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2019 Devices for Integrated Circuit (DevIC)最新文献

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Design and Implementation of Gabor Filter and SVM based Authentication system using Machine Learning 基于Gabor滤波和SVM的机器学习认证系统的设计与实现
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783650
Shalini Singh, Indrajit Das, Md Golam Mohiuddin, Amogh Banerjee, Sonali Gupta
The most vital requirement in today's world is to overcome the different types of attacks. Human behavioral and physiological features in biometrics have the largest scope as a solution for security issues. However, the existing biometric systems such as faces, iris, palm, voice or fingerprints are highly complex in terms of time or space or both, and thus are not suitable in high security. So the design and implementation of finger-vein authentication method is proposed in this paper. This system is implemented using a combination of image processing and machine learning algorithm. Lacunae, fractal dimension and gabor filter are the algorithms used for feature extraction and the classification of the extracted feature is done using the Support Vector Machine. The accuracy of classification algorithm for One-Versus-One and One-Versus-All is 98.75 % and 97.92 % and the execution time is 0.168 Seconds and 0.187 Seconds respectively. At the end the comparative analysis between different classification algorithm and previous research work related to Finger Vein Authentication System using Machine learning is provided.
当今世界最重要的要求是克服不同类型的攻击。生物识别技术中人类的行为和生理特征作为安全问题的解决方案具有最大的应用范围。然而,现有的人脸、虹膜、手掌、声音或指纹等生物识别系统在时间或空间上都非常复杂,因此不适合高安全性。为此,本文提出了手指静脉认证方法的设计与实现。该系统采用图像处理和机器学习相结合的算法实现。特征提取采用了凹痕、分形维数和gabor滤波算法,并利用支持向量机对提取的特征进行分类。一对一和一对全的分类算法准确率分别为98.75%和97.92%,执行时间分别为0.168秒和0.187秒。最后,对不同的分类算法进行了对比分析,并对利用机器学习的手指静脉认证系统的相关研究工作进行了对比分析。
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引用次数: 3
A Hypothetical Analysis to Study the Variations of Complex Dielectric Permittivity for Detection of Various Stages of Cancer of a Biological Target using Microwave Tomography 微波层析成像检测生物靶癌不同阶段复介电常数变化的假设分析
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783937
Deborsi Basu, K. Purkait
In recent days, different kinds of Cancerous tumor detection in human body using Microwave Tomography technique (MWT) is picking up huge interest of research among modern day scientists. As all other existing methods like ultrasound, mammography, magnetic resonance imaging (MRI), X - ray imaging etc. are coming up with certain difficulties to patients so Microwave imaging technique is a suitable substitute for that. In this paper, a hypothetical assumption based on the variations of complex dielectric permittivity of the water content of cells with different stages of cancer has been implemented. The complex dielectric permittivities are reconstructed with the help of suitable reconstruction techniques and images have been formed accordingly. Analysing the reconstructed values, a comparative study has been done between a normal cell and different kinds of affected cells. The new approach of this reconstruction algorithm shows a very much efficient way of discriminating all possible kinds of dielectric perturbations for various stages of cancer inside human body. Through this analysis it is shown that the improved version of reconstruction algorithm works well on the hypothetical assumption and the result found is pretty satisfactory and the margin of error is also less, based on the result it is proposed that microwave imaging technique is one of the best methods for detection of the presence cancer cell inside human body.
