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2013 IEEE International Conference ON Emerging Trends in Computing, Communication and Nanotechnology (ICECCN)最新文献

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Detection of architectural distortion in mammogram images using contourlet transform 基于contourlet变换的乳房x线图像结构畸变检测
S. Anand, R. Rathna
This paper presents the detection of architectural distortion a common classification of cancer, using countourlet transform and the phase portrait methods. The architectural distortion is a very important finding in interpreting breast cancers as well as microcalcification and mass on mammograms. However, it is more difficult for physicians to detect architectural distortion than microcalcification and mass. The proposed detection method consists of five steps. Initially, the Otsu technique was performed for segmentation. In order to smooth the edges, the top-hat processing was performed. The contourlet decomposing is performed so that the image can be filtered in multidirections; the phase portrait analysis is done for the orientation analysis purpose. The false positives were eliminated by their concentration of white spaces in the sliding window. Our image database consisted 16 cases from MIAS with architectural distortions. As a result, it was convincing that our methods were effective to detect architectural distortions and further need to be increased with the textural analysis.
本文介绍了一种常用的癌症分类——建筑畸变的检测方法,该方法采用了计数let变换和相位画像方法。结构扭曲在解释乳腺癌以及乳房x光片上的微钙化和肿块方面是一个非常重要的发现。然而,对于医生来说,检测结构扭曲比检测微钙化和肿块更困难。所提出的检测方法包括五个步骤。最初,使用Otsu技术进行分割。为了使边缘光滑,进行了顶帽处理。进行轮廓波分解,使图像能够在多个方向上进行滤波;相位肖像分析是为了进行定向分析。假阳性通过滑动窗口中白色空间的集中而消除。我们的图像数据库包括16例具有建筑畸变的MIAS。因此,令人信服的是,我们的方法可以有效地检测建筑变形,并且需要进一步增加纹理分析。
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引用次数: 12
Disambiguated archieve rectification 消除歧义的档案更正
M. Eldhose, C. Rekha
This paper presents entry for aura response for character recognition and the handwritten or printed text translation into editable text. The objective is to identify handwritten characters with the help of neural networks and facilitates the conversion of handwritten documents to editable text from document images. Handwritten contentedness boasts challenges that are seldom encountered in machine-printed text. The translation basis is either mechanical or electronic translation. This is not easy since different people have different handwriting styles. Assigning distinct templates to each and every alphabet and numbers is the approach described. This concept can be a trademark in data entry applications. The suggested method is simple, have promising discrimination accuracy and less time complexity.
本文介绍了用于字符识别和将手写或印刷文本翻译成可编辑文本的光环响应条目。目标是在神经网络的帮助下识别手写字符,并促进将手写文档从文档图像转换为可编辑的文本。手写的内容具有在机器打印文本中很少遇到的挑战。翻译依据是机械翻译或电子翻译。这并不容易,因为不同的人有不同的书写风格。为每个字母和数字分配不同的模板是所描述的方法。这个概念可以成为数据输入应用程序中的商标。该方法简单、识别精度高、时间复杂度小。
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引用次数: 3
On recognition of human orientation with respect to a static camera 基于静态摄像机的人体方位识别
S. Roy
Detection of orientation of a human being with respect to a static camera is an important problem in computer vision. This paper proposes a method for detection of orientation of a human being from four different orientations (e.g. front, side-left, side-right, back) with respect to a static camera. In the proposed method, extraction of features of a human being has been performed in terms of boundary description known as the signature. A template database of four different human orientations has been created. The extracted features of a testing sample have been compared with that stored in the template database and a dissimilarity value has been calculated. The classification has been performed using the dissimilarity value as a metric. The results obtained are encouraging.
相对于静态摄像机的人体方向检测是计算机视觉中的一个重要问题。本文提出了一种针对静态摄像机,从四个不同的方向(如前、左、右、后)检测人体方向的方法。在提出的方法中,人类特征的提取是根据被称为签名的边界描述进行的。创建了一个包含四种不同人类取向的模板数据库。将提取的测试样本的特征与存储在模板数据库中的特征进行比较,并计算不相似值。使用不相似度值作为度量来执行分类。所取得的结果令人鼓舞。
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引用次数: 1
Interference suppression using de-correlating rake receiver in case of WCDMA WCDMA下的去相关rake接收机干扰抑制
S. Patel, S. K. Patra
Rake receivers are used for the detection of transmitted data in case of WCDMA communication systems due to its resistance to multipath fading. But rake receiver treat multiuser interference (MUI) as AWGN and have limitation in overcoming the effect of multiple access interference (MAI) when the SNR is high. A de-correlating matched filter has been used in this paper, which eliminates and improves system performance. Simulated results show a significant performance improvement for De-correlating RAKE receiver in terms of BER compared to a rake receiver. The performance of the de-correlating receiver for different spreading factor is also analysed.
