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2016 International Conference on Identification, Information and Knowledge in the Internet of Things (IIKI)最新文献

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Statistical Analysis of Process Variations on the Delay-Based PUF 基于延迟的PUF过程变化的统计分析
Songde Hu, Huansheng Ning, Yang Xu, L. Mao, Youzhong Li, Lijun Zhang
Silicon physical unclonable function (PUF) is a special circuit that can reflect the uncontrollable intrinsic variation of integrated circuits (ICs) manufacturing process. These PUFs can be used as hardware security in security fields, such as authentication of devices and key generation in security applications. In order to know how the PUF circuits express the physical characteristics due to manufacturing process variations and provide a reference for researchers in the field of security, we briefly introduce the arbiter-based PUF and analyze the arbiter-based PUF in depth as it is a typical one of the silicon PUFs. Instead of paying attention to the whole PUF circuit which most studies do, we just focus on the stages so we can determine a demand of the arbiter. Monte Carlo simulation has been used to simulate the manufacturing process variations and the simulation is based on 40nm and 65nm technology libraries. Finally, a Monte Carlo-based statistical analysis has demonstrated that advanced technologies can enlarge intrinsic variation.
硅物理不可克隆函数(PUF)是一种能够反映集成电路制造过程中不可控的内在变化的特殊电路。这些puf可以作为安全领域的硬件安全,如安全应用中的设备认证、密钥生成等。为了了解PUF电路由于制造工艺变化而产生的物理特性变化,为安全领域的研究人员提供参考,本文简要介绍了基于仲裁器的PUF,并对基于仲裁器的PUF作为典型的硅PUF进行了深入分析。与大多数研究关注整个PUF电路不同,我们只关注各个阶段,这样我们就可以确定仲裁者的需求。采用蒙特卡罗仿真方法对制造工艺变化进行了仿真,仿真基于40nm和65nm工艺库。最后,基于蒙特卡罗的统计分析表明,先进的技术可以扩大内在变化。
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引用次数: 1
LSTM Based on the Classification of Emotion about User Evaluation on Shopping Site 基于情感分类的购物网站用户评价LSTM
Rong Xiao, Xiaohui Cui, Peipei Zhou, Wanfeng Ge
The user evaluation of shopping websites always has huge amounts of data which is a waste of manpower and material resources. Aiming at this problem, this paper puts forward a model based on LSTM and word vectors [1]. LSTM can be a very good solution because of the long distance learning of the neural nodes to forward neural nodes of declining awareness, thus LSTM neural network model can be better to finish the task of user sentiment analysis.
购物网站的用户评价总是有大量的数据,这是一种人力物力的浪费。针对这一问题,本文提出了一种基于LSTM和词向量的模型[1]。LSTM可以是一个很好的解决方案,因为LSTM神经网络模型可以远程学习神经节点转发意识下降的神经节点,因此LSTM神经网络模型可以更好地完成用户情感分析的任务。
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引用次数: 0
Problems and Solutions Encountered in the Measurement of Millimeter Wave Antenna Pattern 毫米波天线方向图测量中遇到的问题及解决方法
Yonglei Li, Hongmei Tang, Xin Liu, Tiexing Wang
In a lot of microwave system development process, we often need to test antenna pattern be loaded in the system and provide support to carry out the relevant system design and testing. This article focuses on the issue during the millimeter wave antenna pattern test encountered and the measures taken.
