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2017 IEEE International Conference on Circuits and Systems (ICCS)最新文献

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Performance assessment of bamboo blade wind turbine as a green composite 绿色复合材料竹叶片风力机性能评价
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8326021
P. Sreeram, H. Ramachandran, R. R. Kumar
This paper demonstrates the feasibility of using eco-friendly turbine blades made from compressed bamboo orthotropic wood as a replacement for conventional FRP composite blade. A prototype windmill was fabricated with treated Dendrocalamus strictus bamboo blade and performance as a wind turbine is compared with conventional FRP blade. The mass of bamboo blade is about 20% more than the latter one. A 12V 100Ah battery was used to regulate the power output to a connected load of 15 Q 10W. The prototype mill made of CFRP composite blade running at 267rpm at a wind speed of 2.5 m/s produced 1.1W output, while the bamboo blade wind mill that 0.7 times less blade length at similar conditions produced 0.95W output, even though modulus and strength of the compressed bamboo wood is less than FRP blade configuration.
本文论证了使用由压缩竹正交异性木材制成的环保涡轮叶片替代传统FRP复合叶片的可行性。利用处理过的竹材叶片制作了风力机样机,并与常规叶片进行了性能比较。竹叶的质量比竹叶的质量大20%左右。一个12V 100Ah的电池被用来调节输出功率到一个连接负载15q10w。在2.5 m/s风速下,以267rpm转速运行的CFRP复合叶片原型风车的输出功率为1.1W,而在相同条件下,叶片长度少0.7倍的竹叶片风车的输出功率为0.95W,即使压缩竹木的模量和强度小于FRP叶片配置。
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引用次数: 2
Efficient preprocessing filters and mass segmentation techniques for mammogram images 乳房x光图像的高效预处理滤波器和质量分割技术
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8326032
M. George, S. Sankar
Breast tumor is a champion among the most broadly perceived sort of development among women that creates from breast tissue. Still the correct reason for the breast disease stays obscure. Early discovery and determination is the best methodology to control the tumor movement. Mammography is the right now suggested imaging strategy for early assurance and determination of breast danger. A mammogram can distinguish unusual areas in the breast that resemble a malignancy. Mammogram pictures are observed to be hard to decipher so a CAD is turning into an undeniably essential device to help radiologist in the mammographic lesion interpretation. Preprocessing was considered as an essential stride in mammogram picture investigation. Exactness of preprocessing will decide the achievement of the rest of the procedure, for example, segmentation, classification and so forth. In this paper, mean, median, adaptive median, gaussian and wiener denoising filters are utilized to evacuate salt and pepper, speckle and gaussian noises from a mammogram picture and these filters were looked at in light of the parameters, for example, PSNR, MSE and SNR to figure out which filter is better to remove these noises in mammogram pictures. The segmentation is a process in which changing the representation of an image such that it is easier to analyse. This paper compares various mass segmentation techniques used in mammogram images.
乳房肿瘤是女性中最广为人知的一种由乳房组织产生的疾病。乳腺疾病的正确原因仍然不清楚。早期发现和诊断是控制肿瘤运动的最佳方法。乳房x线照相术是目前建议的早期确定和确定乳房危险的成像策略。乳房x光检查可以区分乳腺中类似恶性肿瘤的异常区域。人们观察到乳房x光照片很难辨认,因此CAD正在成为帮助放射科医生解释乳房x光照片病变的不可否认的重要设备。预处理被认为是乳房x光图像调查的重要一步。预处理的准确性将决定后续程序的效果,如分割、分类等。本文利用均值、中值、自适应中值、高斯和维纳去噪滤波器从乳房x线照片中去除盐和胡椒、斑点和高斯噪声,并根据PSNR、MSE和SNR等参数对这些滤波器进行研究,找出哪种滤波器能更好地去除乳房x线照片中的这些噪声。分割是一个过程,其中改变图像的表示,使其更容易分析。本文比较了乳房x光图像中使用的各种质量分割技术。
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引用次数: 18
A survey on the design and performance of various MAC unit architectures 各种MAC单元架构的设计和性能综述
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8326011
S. Rakesh, K. S. V. Grace
The rapid advancements in science and technology has augmented the demand for Digital Signal Processors (DSPs) with high computing performance and real time processing capabilities. Multiply Accumulate (MAC) Unit is one of the most significant blocks which helps a DSP to achieve high performance. The performance of the MAC unit determines the ultimate overall performance of the system. Several MAC unit designs have been developed and implemented so far to achieve better performance parameters. This paper provides an overview of the different designs used in a MAC unit in order to improve its performance.