在WCDMA通信系统中,Rake接收机由于具有抗多径衰落的特性,被用于传输数据的检测。但耙式接收机将多用户干扰(MUI)视为AWGN,在高信噪比条件下克服多址干扰(MAI)的影响存在局限性。本文采用了去相关匹配滤波器,消除了干扰,提高了系统性能。仿真结果表明,与RAKE接收机相比,去相关RAKE接收机在误码率方面的性能有了显著提高。分析了不同扩频系数下去相关接收机的性能。
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引用次数: 1
Singing pitch extraction and voice separation from music accompaniment using trend estimation and tandem algorithm 基于趋势估计和串联算法的音乐伴奏中音高提取和语音分离
P. Selvan, V. Vaishnavi
The interdependency between pitch estimation and pitch-based separation creates a problem for pitch estimation and voice separation. It is observed that the target pitch can be estimated from a few harmonics of the target signal. The trend estimation algorithm is proposed to bound the singing pitch in a plausible range and an extended tandem algorithm is also proposed that estimates target pitch and separates singing voice from music accompaniment iteratively. By coupling with the proposed trend estimation, the tandem algorithm is improved significantly for both pitch estimation and voice separation in musical recordings. Systematic evaluation shows that the proposed algorithm performs significantly better than a previous CASA and a model-based system.
音高估计和基于音高的分离之间的相互依赖关系给音高估计和语音分离带来了问题。结果表明,从目标信号的几个谐波中可以估计出目标基音。提出了一种趋势估计算法,将歌唱音高限定在一个合理的范围内,并提出了一种扩展的串联算法,对目标音高进行估计,迭代分离歌唱声音和音乐伴奏。通过与所提出的趋势估计相结合,串列算法在音高估计和语音分离方面都得到了显著改进。系统评价表明,该算法的性能明显优于以前的CASA和基于模型的系统。
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引用次数: 1
Look-Ahead Fuzzy Logic Controller for Vehicle Suspension System 汽车悬架系统的前瞻模糊控制器
S. Lavanya, K. Rajeswari
In this paper, Look-Ahead Fuzzy Logic Controller is proposed for Vehicle Suspension System (VSS). Look-Ahead Fuzzy Logic Controller introduces Grey Prediction algorithm to pre-compensate rather than post-compensate the system output error. Grey Prediction algorithm is used to predict the position output error and rate of change of error of the sprung mass. The proposed controller is simulated for Quarter Car model in MATLAB. Simulation results show that the proposed controller enhances the ride comfort of VSS when compared to Traditional Fuzzy Logic controller and passive system.
提出了一种用于车辆悬架系统的前瞻模糊控制器。前瞻模糊控制器引入灰色预测算法对系统输出误差进行预补偿,而不是后补偿。采用灰色预测算法预测簧载质量的位置输出误差和误差变化率。在MATLAB中对所提出的控制器进行了四分之一小车模型的仿真。仿真结果表明,与传统的模糊控制器和被动系统相比,该控制器提高了VSS的平顺性。
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引用次数: 2
Split ring resonator and its evolved structures over the past decade: This paper discusses the nuances of the most celebrated composite particle (split-ring resonator) with which novel artificial structured materials (called metamaterials) are built 分裂环谐振器及其在过去十年中演变的结构:本文讨论了最著名的复合粒子(分裂环谐振器)的细微差别,新型人工结构材料(称为超材料)就是用它来构建的
R. Nutan, S. Raghavan
The introduction of the initial split-ring resonator(SRR) structure, inspired by the pioneering works of Pendry was a major breakthrough in realizing MNG(μ-negative) medium which is an essential component of left-handed medium(LHM). Since then SRR has been a major topic of interest in the metamaterial research fraternity. A complete review on the working of SRR, pros and cons of using SRR in microwave applications over other naturally existing magnetic materials is presented in this paper. Various parameters influencing the resonant frequency of SRR are also discussed. In the quest for achieving reduced size and improved performance different structures have been proposed by researchers. Complete survey on different structures that have evolved over the period are discussed.