在很多微波系统的开发过程中,我们经常需要测试加载在系统中的天线方向图,并为进行相关的系统设计和测试提供支持。本文着重介绍了毫米波天线方向图测试中遇到的问题及采取的措施。
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引用次数: 0
A Three Dimension Super-Resolution Algorithm through Neighbor Embedding Based on Weighted Coefficient Values for Internet of Things 基于加权系数值邻域嵌入的物联网三维超分辨算法
C. Duanmu, Di Zhao, Dingde Jiang, Houbing Song, Jiping Xiong
In the applications of the internet of things (IOT), the nodes in the network usually has power limits and storage space limits. Thus, the images over the IOT are usually low-resolution images. However, the customer usually want high-resolution images. To satisfy these needs, the solution of super-resolution methods comes. In this paper, a new algorithm for super-resolution is proposed, where the three dimensional discrete cosine transform (3D-DCT) is employed to extract the features of the image blocks. Then, the low frequency coefficients in the 3D-DCT are set with large weight values, and the high frequency coefficients are set with relatively small weight values. The 3D-DCT coefficients are then multiplied with the corresponding weights, and a reverse 3D-DCT is carried out. A bi-cubic transform is employed to get a high resolution block. The difference between that block and the actual high resolution block is saved in the training set with the 3D-DCT blocks. A new difference measure is proposed in the online phase to obtain the similarity between a candidate block and the blocks in the training set. After this, several training blocks are selected and the neighbor embedding method is employed to reconstruct the high resolution blocks. To reduce the computational complexity of the algorithm, the revised K-means algorithm is employed. The experimental results show that the proposed algorithm performs much better than the traditional neighbor embedding algorithm and the bi-cubic interpolation algorithm.
在物联网应用中,网络中的节点通常存在功率限制和存储空间限制。因此,物联网上的图像通常是低分辨率图像。然而,客户通常需要高分辨率的图像。为了满足这些需求,超分辨率方法的解决方案应运而生。本文提出了一种新的超分辨率算法,该算法采用三维离散余弦变换(3D-DCT)提取图像块的特征。然后,将3D-DCT中的低频系数设置为较大的权值,将高频系数设置为较小的权值。然后将3D-DCT系数与相应的权值相乘,进行反向3D-DCT。采用双三次变换得到高分辨率的块。该块与实际高分辨率块之间的差异被保存在3D-DCT块的训练集中。在在线阶段提出了一种新的差值度量,用于获取候选块与训练集中块之间的相似度。然后,选择多个训练块,采用邻域嵌入法重建高分辨率块。为了降低算法的计算复杂度,采用了改进的K-means算法。实验结果表明,该算法的性能明显优于传统的邻居嵌入算法和双三次插值算法。
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引用次数: 1
KPD Based Signal Preprocessing Algorithm for Pulse Diagnosis 基于KPD的脉冲诊断信号预处理算法
Zhichao Zhang, Yuan Zhang, W. Jin, A. Kos
In the traditional Chinese medicine (TCM) wrist pulse diagnosis plays a major role in detecting the health status of an individual. It depends strongly on the doctors' long-term experience as well as on their different inferences. Being subjective and based on long-term experience, pulse detection methods are difficult to standardize. Kim pulse diagnosis (KPD), established by Wei Jin, is an efficient method validated by both traditional Chinese medicine and in recent years also by western medicine. The key step to automatic implementation of KPD, using signal processing and analysis, is the developed KPD signal acquisition device. However, the raw wrist pulse signal acquired from KPD device includes a significant amount of noise. This paper proposes several preprocessing algorithms for pulse diagnosis, that includes wavelet transform and Gaussian filter to remove noise and the iterative sliding window (ISW) algorithm to remove the baseline wander and split the continuous signal into single periods. Experimental results show, that the algorithm for baseline wander removal is efficient and that the segmented signal matches the signal described in KPD.
在中医中,腕部脉搏诊断在检测个体的健康状况方面起着重要的作用。这在很大程度上取决于医生的长期经验以及他们不同的推断。脉冲检测方法具有主观性和长期经验的特点,难以标准化。金脉诊断法(KPD)是魏晋创立的一种有效的中医诊断法,近年来也得到了西医的证实。利用信号处理和分析实现KPD自动实现的关键一步是研制KPD信号采集装置。然而,从KPD设备获得的原始手腕脉冲信号包含大量的噪声。本文提出了几种用于脉冲诊断的预处理算法,包括小波变换和高斯滤波去除噪声,迭代滑动窗口(ISW)算法去除基线漂移并将连续信号分割成单周期。实验结果表明,该算法对基线漂移的去除是有效的,分割后的信号与KPD描述的信号相匹配。
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引用次数: 0
Improve E-Commerce Recommendation by Classification Tree and Fuzzy Sets 利用分类树和模糊集改进电子商务推荐
Lianhong Ding, Yanhong Zheng
In order to enhance the performance of E-Commerce recommendation, a hybrid filtering approach based on the taxonomy of E-Commerce platform is put forward. The classification tree of products is used to find the users with similar shopping intention. The sparsity of user ratings, major problem for collaborative filtering, is overcome. A two-granularity user profile is built to reflect the customer's shopping interests. User profile is firstly described as a set of leaf nodes of the classification tree. Then, each category of the user profile is refined by the theory of fuzzy set. Fuzzy sets make user profile and item representation more accurate. At the same time, tags instead of key words extracted from item content, are used for the building of user profiles and representation of items. It overcomes the analysis difficulty and large calculation problems for content-based filtering.
