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

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[ICCKE 2019 Authors]
Pub Date : 2019-10-01 DOI: 10.1109/iccke48569.2019.8964957
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引用次数: 0
Eliminating the Repetitive Motions as a Preprocessing step for Fast Human Action Retrieval 消除重复动作作为快速人体动作检索的预处理步骤
Pub Date : 2019-10-01 DOI: 10.1109/ICCKE48569.2019.8965087
Mohsen Ramezani, F. Yaghmaee
Today, video searching methods dropped behind the growth of using capturing devices. Action retrieval is a new research field which seeks to use the captured human action for searching the videos. As most human actions consist of similar motions which are repeated over time, we seek to propose a method for eliminating the repetitive motions before retrieving the videos. This method, as a preprocessing step, can decrease the volume of the retrieval computations for each video. Here, a function is used to calculate a value per each pixel as its movement energy. Then, CWT (Continuous Wavelet Transform) is used for mapping the response function of the points into the frequency space to find similar motion patterns more easier. The DTW (Dynamic Time Wrapping) is then applied on the new space to find similar frequency patterns (episodes) over time. Finally, one of the similar episodes, i.e. some sequential frames, remains for the retrieval computations and others are eliminated. The proposed method is evaluated on KTH, UCFYT, and HMDB datasets and results indicate the proper performance of the proposed method. Eliminating the repetitive motions results into significant reduction in retrieval computations and time.
如今,视频搜索方法落后于使用捕捉设备的增长。动作检索是一个新的研究领域,旨在利用捕捉到的人类动作来搜索视频。由于大多数人类行为由相似的动作组成,这些动作随着时间的推移而重复,我们试图提出一种在检索视频之前消除重复动作的方法。该方法作为预处理步骤,可以减少每个视频的检索计算量。这里,使用一个函数来计算每个像素的移动能量值。然后,使用连续小波变换(CWT)将点的响应函数映射到频率空间中,更容易找到相似的运动模式。然后将DTW(动态时间包裹)应用于新空间,以找到随时间变化的相似频率模式(剧集)。最后,其中一个相似的情节,即一些连续帧,保留用于检索计算,而其他的被消除。在KTH、UCFYT和HMDB数据集上对该方法进行了评估,结果表明该方法具有良好的性能。消除重复运动可以显著减少检索计算和时间。
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引用次数: 0
Epileptic seizures detection in EEG signals using TQWT and ensemble learning 基于TQWT和集成学习的脑电信号癫痫发作检测
Pub Date : 2019-10-01 DOI: 10.1109/ICCKE48569.2019.8964826
Navid Ghassemi, A. Shoeibi, M. Rouhani, Hossein Hosseini-Nejad
In this paper, a new scheme for diagnosis of epileptic seizures in EEG signals using Tunable-Q wavelet transform (TQWT) framework is proposed and benchmarked with Bonn dataset. First, a segmentation of the EEG signals into smaller windows is performed, then a high-pass Butterworth filter with a cutoff frequency of 0.5 Hz is applied to eliminate possible noise. After that, a TQWT with parameters J=8, r=3, Q=1 has been utilized for decomposing the segmented EEG Signals into nine sub-bands. Next, a combination of statistical, entropy-based, and fractal dimension features are extracted from each sub-band. Finally, different ensemble learning-based classifiers, specifically, Adaboost, Gradient Boosting (GB), Hist Gradient Boosting (HistGB), and Random Forest (RF) are employed to classify signals. Also, a feature ranking is driven from classifiers to further analyze the importance of each feature in this particular task. Comparing our method to previous ones, introduced scheme outperforms most of the state-of-the-art works in this field, indicating the effectiveness of the proposed epileptic seizures detection method.
