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2019 IEEE International Conference on System, Computation, Automation and Networking (ICSCAN)最新文献

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GDALR: An Efficient Model Duplication Attack on Black Box Machine Learning Models GDALR:黑盒机器学习模型的有效模型复制攻击
Nikhil Joshi, Rewanth Tammana
Trained Machine learning models are core components of proprietary products. Business models are entirely built around these ML powered products. Such products are either delivered as a software package (containing the trained model) or they are deployed on cloud with restricted API access for prediction. In ML-as-a-service, users are charged per-query or per-hour basis, generating revenue for businesses. Models deployed on cloud could be vulnerable to Model Duplication attacks. Researchers found ways to exploit these services and clone the functionalities of black box models hidden in the cloud by continuously querying the provided APIs. After successful execution of attack, the attacker does not require to pay the cloud service provider. Worst case scenario, attackers can also sell the cloned model or use them in their business model.Traditionally attackers use convex optimization algorithm like Gradient Descent with appropriate hyper-parameters to train their models. In our research we propose a modification to traditional approach called as GDALR (Gradient Driven Adaptive Learning Rate) that dynamically updates the learning rate based on the gradient values. This results in stealing the target model in comparatively less number of epochs, decreasing the time and cost, hence increasing the efficiency of the attack. This shows that sophisticated attacks can be launched for stealing the black box machine learning models which increases risk for MLaaS based businesses.
训练有素的机器学习模型是专有产品的核心组成部分。商业模式完全是围绕这些机器学习驱动的产品构建的。这些产品要么作为软件包(包含经过训练的模型)交付,要么部署在具有受限API访问的云上进行预测。在ml即服务中,用户按查询或按小时收费,为企业创造收入。部署在云上的模型可能容易受到模型复制攻击。研究人员找到了利用这些服务的方法,并通过不断查询提供的api来克隆隐藏在云中的黑匣子模型的功能。攻击成功后,攻击者不需要向云服务提供商支付任何费用。最坏的情况是,攻击者还可以出售克隆模型或在其业务模型中使用克隆模型。传统的攻击者使用梯度下降等凸优化算法和适当的超参数来训练他们的模型。在我们的研究中,我们提出了一种基于梯度值动态更新学习率的改进方法,称为梯度驱动自适应学习率(GDALR)。这样可以在相对较少的时间内窃取目标模型,减少了时间和成本,从而提高了攻击效率。这表明可以发起复杂的攻击来窃取黑箱机器学习模型,这增加了基于MLaaS的业务的风险。
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引用次数: 5
A Comparative Study of Anthropometric Measures and its significance on Diverse Applications 人体测量方法的比较研究及其在多种应用中的意义
E. Thamizhselvi, V. Geetha
This paper provides a brief survey about the anthropometric traits in various fields. The word “anthropo” refers to human and “metric” refers to measurement. Anthropometry is essentially refers to the measurement of human individuals for the purpose of identifying the human physical variations. Anthropometry plays a predominant role in medical science, Forensic medicine and criminology, Biometric, sports etc. Anthropometric is used to access the size, shape and composition of human body. The purpose of anthropometric indicator criteria to select features and they have been justified mainly on the basis of being correlated with other risk factors. Due to its significance, the statistical mean and standard deviation measurements are highly followed to monitor the human body based on its measurement. Since this measurement vary according to the fields, it is indeed important to undergo a detailed analysis of anthropometric traits. Hence, this paper discusses about the potential researches on the use of anthropometric traits for different fields in association with the data mining to solve the complex problem by selecting the best features.