随着科学技术的飞速发展,对具有高计算性能和实时处理能力的数字信号处理器(dsp)的需求越来越大。MAC (Multiply Accumulate)单元是DSP实现高性能的重要模块之一。MAC单元的性能决定了系统的最终整体性能。到目前为止,已经开发和实施了几种MAC单元设计,以实现更好的性能参数。本文概述了用于MAC单元的不同设计,以提高其性能。
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引用次数: 8
Design of miniaturised FSS microstrip antenna for Ku band applications Ku波段小型化FSS微带天线设计
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8326012
Daisy Sharma, T. Shanmuganantham
Recent years FSS is a trend in antenna design to improve the performance. In this paper designed FSS Microstrip patch antenna for Ku band applications. The substrate used is F4B-2 with permittivity of 2.65 and height of the substrate is 1 mm is used. F-shaped patch design is introduced to improve antenna performance. F-shaped antenna works well in the Ku band between 12 to 18 GHz. The proposed model has better gain and bandwidth. The simulated results relatively agree well with the conventional design results. HFSS Software is used to design and simulate the antenna performance.
FSS是近年来天线设计中提高性能的一种趋势。本文设计了用于Ku波段的FSS微带贴片天线。使用的衬底为F4B-2,介电常数为2.65,衬底高度为1mm。引入f型贴片设计,提高天线性能。f型天线在12 ~ 18 GHz的Ku频段工作良好。该模型具有较好的增益和带宽。仿真结果与常规设计结果比较吻合。利用HFSS软件对天线性能进行了设计和仿真。
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引用次数: 1
Comparative analysis of circular patch antenna with CSRR for multiband applications 圆形贴片天线与CSRR在多波段应用中的比较分析
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8326018
V. Priyanka, T. Shanmuganantham
A circular patch CSRR antenna has been designed. To this antenna certain geometrical modifications has been made and they are presented as three structurally modified antennas. The first design is a circular-heptagonal patch with a triangular slot. This antenna resulted in a single band application so a triangular slot is directly introduced on the circular patch by removing the heptagon and this antenna is used for triple band applications. The triangular slot was removed from the circular-heptagonal patch and this results in a multiband resonance with five resonating frequencies and this antenna has better gain when compared with the other two designs and this antenna resonates at 3.5 GHZ used for WiMAX, 6.9 GHZ RFID, 8.9 GHZ Maritime radio navigation 10.2 GHZ Amateur satellite radionavigation, 12.4 GHZ fixed broadcasting satellite applications.