近年来,利用微波断层扫描技术(MWT)检测人体不同类型的恶性肿瘤引起了现代科学家的极大兴趣。由于现有的超声、乳房X线摄影、磁共振成像、X射线成像等方法对患者来说存在一定的困难,因此微波成像技术是一种合适的替代方法。本文基于不同癌症分期细胞含水量复介电常数的变化,提出了一个假设。利用合适的重构技术对复介电常数进行重构,形成相应的图像。通过对重建值的分析,对正常细胞和不同类型的受损细胞进行了比较研究。这种重建算法的新方法显示了一种非常有效的方法来区分各种可能的介电扰动的不同阶段的癌症在人体内。通过分析表明,改进后的重建算法在假设条件下效果良好,结果令人满意,误差范围也较小,由此提出微波成像技术是检测人体内存在癌细胞的最佳方法之一。
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引用次数: 1
Analytical Model of Subthreshold Swing in Triangular-Shaped FinFET 三角形FinFET亚阈值摆动的解析模型
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783633
Subhamoy Banerjee, B. Pradhan
FinFET, a quasi-planar device has gained tremendous importance in the semiconductor industry because it has the ability to suppress all the short-channel effects. The silicon fin of FinFET can be of different shapes-rectangular, trapezoidal, triangular, convex, concave etc. In this paper, we have discussed subthreshold swing, threshold voltage of different fin structures and drain current based on angle of inclination, fin width and applied gate voltages. We also include change of channel capacitance of triangular fin based on different fin width. Some novel analytical formula expression for subthreshold swing has been discussed. In MATLAB, we have plotted the variation of different graphs based on different parameters of FinFETs and obtain their respective results to prove that our dimensions are superior to other values.
FinFET是一种准平面器件,它具有抑制所有短通道效应的能力,在半导体工业中得到了极大的重视。FinFET的硅鳍可以是矩形、梯形、三角形、凸形、凹形等不同形状。本文讨论了基于倾角、鳍片宽度和外加栅极电压的不同鳍片结构的亚阈值摆幅、阈值电压和漏极电流。我们还考虑了三角形翅片在不同翅片宽度下的通道电容变化。讨论了阈下摆动的一些新的解析表达式。在MATLAB中,我们根据不同的finfet参数绘制了不同图形的变化,并得到了各自的结果,证明我们的维数优于其他值。
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引用次数: 1
Survey of Smart Grid Network Using Drone & PTZ Camera 无人机与PTZ摄像机在智能电网中的应用研究
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783610
Sayan Paramanik, Partha Sarathi Sarkar, Koustav Kumar Mondol, Avijit Chakraborty, Sajib Chakraborty, K. Sarker
Currently Drones become a brand new issue for Grid monitoring & security. As extremely innovative Drones area unit offered at the high value. Drones are facing various analysis & physical threats. The threats that may be caused by the attacks of drone has been enhanced. Recent object detection are dramatically improved in accuracy by victimization convolution neural networks. Sometimes GPS information will become defective underneath conduits, within subways, or close to high voltage (HV) power lines, that may result in flight inaccuracies. To optimize that, we ARE emerging a drone for whole grid structure checkups. Drones essentially use Global Positioning System (GPS) for independent control & monitoring, through image processing. This article defines a way for examine smart grid victimizing drones & employing a Pan-Tilt-Zoom (PTZ) camera. With the ambition of emerging associate self-directed flight & secure power lines for better Grid Performance & sort fault clearance with decreasing human life risk.
目前,无人机已成为电网监控与安全的一个全新课题。作为极具创新性的无人机区域单位,提供了极高的价值。无人机正面临各种分析和物理威胁。无人机袭击可能造成的威胁已经增强。受害卷积神经网络极大地提高了目标检测的精度。有时,GPS信息会在管道下、地铁内或靠近高压(HV)电力线的地方出现缺陷,这可能导致飞行不准确。为了优化这一点,我们正在开发一种用于整个网格结构检查的无人机。无人机本质上是使用全球定位系统(GPS)通过图像处理进行独立控制和监控。本文定义了一种方法来检查智能电网受害无人机&采用泛倾斜变焦(PTZ)相机。随着新兴联想自主飞行和安全电力线的雄心,以更好的电网性能和排序故障清除,降低人类生命风险。
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引用次数: 4
An Improved Edge Detection Method based on Median Filter 一种改进的中值滤波边缘检测方法
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783450
Preeti Topno, G. Murmu
To preserve the edges from corrupted noise, median filter is a popular choice for filtering algorithms. The salt and pepper noise is one of the main problems present while capturing an image. To solve this problem the edges were detected, using different edge detection operators which include Roberts, Sobel, Prewitt and Canny, prior to processing by a median filter. Several simulations were carried out over a number of digital images. The peak signal to noise ratio (PSNR) is higher using Prewitt operator than Sobel operator. Similarly, results also confirm the better performance of Canny edge detection algorithm over others for edge detection however computational cost is high in it compared to other methods.