本文简要介绍了人体测量学在各个领域的研究概况。“anthropo”是指人,“metric”是指测量。人体测量学本质上是指对人体个体进行测量,以确定人体的生理变化。人体测量学在医学、法医学和犯罪学、生物计量学、体育等领域发挥着主导作用。人体测量学是用来获取人体的大小、形状和组成。人体测量指标标准的目的是选择特征,它们主要基于与其他危险因素的相关性而被证明是合理的。由于其重要性,统计平均值和标准偏差测量被高度采用,以测量为基础对人体进行监测。由于该测量值因领域而异,因此对人体测量特征进行详细分析确实很重要。因此,本文讨论了将人体特征应用于不同领域的潜在研究,并与数据挖掘相结合,通过选择最佳特征来解决复杂的问题。
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引用次数: 1
A Comparative study of IoT Technology in Precision Agriculture 物联网技术在精准农业中的比较研究
Immanuel Zion Ramdinthara, P. Bala
Agriculture is the backbone of every country. It produces all the necessary needs such as wheat, rice, fruits, grains which are consumed by a human for everyday survival. So, it is important for the country to develop and sustain a productive agricultural system. As demand is increasing for food, food security is very important to sustain and increase yield production at a higher rate and at the same time preserve the ecosystem. So, the technologies in the agricultural domain may be incorporated to enhance food supplies and production. In many countries like the USA, China and Israel have a prominently high implementation of technologies with a high rate of food production and even exported in many parts of the world. These countries have implemented advanced techniques such as the Internet of Things (IoT), Cloud Computing, Machine Learning and Deep Learning algorithm for agriculture domain. Sensor technology used in this domain is highly effective, accurate and productive for precision agriculture. In this topic, agriculture in some developed and developing countries are compared also discusses the way in which these countries could possibly exchange feasible ideas from a different perspective for the development of sustainable agriculture.
农业是每个国家的支柱。它生产了人类日常生存所必需的小麦、大米、水果、谷物等。因此,对这个国家来说,发展和维持一个多产的农业系统是很重要的。随着对粮食的需求不断增加,粮食安全对于以更高的速度维持和提高产量,同时保护生态系统非常重要。因此,可以结合农业领域的技术来提高粮食供应和生产。在许多国家,如美国、中国和以色列,技术的实施程度很高,粮食产量很高,甚至出口到世界许多地方。这些国家已经在农业领域实施了物联网(IoT)、云计算、机器学习和深度学习算法等先进技术。该领域应用的传感器技术对精准农业具有高效、准确和高产的特点。在这个主题中,比较了一些发达国家和发展中国家的农业,并讨论了这些国家如何从不同的角度交流可行的想法,以发展可持续农业。
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引用次数: 3
Performance Investigation of Hexagram Inverter for High Power Applications 大功率六角逆变器的性能研究
G. Devi, P. Rajesh, S. Sathish, S. Sivaraman, S. Fayaz
This paper presents the performance investigation of Hexagram Inverter for high power applications. It can be used for 3-phase and 6-phase applications. It has many advantages such as less number of switches, easy construction and maintenance, isolated dc buses. Further, due to the module interconnection it has built-in fault tolerant feature. Compared to cascaded H-bridge inverter, it requires low dc energy storage. This well-known quality makes the system in high power applications. Hexagram inverter fed three phase induction motor drive is developed in Matlab/Simulink environment. Simulation is carried out to study the performance of the 3-phase induction motor at different load conditions and the results are presented.
本文介绍了Hexagram逆变器在大功率应用中的性能研究。它可用于三相和六相应用。它具有开关数量少、易于施工和维护、直流母线隔离等优点。此外,由于模块互连,它具有内置的容错功能。与级联h桥逆变器相比,它对直流储能的要求较低。这一众所周知的品质使系统在高功率应用。在Matlab/Simulink环境下开发了六角逆变馈三相异步电动机驱动器。对三相异步电动机在不同负载条件下的性能进行了仿真研究,并给出了仿真结果。
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引用次数: 1
Spectrum Sharing Techniques in Cognitive Radio Networks – A Survey 认知无线电网络中的频谱共享技术综述
A. Sharmila, P. Dananjayan
Cognitive radio network (CRN) is considered a plausible way out for future 5G applications through its dynamic spectrum access technology. Spectrum sharing being the main objective of CRN, it alleviates the spectrum scarcity problem. In this paper, the manifold techniques for spectrum sharing in CRN are outlined. The distinct advantages and major limiting constraints with relevant to the hybrid spectrum access technology are elaborated thoroughly to enhance the QoS parameters of the users and to achieve better spectral efficiency.