设计了一种圆形贴片CSRR天线。对该天线进行了一定的几何修改,并提出了三个结构修改的天线。第一种设计是带三角形槽的圆七角形贴片。这种天线导致了单波段应用,因此通过去除七边形直接在圆形贴片上引入三角形槽,这种天线用于三波段应用。三角形槽从圆形七角形贴片中移除,这导致了五个谐振频率的多频带谐振,与其他两种设计相比,该天线具有更好的增益,该天线在3.5 GHZ谐振,用于WiMAX, 6.9 GHZ RFID, 8.9 GHZ海事无线电导航10.2 GHZ业余卫星无线电导航,12.4 GHZ固定广播卫星应用。
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引用次数: 2
Development of gamma radiation dosimeter using copper phthalocyanine & zinc phthalocyanine based OFET 基于酞菁铜和酞菁锌的OFET伽马辐射剂量计的研制
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8326036
Divya K. Nair, K. Kumar
Organic field effect transistor using copper phthalocyanine and zinc phthalocyanine as a source material are synthesized and investigated for Y-radiation dosimetry purposes. Samples are fabricated using thermal evaporation technique. The present investigation includes the studies on characteristics of both copper phthalocyanine and zinc phthalocyanine based organic transistor. The linear response to Y-radiation in the optical properties of copper phthalocyanine and zinc phthalocyanine were observed upto a certain level. The observed response suggest that copper phthalocyanine and zinc phthalocyanine based organic transistor can be considered as effective materials for room temperature Y-radiation dosimeters.
合成了以酞菁铜和酞菁锌为源材料的有机场效应晶体管,并对其用于y辐射剂量测定进行了研究。采用热蒸发技术制备样品。本文主要研究了酞菁铜基有机晶体管和酞菁锌基有机晶体管的特性。酞菁铜和酞菁锌的光学性质在一定程度上对y辐射有线性响应。结果表明,酞菁铜基和酞菁锌基有机晶体管可作为室温y辐射剂量计的有效材料。
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引用次数: 1
A novel method based on chan vese segmentation for salient structure detection 一种基于矢量分割的凸点结构检测方法
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8326033
G. Babu, R. P. Aneesh, G. Nayar
Visual saliency detection is an advanced approach which analyse the noticeable objects from hasty scenes in our day to day routines. But fixation prediction model i n messy environment is tough to put into action. Contour Based Spatial Prior(CBSP) method is currently used in extracting salient structures from messy scenes. Irregular edges is one among the shortcoming of salient detected image segments. In this paper, a novel technique is suggested to segment the salient objects from both complex and simple scenes. The method is a two path-way based searching scheme and provides processing of local and global information in parallel. Chan Vese based segmentation is used to extract the contours. Multilevel thresholding is used for YCbCr colorspace. The depth of the salient object is also estimated to classify the objects inside the scenes. This method is successfully tested with MSRA, ECSSD dataset and acquired an accuracy of above 94%.
视觉显著性检测是一种先进的方法,用于分析我们日常生活中匆忙的场景中值得注意的物体。但固定预测模型在复杂环境下难以实现。基于轮廓的空间先验(CBSP)方法是目前从杂乱场景中提取显著结构的常用方法。边缘不规则是显著性检测图像片段的缺点之一。本文提出了一种从复杂和简单场景中分割突出目标的新方法。该方法是一种基于双路径的搜索方案,并提供局部和全局信息的并行处理。采用基于Chan Vese的分割方法提取轮廓。多层阈值法用于YCbCr色彩空间。同时估计突出物体的深度,对场景内的物体进行分类。该方法在MSRA、ECSSD数据集上进行了测试,准确率达到94%以上。
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引用次数: 4
Energy analysis and load reduction strategies for a low rise building in composite climate of India 印度复合气候下低层建筑的能源分析与减载策略
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8325998
Mobi Mathew, S. Kini, E. P. M. Shafeeque
The commercial building sector is one of the major energy consuming sector in an economy. Building sector of India is consuming nearly 40% of energy, which is expected to increase up to 76% by 2040. Building energy modelling is thus essential in order to find the major energy consuming sections of any building and based on the same, energy conservation measures or building load reduction strategies can be adopted in order to reduce the building's energy consumption. In this paper, a building located in New Delhi, India is considered and modelled in building energy simulating software called eQUEST 3.65. This paper details the energy modelling in eQUEST. Energy efficiency o f t he building is also analyzed followed by suggesting strategies that would result in further energy savings. The suggested strategies are also modelled in eQUEST and the expected energy savings are obtained. Energy savings and Energy Performance Index (EPI) are considered as the performance indicators in this paper.