本文提出了一种基于可调q小波变换(TQWT)框架的脑电信号癫痫发作诊断新方案,并利用波恩数据集进行了基准测试。首先,将EEG信号分割成较小的窗口,然后应用截止频率为0.5 Hz的高通巴特沃斯滤波器来消除可能的噪声。然后,利用参数J=8, r=3, Q=1的TQWT将分割后的脑电信号分解为9个子带。接下来,从每个子带中提取统计、基于熵和分形维数的组合特征。最后,采用不同的基于集成学习的分类器Adaboost、Gradient Boosting (GB)、Hist Gradient Boosting (HistGB)和Random Forest (RF)对信号进行分类。此外,从分类器中驱动特征排序,以进一步分析每个特征在该特定任务中的重要性。将我们的方法与之前的方法进行比较,所介绍的方案优于该领域的大多数最新工作,表明所提出的癫痫发作检测方法的有效性。
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引用次数: 25
FTHR: Fault Tolerant Hypercube-based Routing for NoCs FTHR: noc基于超立方体的容错路由
Pub Date : 2019-10-01 DOI: 10.1109/ICCKE48569.2019.8965117
R. Kourdy, Amir Rajabzadeh
Network-on-chips are a novel communications infrastructure for decoupling the communication elements from processing cores, with the goal of eliminating the challenges of many cores systems. One of the most important NoCs challenges is fault tolerance. This article tries to resolve the challenge into separate ways i.e., topology and routing. The proposed topology is called fault tolerant Hypercube-base NoC (HNoC) and the proposed routing algorithm is called Fault Tolerant Hypercube-based Routing (FTHR). The FTHR was simulated in a HNoC topology in NS-2 standard simulator. The FTHR was evaluated using 3D to 10D NoCs with 8 to 2014 cores in normal and faulty conditions. The results of the experiments show that the HNoC packet loss by FTHR routing varies between 75.0% and 98.16% depending on the different NoC dimensions. This high degree of fault tolerance is because of router degree and the diversity of paths in HNoC and also applied innovations in the FTHR routing. The results also show that the FTHR routing has reasonable outcome and is capable of tolerance about 100% of router and link faults in permanent and transient timing.
片上网络是一种新的通信基础设施,用于将通信元素与处理核心分离,其目标是消除多核心系统的挑战。noc最重要的挑战之一是容错性。本文试图以不同的方式解决这一挑战,即拓扑和路由。提出的拓扑结构被称为基于HNoC (fault tolerance Hypercube-based NoC),提出的路由算法被称为基于FTHR (fault tolerance Hypercube-based routing)。在NS-2标准模拟器中,采用HNoC拓扑对FTHR进行了仿真。在正常和故障情况下,使用3D至10D noc, 8至2014芯,评估FTHR。实验结果表明,根据不同的NoC尺寸,FTHR路由的HNoC丢包率在75.0% ~ 98.16%之间。这种高容错程度是由于HNoC中的路由器程度和路径的多样性,以及在FTHR路由中的应用创新。结果表明,FTHR路由结果合理,能够容忍100%的路由器和链路故障。
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引用次数: 0
An Eligibility Traces based Cooperative and Integrated Control Strategy for Traffic Flow Control in Freeways 基于资格轨迹的高速公路交通流控制协同集成控制策略
Pub Date : 2019-10-01 DOI: 10.1109/ICCKE48569.2019.8965184
Seyed Soroosh Tabadkani Aval, Negar Shojaee Ghandeshtani, Parisa Akbari, N. Eghbal, Amin Noori
Traffic congestion and gridlocks are considered as main problems of designing an urban motorway network. For this purpose, traffic flow control strategies are presented through recent decades to address this problem. In this paper, an Eligibility Traces based Reinforcement Learning (ETRL) traffic flow control strategy was proposed. This strategy is based on cooperative and integrated control of Ramp Metering (RM) and Variable Speed Limits (VSL). To test the proposed method, first the traffic macroscopic model was calibrated via Genetic Algorithm (GA) optimization to simulate traffic behavior and further, the traffic control strategy is applied to M62 highway stretch in England which is one of the smartest highways, and the results are presented.