认知无线电网络(CRN)通过其动态频谱接入技术被认为是未来5G应用的可行出路。频谱共享是CRN的主要目标,它缓解了频谱稀缺问题。本文概述了CRN中实现频谱共享的多种技术。深入阐述了混合频谱接入技术的明显优势和主要限制条件,以增强用户的QoS参数,实现更好的频谱效率。
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引用次数: 14
Design & Isolation Reduction of Circle Inserted MIMO Antenna 圆插入式MIMO天线的设计与隔离降低
K. Vasu Babu, B. Anuradha
In modern telecommunications system MIMO antenna plays an important role having the capability to radiate wave is extra than one radiation pattern & polarization is also another critical factor. This article describes the design & reduction of isolation between the two symmetrical patches. The separation between the two patches must be maintained to reduce the isolation is 0.02 λ0 The proposed system having a compact size of $38,,mathrm {m}mathrm {m}times 25$ mm with a FR-4 substrate and loss tangent of 0.02 is considered. The MIMO system is resonate at a frequency of 3.98 GHz obtained the reflection coefficient (S11) of −39.71 dB & greatly reducing the isolation (S12) of −50 dB. At the resonant band of frequency the impedance bandwidth of the systems is around 1.76 GHz. The proposed design maintained the VSWR ≤ 2 and ECC < 0.04 is maintained at the resonant band of frequency. The different time domain analysis parameters like group delay, diversity gain, real/ imaginary impedances and peak gain is also measured here. The group delay and diversity gain at the resonant frequency of proposed MIMO structure is observed −2.48 ± 1nsec & 9.999 dBi.
MIMO天线在现代通信系统中起着重要的作用,它具有向多个方向波辐射的能力,极化也是影响MIMO天线的另一个关键因素。本文描述了设计和减少两个对称补丁之间的隔离。为了减小隔离度,必须保持两个贴片之间的距离为0.02 λ0。该系统的紧凑尺寸为$38,,mathrm {m}mathrm {m}乘以25$ mm,采用FR-4衬底,损耗正切为0.02。MIMO系统谐振频率为3.98 GHz,反射系数(S11)为- 39.71 dB,隔离度(S12)大大降低- 50 dB。在谐振频段,系统的阻抗带宽约为1.76 GHz。本设计在频率谐振带保持VSWR≤2,ECC < 0.04。本文还测量了群延迟、分集增益、实/虚阻抗和峰值增益等不同的时域分析参数。MIMO结构在谐振频率处的群延迟和分集增益分别为- 2.48±1nsec和9.999 dBi。
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引用次数: 0
Prediction of Diabetes Patient Stage Using Ontology Based Machine Learning System 基于本体的机器学习系统对糖尿病患者分期的预测
V. Lakshmi, V. Nithya, K. Sripriya, C. Preethi, K. Logeshwari
Nowadays technology has improved the worldwide and has become vital part of our life. It aid for doctors to analyze and diagnose the medical problems and diseases. With help artificial intelligence in medicine science become high demand now. This work focuses on clinical decision support system which aid medical people to diagnose of disease. In this paper first present related work in various aspects of clinical decision support systems to provide diagnosis solutions to medical related problems. In this paper a proposed method to identify patient with diabetes disease risk level is indentified. In this work diabetes patient risk level is been detected by using ontology and machine learning technique. Ontology holds disease symptoms, causes and treatments. In machine learning, nave base algorithm is used to make decision on patient record also it defines possibilities of risk level. The proposed algorithm will be evaluated against the following metrics namely confusion matrix, precision level, mean and this proposed work is found to have better prediction level when compared with existing work.
如今,科技已经改善了世界各地,并已成为我们生活的重要组成部分。它帮助医生分析和诊断医疗问题和疾病。在人工智能的帮助下,医学科学对人工智能的需求越来越高。本课题研究的重点是临床决策支持系统,该系统可辅助医务人员进行疾病诊断。本文首先介绍了临床决策支持系统在各个方面的相关工作,为医疗相关问题提供诊断解决方案。本文提出了一种识别糖尿病患者疾病危险水平的方法。本文采用本体和机器学习技术对糖尿病患者的风险水平进行检测。本体论包含疾病的症状、原因和治疗。在机器学习中,使用中基算法对患者病历进行决策,并定义风险级别的可能性。所提出的算法将根据以下指标进行评估,即混淆矩阵、精度水平、平均值,与现有工作相比,发现所提出的工作具有更好的预测水平。
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引用次数: 8
Heterogeneous Deep Neural Network for Healthcare Using Metric Learning 基于度量学习的医疗保健异构深度神经网络
N. Poonguzhali, Kagne Raveena Rajendra, T. Mageswari, T. Pavithra
Brain Tumor occurs when abnormal cells form within the brain. There are two main types of tumors malignant and benign tumors. So for early precise detection of tumor cells, in conventional methods there are various algorithm which helps to diagnosis the tumor cells though it fails to predict an accurate results. This paper presents a reliable detection method by making use of tensor flow library, Faster R-CNN algorithm and SVM classifier used to predict the likely chances of brain related tumor of the patient. Faster R-CNN algorithm is a capable classification algorithm in which both region proposal generation and objection tasks are all done by the same convolutional networks.