商业建筑部门是经济中主要的能源消耗部门之一。印度的建筑部门消耗了近40%的能源,预计到2040年将增加到76%。因此,建筑物能源模型对于找出任何建筑物的主要能源消耗部分至关重要,并且可以在此基础上采取节能措施或减少建筑物负荷的策略,以减少建筑物的能源消耗。本文以位于印度新德里的一栋建筑为研究对象,在eQUEST 3.65建筑能耗模拟软件中进行建模。本文详细介绍了eQUEST中的能量建模方法。还分析了建筑物的能源效率,然后提出了进一步节约能源的策略。建议的策略也在eQUEST中建模,并获得预期的节能。本文以节能和能源绩效指数(EPI)作为绩效指标。
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引用次数: 1
CPW fed Arc shaped UWB slot antenna for on body applications CPW馈电弧形超宽带槽天线,用于机身应用
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8325962
J. Gandhimohan, T. Shanmuganantham
In this paper, we introduces Arc shaped UWB slot antenna fed by CPW. This structure is designed for wireless on-body applications. The dimensions of proposed structure is 33 × 31 × 1.6 mm3, which is developed by using a FR-4 substrate. The dielectric constant of 4.4 and thickness chosen for this design is 1.6 mm. The defective ground structure and bio-skin layer at bottom of the antenna is introduced to improve performance of the antenna for on-body communication. The proposed antenna will provides two resonant frequencies 5.12 GHz and 7GHz and their reflection coefficient values are −13.52 dB, −20dB and also discussing computer simulation results like return loss, VSWR, gain, radiation patterns, efficiencies and surface current.
本文介绍了一种基于CPW馈电的弧形超宽带缝隙天线。这种结构是为无线车载应用设计的。提出的结构尺寸为33 × 31 × 1.6 mm3,采用FR-4衬底开发。介电常数为4.4,本设计选用的厚度为1.6 mm。为了提高天线的身体通信性能,在天线底部引入了缺陷的接地结构和生物皮肤层。该天线将提供5.12 GHz和7GHz两个谐振频率,其反射系数值分别为- 13.52 dB和- 20dB,并讨论了回波损耗、驻波比、增益、辐射方向图、效率和表面电流等计算机模拟结果。
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引用次数: 3
Computerized macular edema detection using OCT images: A review 计算机黄斑水肿检测的OCT图像:综述
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8326031
S. C. Athira, Reena M. Roy
This article reviews the existing approaches that are used for computerized detection of Macular Edema (ME), which is one of the leading causes of blindness among majority. It takes place when there is unusual leakage and accumulation of fluid inside the macula from broken blood vessels within the nearby retina. Any disorder that damages blood vessels inside retina can reason. The signs of ME are not apparent in the early stages and it is difficult to diagnose at its advanced stages. Optical coherence tomography (OCT) is the modern day eye exam approach which gives cross sectional location of retinal layers, and can be utilized for the earlier detection of ME. Different algorithms were implemented to detect ME from OCT images. This article focuses on identifying a computerized algorithm that could detect ME at earlier stages with great level of accuracy.
这篇文章回顾了现有的方法,用于计算机检测黄斑水肿(ME),这是大多数人失明的主要原因之一。当黄斑附近视网膜血管破裂导致异常渗漏和液体积聚时,就会发生黄斑病变。任何损害视网膜内血管的疾病都可能引起视网膜病变。肌痛性脊髓炎的症状在早期不明显,在晚期很难诊断。光学相干断层扫描(OCT)是现代眼科检查方法,可提供视网膜层的横截面位置,可用于早期检测ME。采用不同的算法从OCT图像中检测ME。本文的重点是确定一种计算机化算法,该算法可以在早期阶段以很高的准确性检测ME。
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引用次数: 3
期刊
2017 IEEE International Conference on Circuits and Systems (ICCS)
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