为了提高电子商务推荐的性能,提出了一种基于电子商务平台分类的混合过滤方法。使用产品分类树来寻找具有相似购物意向的用户。克服了用户评价的稀疏性,这是协同过滤的主要问题。构建一个双粒度用户配置文件来反映客户的购物兴趣。首先将用户概要描述为分类树的一组叶节点。然后,利用模糊集理论对用户画像的各个类别进行细化。模糊集使用户档案和项目表示更加准确。同时,使用标签代替从项目内容中提取的关键词来构建用户档案和表示项目。它克服了基于内容的过滤的分析困难和计算量大的问题。
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引用次数: 0
Identification and Selection of Sensors Suitable for Integration into Sport Equipment: Smart Golf Club 适合集成到运动装备中的传感器的识别和选择:智能高尔夫球杆
A. Kos, A. Umek, S. Tomažič
Smart sport equipment is being increasingly used in highly competitive (professional) sport. By definition, smart equipment employs various sensors for detecting its state and actions. The correct choice of the most appropriate sensor(s) is of paramount importance. When integrated into the equipment, ideal sensors are unobstructive, and do not change the functionality of the equipment. The article focuses on identification and selection of sensors suitable for the integration into a golf club. We used two orthogonally affixed strain gage sensors, a 3-axis accelerometer, and a 3-axis gyroscope. The responses of strain gage sensors are used for measuring golf club flex. They are calibrated and validated in the laboratory environment by the highly accurate optical tracking system Qualisys Track Manager (QTM). Accelerometer and gyroscope are used to measure golf club acceleration and angular speed. Field tests are performed without QTM, only with the sensors affixed to the golf club. The first set of results show that the strain gage sensors complement the inertial sensors. For some golf swing tracking and error detection applications strain gage sensors could be the only type of sensors needed. Our final goal is to be able to acquire and analyze as many parameters of a golf club in real time during the entire swing. Such information would make the identification and selection of the most appropriate sensors to be applicable for a defined task easier.
智能运动装备越来越多地用于竞争激烈的(专业)运动。根据定义,智能设备使用各种传感器来检测其状态和动作。正确选择最合适的传感器是至关重要的。当集成到设备中时,理想的传感器是无阻碍的,并且不会改变设备的功能。本文重点研究了适合高尔夫球杆集成的传感器的识别和选择。我们使用两个正交贴应变计传感器,一个3轴加速度计和一个3轴陀螺仪。利用应变计传感器的响应测量了高尔夫球杆的弯曲度。它们在实验室环境中由高精度光学跟踪系统Qualisys Track Manager (QTM)进行校准和验证。加速度计和陀螺仪用于测量高尔夫球杆的加速度和角速度。现场测试是在没有QTM的情况下进行的,只有将传感器贴在高尔夫球杆上。第一组结果表明,应变片传感器是惯性传感器的补充。对于一些高尔夫挥杆跟踪和误差检测应用,应变计传感器可能是唯一需要的传感器类型。我们的最终目标是能够在整个挥杆过程中实时获取和分析尽可能多的高尔夫球杆参数。这些资料将使确定和选择最适当的传感器更容易适用于确定的任务。
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引用次数: 4
Research on News Topic-Driven Market Flucatuation and Predication 新闻话题驱动的市场波动与预测研究
Y. Rao, Xuhui Zhong, Shumin Lu
In order to forecast the price movement of stock with the correlated news events, an enhanced Topic-driven model with the positional weight of feature words and label of stocks, named LP-LDA model, is proposed to represent and analyze the intrinsic mechanism in financial market. The experiment results show that LP-LDA has a better performance than traditional LDA model. Especially, when the number of topics are increasing, the running time of LP-LDA model are 0.69s, 0.78 s and 1.15s at 100, 200 and 300 topics, respectively, which are better than LDA. Furthermore, Degree of Influence (DoI) is defined to describe the considerable influence about the news events on the price movement of certain stock, which provides a new mechanism to measure the fluctuating price. The experiment results shown that the coefficient of correlation between news topic and return rate of stock is 0.9137, which is much higher than other results of experiment.