当大脑内形成异常细胞时,就会发生脑瘤。肿瘤主要有两种类型:恶性肿瘤和良性肿瘤。因此,为了对肿瘤细胞进行早期精确的检测,传统的方法中有各种各样的算法,虽然不能预测出准确的结果,但有助于对肿瘤细胞进行诊断。本文提出了一种可靠的检测方法,利用张量流库、Faster R-CNN算法和SVM分类器来预测患者发生脑相关肿瘤的可能性。更快的R-CNN算法是一种功能强大的分类算法,它的区域提议生成和反对任务都是由同一个卷积网络完成的。
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引用次数: 7
Performance Evaluation of Chirp Spread Spectrum as used in LoRa Physical Layer 用于LoRa物理层的Chirp扩频性能评价
Aiju Thomas, N. Eldhose
Divergent modulation schemes have been proposed for Internet of Things (IoT). One specific application is sensor networks, where narrow band of data is required to be transferred for long distance and modulated signals are susceptible to interference. Chirps signals can traverse long distance and are resilient to White Gaussian Noise and Doppler effects. We analyze the performance of chirp spread spectrum as used in LoRa™physical layer for noise resilience. We evaluate Chirp Spread Spectrum (CSS) at ISM band 868 MHz for spreading factor 7 to 12 at bandwidth 125 kHz and sampling frequency 125Khz. Signals are transmitted through AWGN channel and are evaluated for Bit Error Rate (BER). Packet collisions and packet error rate were analyzed for simultaneous transmissions.
针对物联网(IoT)提出了发散调制方案。一个具体的应用是传感器网络,其中需要长距离传输窄带数据,并且调制信号容易受到干扰。啁啾信号可以跨越很长的距离,并且对高斯白噪声和多普勒效应具有弹性。我们分析了在LoRa™物理层中使用的啁啾扩频的噪声恢复性能。在带宽125 kHz和采样频率125 kHz时,我们评估了ISM频段868 MHz下的Chirp扩频(CSS)的扩频因子7到12。信号通过AWGN信道传输,并对误码率(BER)进行评估。分析了同时传输时的分组冲突和分组错误率。
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引用次数: 5
Elegant Way of Designing Printed Circuit Board via Multilayer Technique Using Ultiboard 12.0 用Ultiboard 12.0设计多层印刷电路板的优雅方法
L. Raj, K. Roja, J. S. Theresa, M. Sathyavani, M. Sumithra
PCB design plays a vital role in the evolution of modern technology. Dual side PCB has two conductive layers, multi-side PCB should have at least three conductive layers which are buried in the centre of the material. Layers of copper foil, prepreg and core material sandwich together under high temperature and pressure to produce multi-layer. Multilayer board can pack the same amount of power into a PCB that’s half the size of the original or traditional double-sided PCB. The demonstration will be done by using NI Ultiboard 12.0. In this project, the datum we get from our PCB, it is an obvious way to reduce the cost of PCB and to simplify the design of PCB. It can be done by reducing the number of vias and components.
PCB设计在现代技术的发展中起着至关重要的作用。双面PCB有两层导电层,多层PCB应至少有三层导电层埋在材料的中心。多层铜箔、预浸料和芯材在高温高压下夹心而成。多层板可以将相同数量的功率封装到PCB中,而PCB的尺寸只有原始或传统双面PCB的一半。演示将使用NI Ultiboard 12.0完成。在这个项目中,我们从我们的PCB中获得数据,这是一个明显的方法来降低PCB的成本,简化PCB的设计。这可以通过减少过孔和部件的数量来实现。
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引用次数: 0
期刊
2019 IEEE International Conference on System, Computation, Automation and Networking (ICSCAN)
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