交通拥堵和交通阻塞是城市高速公路网设计的主要问题。为此,近几十年来提出了交通流量控制策略来解决这一问题。提出了一种基于合格跟踪的强化学习(ETRL)交通流控制策略。该策略基于匝道测速(RM)和变速限制(VSL)的协同集成控制。为了验证该方法,首先通过遗传算法优化对交通宏观模型进行标定,模拟交通行为,并将该交通控制策略应用于英国M62高速公路路段,该路段是英国最智能的高速公路之一,并给出了结果。
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引用次数: 1
[Copyright notice] (版权)
Pub Date : 2019-10-01 DOI: 10.1109/iccke48569.2019.8964673
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引用次数: 0
Electronic voting through DE-PBFT consensus and DAG data structure 通过DE-PBFT共识和DAG数据结构进行电子投票
Pub Date : 2019-10-01 DOI: 10.1109/ICCKE48569.2019.8965093
J. Bahri, Hamid Reza Shayegh Borojeni
Electronic voting systems are one of the most important issues in today's world. At the present time, most systems are traditional and centralized, and the counting of votes is done by a central party, and security depends on cryptographic techniques. Therefore, the need to create decentralized voting systems is increasing day by day, so in this way, preservation and counting of votes are done directly with the help of a consensus algorithm. Having the difficulties mentioned above, this paper presents an unbiased electronic voting model in which the votes from ballot boxes are sent to the candidates, and the candidates should confirm the received votes, after candidates' confirmation, they agree on the received votes by running an DE-PBFT consensus, and then add votes in their DAG data structure . In this way, all candidates are responsible for maintaining, validating and counting votes, and the trust through consensus protocols is provided in a decentralized system. The voter's anonymity has also been preserved through ring signature.
电子投票系统是当今世界最重要的问题之一。目前,大多数系统都是传统的、集中式的,计票由一个中央政党完成,安全性依赖于加密技术。因此,创建去中心化投票系统的需求日益增加,因此通过这种方式,选票的保存和计数是在共识算法的帮助下直接完成的。针对上述困难,本文提出了一种无偏电子投票模型,该模型将投票箱中的选票发送给候选人,候选人对收到的选票进行确认,候选人确认后,通过运行DE-PBFT共识对收到的选票达成一致,然后将选票添加到他们的DAG数据结构中。通过这种方式,所有候选人都负责维护,验证和计数选票,并且通过共识协议在分散的系统中提供信任。选民的匿名性也通过戒指签名得以保留。
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引用次数: 2
Increasing The Network Control Ability and Flexibility In Incremental Switch Deployment for Hybrid Software-Defined Networks 在混合型软件定义网络中增加交换机部署的网络控制能力和灵活性
Pub Date : 2019-10-01 DOI: 10.1109/ICCKE48569.2019.8965051
Amir Hossein Fakhteh, Vahid Sattari-Naeini, H. Naji
Software-Defined Network is a new networking generation to increase network flexibility and performance improvement. However, budget constraints, technical limitations and the risk of architectural changes that organizations are encountered with, are barriers to the full implementation of the SDN. For these reasons, Internet Service Providers (ISPs) should replace only a limited number of conventional switches with SDN switches at one time. Put both switches together in a topology, create hybrid SDN. In this paper, we first cluster the switches into two clusters, based on a graph concept which is called closeness-centrality. Afterward, we have one cluster with low closeness centrality and another with high; then, we propose a heuristic migration scheme for deploying SDN switches in hybrid SDNs. We first allocate all existing budget to a cluster at low closeness-centrality and then we upgrade the switches according to the proposed scheme. There are four main issues in this paper: (1) improving the network control ability with a given upgrading budget constraint, (2) minimizing the upgrading cost to achieve the best network control ability, (3) increasing hybrid SDN flexibility and (4) improving network fault tolerance by deploying a link fault recovery algorithm. Also, in order to perform controller placement, we propose a simple solution to provide an acceptable delay between controller and SDN switches. We evaluate our scheme in three real topologies and one synthetic topology. The results show that our scheme can achieve better network control ability and flexibility with the help of graph theory parameters compared to other related papers according to budget constraint.