为了保护边缘不受干扰噪声的影响,中值滤波是一种常用的滤波算法。盐和胡椒噪声是目前捕获图像的主要问题之一。为了解决这个问题,在进行中值滤波处理之前,使用不同的边缘检测算子(包括Roberts, Sobel, Prewitt和Canny)检测边缘。对一些数字图像进行了多次模拟。Prewitt算子比Sobel算子的峰值信噪比(PSNR)更高。同样,结果也证实了Canny边缘检测算法在边缘检测方面的性能优于其他方法,但与其他方法相比,其计算成本较高。
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引用次数: 10
Role of Stress/Strain Mapping in Advanced CMOS Process Technology Nodes 应力/应变映射在先进CMOS工艺技术节点中的作用
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783211
Tara Prasanna Dash, J. Jena, E. Mohapatra, S. Dey, S. Das, C. K. Maiti
Multiple-gate MOSFETs have emerged as potential candidates for the future device generations considering the continuous increase in performance requirements. Therefore, a great demand to control strain/stress and their variation in MOSFETs has recently emerged. In this work, biaxial and uniaxial strain techniques are implemented in the device channel for both p- and n-type MOSFETs. Stress/strain mapping in strained-Si and SiGe channel trapezoidal tri-gate FinFET devices are studied through three-dimensional (3D) numerical simulation, with particular focus on enhancement of drain current. Following the strain/stress profiles simulated, the piezoresistive changes are implemented in the simulator to describe the strain effects on device operation.
考虑到性能要求的不断提高,多栅极mosfet已成为未来器件一代的潜在候选者。因此,最近出现了对mosfet应变/应力及其变化控制的巨大需求。在这项工作中,在p型和n型mosfet的器件通道中实现了双轴和单轴应变技术。通过三维(3D)数值模拟研究了应变si和SiGe沟道梯形三栅极FinFET器件的应力/应变映射,特别关注漏极电流的增强。根据模拟的应变/应力曲线,在模拟器中实现压阻变化,以描述应变对设备操作的影响。
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引用次数: 3
Investigating Photonic Bandgap Width for Metamaterial based PhC Structure from Dispersion Relation 从色散关系研究超材料PhC结构的光子带隙宽度
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783747
Sangita Das, Urmimala Dey, S. De, A. Deyasi
Characteristic Lowest photonic bandgap width is analytically computed for double negative index materials from dispersion relation under propagation of TE wave. Three well-established metamaterials are considered for simulation purpose, and two lower photonic bandgaps are computed with varying incidence angle for a few materials. Results are compared with existing bandgap widths obtained for positive refractive indices based materials. Results suggest that negative index materials offer higher bandgap width than existing positive index materials, and hence may be considered as better candidate for optical filter design.
从TE波传播的色散关系出发,解析计算了双负折射率材料的特征最低光子带隙宽度。考虑了三种已知的超材料,计算了几种材料在不同入射角下的两个低光子带隙。结果与现有的正折射率材料的带隙宽度进行了比较。结果表明,负折射率材料比现有的正折射率材料具有更高的带隙宽度,因此可能被认为是光学滤光片设计的更好候选者。
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引用次数: 1
Gameplay using Reinforcement Learning 使用强化学习的游戏玩法
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783550
Dilip Kumar, Ritesh Prasad, Kumar Ritu Raj Singh, Surbhi Singh
In this article we present a study of different Reinforcement Learning algorithms and how these algorithms can be used to train agents which can achieve human level performance in different games and control tasks.