为了利用相关新闻事件预测股票的价格走势,提出了一种带有特征词位置权重和股票标签的增强型主题驱动模型,即LP-LDA模型,用于表征和分析金融市场的内在机制。实验结果表明,LP-LDA模型比传统的LDA模型具有更好的性能。尤其当主题数增加时,LP-LDA模型在100、200和300主题时的运行时间分别为0.69秒、0.78秒和1.15秒,均优于LDA。进一步,定义了影响度(DoI)来描述新闻事件对某只股票价格变动的可观影响,为衡量股价波动提供了一种新的机制。实验结果表明,新闻话题与股票收益率的相关系数为0.9137,远高于其他实验结果。
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引用次数: 1
Key Techniques of Cross-Language Medical Term Alignment 跨语言医学术语比对关键技术
Yuqi Yang, Guangzhi Zhang, R. Bie, Sungjoong Kim, Dongil Shin
Health is closely related to everyone. Integrating different medical data sets will bring tremendous value for human. Basing on Chinese and English disease medical term, we use text mining technique in terms of two dimensions of the disease from the name and text description of the semantic clustering to achieve initial alignment disease terminology. First, we translate the Chinese data set through the API translation. Then we assign weights for each feature item to obtain feature vector for each disease node disease. Finally, we calculate the similarity of diseases and K-means clustering. We conduct experiments to evaluate the method on real-world and authoritative dataset, and the results prove that it has better rationality and superiority. The method can be extended to the initial alignment of multilingual texts with the same concept after improving.
健康与每个人息息相关。整合不同的医疗数据集将为人类带来巨大的价值。以中英文疾病医学术语为基础,利用文本挖掘技术从疾病名称和文本描述两个维度对疾病术语进行语义聚类,实现疾病术语的初始对齐。首先,我们通过API翻译对中文数据集进行翻译。然后对每个特征项分配权重,得到每个疾病节点疾病的特征向量。最后,我们计算疾病的相似度和K-means聚类。我们在真实世界和权威数据集上对该方法进行了实验评估,结果证明该方法具有更好的合理性和优越性。该方法经过改进,可以推广到具有相同概念的多语种文本的初始对齐。
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引用次数: 0
Differentially Private k-Anonymity: Achieving Query Privacy in Location-Based Services 差分私有k-匿名:实现基于位置服务的查询隐私
Jinbao Wang, Zhipeng Cai, Chunyu Ai, Donghua Yang, Hong Gao, Xiuzhen Cheng
While location based services (LBS) are facilitating our daily life, the privacy issues including location privacy and query privacy are also arising. Existing efforts aiming to preserving query privacy rely on third party servers or fail to provide guaranteed privacy degree. In this paper we combine the concepts of differential privacy and k-anonymity to establish a novel notion of differentially private k-anonymity (DPkA) for query privacy in LBS. The sufficient and necessary condition for the availability of 0-DPkA is recognized and a mechanism M0 to achieve 0-DPkA is given. For other cases that 0-DPkA is impossible, this paper presents an algorithm to achieve ε-DPkA with bounded ε.
基于位置的服务在便利我们日常生活的同时,也产生了位置隐私和查询隐私等隐私问题。现有的旨在保护查询隐私的努力依赖于第三方服务器或无法提供保证的隐私程度。本文将差分隐私和k-匿名的概念结合起来,建立了一种新的差分隐私k-匿名(DPkA)概念。给出了实现0-DPkA的充要条件,并给出了实现0-DPkA的机制。对于其他不可能实现0-DPkA的情况,本文提出了一种ε有界条件下实现ε- dpka的算法。
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引用次数: 12
期刊
2016 International Conference on Identification, Information and Knowledge in the Internet of Things (IIKI)
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