软件定义网络是增加网络灵活性和提高网络性能的新一代网络。然而,预算限制、技术限制和组织所遇到的体系结构变更的风险是全面实现SDN的障碍。由于这些原因,互联网服务提供商(isp)一次只应该用SDN交换机替换有限数量的传统交换机。将两个交换机放在一个拓扑结构中,创建混合SDN。在本文中,我们首先基于一个被称为接近中心性的图概念将开关聚类成两个簇。然后,我们得到一个低接近中心性的集群和一个高接近中心性的集群;然后,我们提出了一种启发式迁移方案,用于在混合SDN中部署SDN交换机。我们首先将所有现有预算以低接近中心性分配到集群中,然后根据所提出的方案对交换机进行升级。本文主要研究四个问题:(1)在给定升级预算约束下提高网络控制能力;(2)最小化升级成本以获得最佳网络控制能力;(3)增加混合SDN灵活性;(4)通过部署链路故障恢复算法提高网络容错性。此外,为了执行控制器放置,我们提出了一个简单的解决方案,在控制器和SDN交换机之间提供可接受的延迟。我们在三个真实拓扑和一个合成拓扑中对我们的方案进行了评估。结果表明,在预算约束下,我们的方案在图论参数的帮助下,比其他相关论文具有更好的网络控制能力和灵活性。
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引用次数: 3
A Ring Oscillator PUF Architecture With Enhanced Challenge-Response Set 一种具有增强挑战响应集的环形振荡器PUF结构
Pub Date : 2019-10-01 DOI: 10.1109/ICCKE48569.2019.8964942
Mohammad Javad Parvardeh, Shahriar Baradaran Shokouhi
Physically Unclonable Functions (PUFs) are new hardware solution for low cost and secure communication primitives such as hardware authentication and secure key generation. PUFs use the random properties of a device to produce unique data. Ring Oscillator PUFs (RO PUF) are one of the most applicable PUFs because of its good reliability and easy implementation on FPGAs. One major problem of Ro PUFs is limited Challenge-Response pairs number. We consider this problem and introduce a new architecture of RO PUF that increases Challenge-Response pairs of a typical PUF with using minimum resources. In our architecture, we use an XOR gate to prevent direct response disclosure and increase our response unpredictability. In this manner, we increase Challenge-Response pairs up to $frac{{nleft( {n - 1} right)}}{2}$. We also show the result of the unity and uniqueness of our proposed PUF by implementing 110 PUFs on five XC3S400 FPGAs.
物理不可克隆功能(physical unclable Functions, puf)是一种针对低成本和安全通信原语(如硬件身份验证和安全密钥生成)的新型硬件解决方案。puf使用设备的随机属性来产生唯一的数据。环形振荡器PUF (RO PUF)因其良好的可靠性和易于在fpga上实现而成为应用最广泛的PUF之一。Ro puf的一个主要问题是挑战-响应对数量有限。考虑到这一问题,我们提出了一种新的RO PUF架构,该架构在使用最小资源的情况下增加了典型PUF的挑战响应对。在我们的架构中,我们使用异或门来防止直接响应泄露并增加响应的不可预测性。通过这种方式,我们将挑战-响应对增加到$frac{{nleft( {n - 1} right)}}{2}$。我们还通过在5个XC3S400 fpga上实现110个PUF,证明了所提出PUF的统一性和唯一性。
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引用次数: 5
A Novel Area-Delay Efficient Carry Select Adder Based on New Add-one Circuit 一种基于新型加一电路的区域延迟高效进位选择加法器
Pub Date : 2019-10-01 DOI: 10.1109/ICCKE48569.2019.8964968
Maytham Allahi Roodposhti, M. Valinataj
In this paper, a new carry select adder (CSLA) architecture is proposed with a lower area and a higher speed compared to previous CSLAs. The proposed CSLA is a low-area and high-speed design utilizing a new add-one circuit that is used instead of the second ripple carry adder (RCA) with the input carry equal to one (Cin=1) inside each group of the basic CSLA. Moreover, to expedite the add operation, a new grouping structure is proposed instead of the basic square-root (SQRT) grouping as well as utilizing a faster RCA in each group. Despite the fact that the proposed CSLA has not attained the lowest power consumption among all existing designs based on the PDK 45nm standard cell library, but it has achieved the lowest area and delay compared to previous CSLAs. Implementation results show that 8 to 33% area reduction and 12 to 44% speed improvement are achieved in the proposed CSLA compared to previous designs.
本文提出了一种新的进位选择加法器(CSLA)结构,与以前的CSLA相比,它具有更小的面积和更高的速度。所提出的CSLA是一种低面积和高速设计,利用新的加一电路来代替第二个纹波进位加法器(RCA),在每组基本CSLA中输入进位等于1 (Cin=1)。此外,为了提高加法运算的速度,提出了一种新的分组结构来代替基本的平方根(SQRT)分组,并在每组中使用更快的RCA。尽管在所有基于PDK 45nm标准单元库的现有设计中,所提出的CSLA并没有达到最低的功耗,但与以前的CSLA相比,它已经实现了最低的面积和延迟。实施结果表明,与以前的设计相比,所提出的CSLA的面积减少了8 ~ 33%,速度提高了12 ~ 44%。
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引用次数: 3
期刊
2019 9th International Conference on Computer and Knowledge Engineering (ICCKE)
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