受Pendry的开创性工作启发,引入了初始分裂环谐振器(SRR)结构,这是实现左手介质(LHM)的重要组成部分MNG(μ负)介质的重大突破。自那以后,SRR一直是超材料研究领域的一个重要课题。本文全面综述了SRR的工作原理,以及与其他天然磁性材料相比,在微波应用中使用SRR的利弊。讨论了各种参数对SRR谐振频率的影响。在追求缩小尺寸和提高性能的过程中,研究人员提出了不同的结构。对这一时期演变的不同结构进行了全面调查。
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引用次数: 32
ORBIT: Hybrid movie recommendation engine ORBIT:混合电影推荐引擎
D. Pathak, S. Matharia, C. Murthy
Today, users will get so many movie recommendations websites, which suggest users best movies according to their interests. All these websites have implemented one of the conventional content, context and collaborative recommendations algorithms. Alone, these algorithms are failed to recommend best and efficient recommendations to user. So, there is a need to evolve a unique algorithm which combines the features of conventional algorithm along with its new features. This paper describes the ORBIT, which is a movie recommendation engine, based on a unique Hybrid recommendation algorithm, satisfies a user by providing best and efficient books recommendations. Comparative case study of conventional recommendation algorithms to ORBIT's Hybrid movie recommendation algorithm has also been studied and presented in this paper. This case study is based on evaluating criteria of recommendation algorithm i.e. accuracy, precision, recall, F-measure etc. Results of this case study are represented in the form of tables and graphs to clearly specify the need of ORBIT.
今天,用户会得到很多电影推荐网站,这些网站会根据用户的兴趣向他们推荐最好的电影。所有这些网站都实现了一种传统的内容、上下文和协同推荐算法。单独使用这些算法,无法为用户提供最优、最有效的推荐。因此,有必要发展一种独特的算法,将传统算法的特点与它的新特点相结合。ORBIT是一个电影推荐引擎,它基于一种独特的混合推荐算法,通过提供最佳和高效的图书推荐来满足用户的需求。本文还对传统推荐算法与ORBIT的混合电影推荐算法进行了案例对比研究。本案例研究基于推荐算法的评价标准,即准确率、精密度、召回率、F-measure等。本案例研究的结果以表格和图表的形式表示,以清楚地说明轨道的需要。
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引用次数: 17
Fuzzy logic based railway track condition monitoring system 基于模糊逻辑的铁路轨道状态监测系统
C. Chellaswamy, V. Akila, A. Dinesh Babu, N. K. Arasan
In recent years, the need to improve the quality and comfort of railway passengers, there has been increased demands to reduce the level of noise and vibration, experienced during travel. Different researches have focused on reducing the level of vibration. Track irregularities are the main causes of vibration and thus carefully monitor the parameter to improve the ride quality. Vibration may arise vertically and laterally, in this vertical vibration is higher. In this paper, we proposed a new method called Fuzzy Track Monitoring System (FTMS) for estimating the irregularities present in the railway track at running time. The vibration sensor is mounted on the axel box and the bogie of the train for measuring the acceleration in the lateral and vertical directions. The system automatically tracks the location of vibration and sends it to the central office. The performance of proposed approach was studied and it proves that the proposed approach is capable for real time measurements.
近年来,为了提高铁路乘客的质量和舒适度,人们对降低旅行过程中所经历的噪音和振动水平的要求越来越高。不同的研究都集中在降低振动水平上。轨道不平整是引起振动的主要原因,因此要仔细监测参数,以提高乘坐质量。纵向和横向均可产生振动,其中纵向振动较大。在本文中,我们提出了一种新的方法,称为模糊轨道监测系统(FTMS)来估计铁路轨道在运行时存在的不规则性。振动传感器安装在列车的半轴箱和转向架上,用于测量横向和垂直方向的加速度。系统自动跟踪振动的位置并将其发送到中心办公室。研究了该方法的性能,证明了该方法能够实现实时测量。
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引用次数: 8
ASIC implementation of DDR SDRAM Memory Controller DDR SDRAM内存控制器的ASIC实现
A. Bakshi, S. S. Pandey, T. Pradhan, R. Dey
A Dedicated Memory Controller is of prime importance in applications that do not contain microprocessors (high-end applications). The Memory Controller provides command signals for memory refresh, read and write operation and initialization of SDRAM. Our work will focus on ASIC Design methodology of Double Data Rate (DDR) SDRAM Controller that is located between the DDR SDRAM and Bus Master. The Controller simplifies the SDRAM command interface to standard system read/write interface and also optimizes the access time of read/write cycle. Double Data Rate (DDR) SDRAM Controller is implemented using Cadence RTL Compiler.
专用内存控制器在不包含微处理器的应用程序(高端应用程序)中非常重要。内存控制器提供内存刷新、读写操作和SDRAM初始化的命令信号。我们的工作将集中在双数据速率(DDR) SDRAM控制器的ASIC设计方法,该控制器位于DDR SDRAM和总线主机之间。该控制器将SDRAM命令接口简化为标准的系统读写接口,优化了读写周期的访问时间。DDR (Double Data Rate) SDRAM控制器使用Cadence RTL Compiler实现。
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引用次数: 8
期刊
2013 IEEE International Conference ON Emerging Trends in Computing, Communication and Nanotechnology (ICECCN)
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