-Commerce functionalities and special customization features is one of the commonly-used E-Commerce platforms in the community. It is built on top of WordPress and operates over a large number of online stores. This research provides a unified framework for the transformation of WooCommerce websites to Android as the most widely-used mobile operating system. The Model-Driven Engineering (MDE) is applied for the development of the framework, which provides an efficient way to automatically generate an Android implementation by focusing the attention of software developers from the low level of implementation to the high level of design.
智能手机技术影响着当今人类生活的方方面面。尤其是通过智能手机而不是网站进行网上购物的需求越来越大。因此,为了在业务中保留客户,必须跟上最新的趋势,并将商业网站转换为等效的移动应用程序。对于没有编程知识的卖家来说,高效、快速地将网站转换为移动应用程序是一个很高的要求。然而,这并不是一个微不足道的任务与各种领域的复杂网站的存在。WooCommerce具有许多电子商务功能和特殊的定制特性,是社区中常用的电子商务平台之一。它建立在WordPress之上,在大量的在线商店上运行。本研究为WooCommerce网站向使用最广泛的移动操作系统Android的转型提供了一个统一的框架。该框架的开发采用了模型驱动工程(Model-Driven Engineering, MDE),通过将软件开发人员的注意力从低层次的实现集中到高层次的设计,提供了一种自动生成Android实现的有效方法。
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引用次数: 2
Tennis stroke detection using inertial data of a smartwatch 利用智能手表的惯性数据进行网球击球检测
Pub Date : 2019-10-01 DOI: 10.1109/ICCKE48569.2019.8964775
S. Taghavi, Fardjad Davari, H. Malazi, Ahmad Ali Abin
To assist individuals in sports activities is one of the emerging areas of wearable applications. Among various kinds of sports, detecting tennis strokes faces unique challenges. In this sport the speed of strokes is high, enforcing wearable sensors to have high sampling rates, high-speed bus (to transfer the data to the processor), and the most importantly adequate size of high-speed memory. The constraints encourage researchers to design a custom made hardware to cope with the challenges. The research question that we are trying to address is to show how accurate a commercial smartwatch can detect tennis strokes by using various techniques in machine learning. In this paper, we propose an approach to detect three tennis strokes by utilizing a smartwatch. In our method, the smartwatch is part of a wireless network in which inertial data file is transferred to a laptop where data prepossessing and classification is performed. The data file contains acceleration and angular velocity data of the 3D accelerometer and gyroscope. We also enhanced our method with data prepossessing techniques to elevate data quality. The evaluation of our devised method shows promising results compared to a similar method.
协助个人进行体育活动是可穿戴应用的新兴领域之一。在各种运动中,网球击球的检测面临着独特的挑战。在这项运动中,笔划的速度很高,迫使可穿戴传感器具有高采样率,高速总线(将数据传输到处理器),最重要的是高速存储器的足够大小。这些限制促使研究人员设计一种定制的硬件来应对挑战。我们试图解决的研究问题是,通过使用机器学习中的各种技术,展示商用智能手表检测网球击球的准确性。在本文中,我们提出了一种利用智能手表检测三次网球击球的方法。在我们的方法中,智能手表是无线网络的一部分,其中惯性数据文件被传输到笔记本电脑中,并进行数据预处理和分类。数据文件包含三维加速度计和陀螺仪的加速度和角速度数据。我们还利用数据预处理技术改进了我们的方法,以提高数据质量。与同类方法相比,我们设计的方法的评价显示出良好的结果。
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引用次数: 4
DMap: A Distributed Blockchain-based Framework for Online Mapping in Smart City DMap:一个基于区块链的智能城市在线地图框架
Pub Date : 2019-08-18 DOI: 10.1109/ICCKE48569.2019.8964723
Fatemeh MohammadZadeh, S. A. Mirghasemi, A. Dorri, H. Ahmadifar
Smart cities are growing significantly due to the growth of smart connected vehicles and Internet of Things (IoT) where a wide range of devices are connected to share data. Online mapping is one of the fundamental services offered in smart cities which enables the vehicle owners to find shortest or fastest direction toward a destination thus reduces travel cost and air pollution. However, existing online mapping services rely on centralized servers, e.g., Google, which collect data from users to offer service. This method is unlikely to scale with growth in the smart city participants and introduces privacy concerns and data wall where data of the users is managed by big companies. To address these challenges, in this paper we introduce DMap, a blockchain-based platform where the users can share data in an anonymous distributed manner with service providers. To the best of our knowledge, DMap is the first distributed blockchain-based solution for online mapping. To improve the scalability of the blockchain, we propose to use edge-computing along with blockchain. To protect against malicious vehicles that may inject false data, we define a reputation system where the collected data of the vehicles is verified by monitoring the neighbor data. We introduce data marketplace where users can trade their data to address data wall challenge.
由于智能互联汽车和物联网(IoT)的增长,智能城市正在显着增长,其中连接了各种设备以共享数据。在线地图是智能城市提供的基本服务之一,它使车主能够找到通往目的地的最短或最快的方向,从而降低旅行成本和空气污染。然而,现有的在线地图服务依赖于集中式服务器,例如Google,它从用户那里收集数据来提供服务。这种方法不太可能随着智慧城市参与者的增长而扩展,并且引入了隐私问题和数据墙,其中用户的数据由大公司管理。为了应对这些挑战,在本文中,我们介绍了DMap,这是一个基于区块链的平台,用户可以以匿名的分布式方式与服务提供商共享数据。据我们所知,DMap是第一个基于分布式区块链的在线地图解决方案。为了提高区块链的可扩展性,我们建议将边缘计算与区块链一起使用。为了防止恶意车辆注入虚假数据,我们定义了一个信誉系统,其中车辆收集的数据通过监控邻居数据来验证。我们引入了数据市场,用户可以在其中交易他们的数据,以解决数据墙的挑战。
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引用次数: 2
期刊
2019 9th International Conference on Computer and Knowledge Engineering (ICCKE)
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