在本文中,我们介绍了不同的强化学习算法的研究,以及如何使用这些算法来训练代理,这些代理可以在不同的游戏和控制任务中达到人类水平的表现。
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引用次数: 0
High Frequency Performance of AlGaN/GaN HEMTs Fabricated on SiC Substrates SiC衬底AlGaN/GaN hemt的高频性能研究
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783562
E. Mohapatra, S. Das, Tara Prasanna Dash, S. Dey, J. Jena, C. K. Maiti
Power transistors based on gallium nitride (GaN) enable power electronic switches to operate at much higher switching frequencies compared to those based on silicon (Si). In this work, using TCAD simulations, we show that GaN-based high electron mobility transistors (HEMTs) can be optimized to have effectively reduced undesirable parasitic capacitances to greatly improve both the high transconductance and current gain cutoff frequency simultaneously. We report a new generation of high performance AlGaN/GaN HEMTs grown on high resistivity SiC substrates. We map out to evaluate small signal and large signal device performances against technological parameters such as the gate length, field plate length and the source-drain contact separation. The device with a gate length of $mathbf{0.25}mumathbf{m}$ and field plate length of $mathbf{0.3}mumathbf{m}$ exhibits a maximum dc drain current density of 3.66 A/mm at $mathbf{V}_{mathbf{GS}}=3mathbf{V}$ with an extrinsic transconductance of 233.6 mS/mm and an extrinsic current gain cut-off frequency $(mathbf{f}_{mathbf{t}})$ of 78.9 GHz.
与基于硅(Si)的功率晶体管相比,基于氮化镓(GaN)的功率晶体管使电力电子开关能够以更高的开关频率工作。在这项工作中,使用TCAD模拟,我们表明基于氮化镓的高电子迁移率晶体管(hemt)可以优化,有效地减少不必要的寄生电容,从而同时大大提高高跨导和电流增益截止频率。我们报道了在高电阻SiC衬底上生长的新一代高性能AlGaN/GaN hemt。我们打算根据栅极长度、场极板长度和源漏接触距离等技术参数来评估小信号和大信号器件的性能。该器件栅极长度为$mathbf{0.25}mumathbf{m}$,场极板长度为$mathbf{0.3}mumathbf{m}$,在$mathbf{V}_{mathbf{GS}}=3mathbf{V}$时,最大直流漏极电流密度为3.66 a /mm,外在跨导为233.6 mS/mm,外在电流增益截止频率$(mathbf{f}_{mathbf{t}})$为78.9 GHz。
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引用次数: 0
A Novel Model for Analyzing Current-Voltage Characterization of SiC MOSFET 一种分析SiC MOSFET电流电压特性的新模型
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783905
Sabuj Sarkar, Saikat Adhikary, Md. Mostafizur Rahman
This paper mainly proposes a novel current-voltage characteristic model of silicon carbide metal-oxide semiconductor field effect transistor (SiC MOSFET) for achieving significant amount of drain current performance. First, drain current characteristics is performed for increasing gate-source voltage with variable mobility and channel length circumstances. Then I-V characteristics of SiC MOSFET are compared and evaluated for different operating states i.e. cut-off, linear and saturation. Later, drain current is characterized with varying the transconductance. Finally the drain current is simulated for the proposed novel method and it is with that of existing method. From the simulated performance, it is obvious that the performance in terms of drain current increases significantly for the novel model than that of the existing model.
本文主要提出了一种新型的碳化硅金属氧化物半导体场效应晶体管(SiC MOSFET)的电流-电压特性模型,以获得显著的漏极电流性能。首先,在可变迁移率和通道长度的情况下增加栅极源电压时,执行漏极电流特性。然后比较和评估了SiC MOSFET在不同工作状态(截止、线性和饱和)下的I-V特性。然后,漏极电流随跨导的变化而变化。最后对该方法的漏极电流进行了仿真,并与现有方法的漏极电流进行了比较。从仿真性能来看,与现有模型相比,新模型在漏极电流方面的性能明显提高。
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引用次数: 0
期刊
2019 Devices for Integrated Circuit (DevIC)
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