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2010 INTERNATIONAL CONFERENCE ON COMMUNICATION CONTROL AND COMPUTING TECHNOLOGIES最新文献

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Development of real-time tracking and control mobile robot using video capturing feature for unmanned applications 开发实时跟踪和控制移动机器人的视频捕捉功能,为无人应用
Pub Date : 2010-12-17 DOI: 10.1109/ICCCCT.2010.5670533
P. Velrajkumar, S. Solai Manohar, Cv Aravind, A. Darwin Jose Raju, R. Arshad
A wireless tracking and controlling the mobile robot using video capturing feature (VCF) for unmanned applications is presented. It is a wheel-based and Radio frequency (RF wireless communicated) is used for communication between controller and the robot. The available motions of the robot are forward, backward, right, left and the combination of these movements. Besides, a camera is built in the robot for tracking. The video captured by the camera is displayed in the computer or Laptop by using the Window Media Encoder (WME) software that is able to be controlled by using Windows GUI remote control. It is built for the purpose of viewing the places that humans cannot reach. Same with other robots which are built to work at dangerous environment, it can be used to explore the situation of dangerous place that human cannot reach, for example, the natural disaster area, cave, underground and so on. On the others hand, it can also serve as an investigation robot in military field. It suits the task of searching for ambush or sneaking into enemy base to gather information
提出了一种基于视频捕捉特性(VCF)的无人应用移动机器人无线跟踪控制方法。它是一种基于车轮和无线通信的射频(RF无线通信)用于控制器和机器人之间的通信。机器人的可用动作是向前、向后、向右、向左以及这些动作的组合。此外,机器人内置了一个摄像头用于跟踪。摄像机拍摄的视频通过Windows Media Encoder (WME)软件显示在计算机或笔记本电脑上,该软件可通过Windows GUI遥控器进行控制。它是为了观察人类无法到达的地方而建造的。与其他机器人一样,它是为在危险环境下工作而建造的,它可以用来探索人类无法到达的危险地方的情况,例如自然灾区,洞穴,地下等。另一方面,它也可以作为军事领域的调查机器人。它适合搜索伏击或潜入敌人基地收集情报的任务
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引用次数: 9
Removing non-informative blocks from the web pages 从网页中删除非信息块
Pub Date : 2010-12-17 DOI: 10.1109/ICCCCT.2010.5670731
R. Gunasundari, S. Karthikeyan
With the enormous growth on the web, users get easily lost in the rich hyper structure. Thus developing user friendly and automated tools for providing relevant information without any redundant links to the users to cater to their needs is the primary task for the website owners. But user is interested only in the informative contents and not in non-informative content blocks. Web pages often contain navigation sidebars, advertisements, search blocks, copyright notices, etc which are not content blocks. The information contained in these non-content blocks can harm web mining. So it is important to separate the informative primary content blocks from non-informative blocks. In this paper are proposed three different algorithms for removing non-content blocks from the web pages. Removal of non-informative content blocks from web pages can achieve significant storage and time saving.
随着网络的飞速发展,用户很容易迷失在丰富的超结构中。因此,网站所有者的首要任务是开发用户友好和自动化的工具,以提供有关的信息,而不需要任何多余的链接,以满足用户的需要。但用户只对信息性内容感兴趣,对非信息性内容块不感兴趣。网页通常包含导航侧边栏、广告、搜索块、版权声明等,这些都不是内容块。这些非内容块中包含的信息可能会损害web挖掘。因此,将信息性的主要内容块与非信息性的主要内容块分开是很重要的。本文提出了三种不同的算法来从网页中去除非内容块。从网页中删除非信息性内容块可以实现显著的存储和节省时间。
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引用次数: 4
Performance based CBR Mass detection in mammograms 基于CBR性能的乳房x线影像肿块检测
Pub Date : 2010-12-17 DOI: 10.1109/ICCCCT.2010.5670776
V. Raman, P. Sumari, J. Lekha, E. G. Dharma Prakash raj
Breast cancer continues to be a significant public health problem in the world. Early detection is the key for improving breast cancer prognosis. Mammography has been one of the most reliable methods for early detection of breast carcinomas. However, it is difficult for radiologists to provide both accurate and uniform evaluation for the enormous mammograms generated in widespread screening. The main objective of this paper is to enhance, detect and classify masses in digital mammogram. We develop a performance based case-based reasoning classification algorithm for mammographic findings to provide support for the clinical decision to perform biopsy of the breast. The developed classifier will be used for training and testing the images which is cancerous and noncancerous and improve the performance of the system.
乳腺癌仍然是世界上一个重大的公共卫生问题。早期发现是改善乳腺癌预后的关键。乳房x光检查是早期发现乳腺癌最可靠的方法之一。然而,放射科医生很难对广泛筛查中产生的大量乳房x光片提供准确和统一的评估。本文的主要目的是对数字乳房x光检查中的肿块进行增强、检测和分类。我们开发了一种基于乳腺x光检查结果的基于病例的推理分类算法,为临床决定进行乳腺活检提供支持。所开发的分类器将用于癌变和非癌变图像的训练和测试,提高系统的性能。
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引用次数: 5
UWB bandpass filter with notched band for the rejection of 5 GHz WLAN using hexagonal multiple mode resonator 带陷波带的UWB带通滤波器,用于抑制使用六边形多模谐振器的5ghz WLAN
Pub Date : 2010-12-17 DOI: 10.1109/ICCCCT.2010.5670785
K. Thirumalaivasan, R. Nakkeeran
This paper presents an ultra-wideband (UWB) bandpass filter for UWB applications and notch filter for the purpose of reducing interference from the WLAN (802.11a) when it coexist with UWB radio system. The bandpass filter consists of a hexagonal shaped multiple mode resonator (MMR) with interdigital coupling at both sides. The notch filter consists of four identical open ended stubs nearby the MMR which introduce a narrow rejection band in the UWB passband. Such UWB bandpass filter with notched band is useful and required in practical systems in order to avoid the interference from the existing WLAN to the UWB radio system. The analysis of the proposed filter is performed by using an electromagnetic (EM) solver, IE3D. The group delay obtained for bandpass filter is below 0.2 ns and for notch filter it is about 0.3 ns. With the above structural features the overall dimension of the filter is 38 mm (length) × 3.2 mm (breadth) × 1.6 mm (height) and the fractional bandwidth of the UWB bandpass filter is about 120.48% with return loss is about −40 dB.
本文提出了一种用于超宽带应用的超宽带(UWB)带通滤波器和用于减少来自WLAN (802.11a)与超宽带无线电系统共存时的干扰的陷波滤波器。该带通滤波器由两侧具有数字间耦合的六角形多模谐振器(MMR)组成。陷波滤波器由靠近MMR的四个相同的开端存根组成,在UWB通带中引入窄抑制带。为了避免现有无线局域网对UWB无线电系统的干扰,这种带陷波带的UWB带通滤波器在实际系统中是有用的,也是必需的。利用电磁求解器IE3D对所提出的滤波器进行了分析。带通滤波器的群延迟小于0.2 ns,陷波滤波器的群延迟约为0.3 ns。基于上述结构特点,该滤波器的整体尺寸为38 mm(长)× 3.2 mm(宽)× 1.6 mm(高),UWB带通滤波器的分数带宽约为120.48%,回波损耗约为- 40 dB。
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引用次数: 6
An improved technique for evolving wavelet coefficients for fingerprint image compression 一种改进的指纹图像小波系数演化技术
Pub Date : 2010-12-17 DOI: 10.1109/ICCCCT.2010.5670756
K. T. Shanavaz, P. Mythili
In this paper, an improved technique for evolving wavelet coefficients refined for compression and reconstruction of fingerprint images is presented. The FBI fingerprint compression standard [1, 2] uses the cdf 9/7 wavelet filter coefficients. Lifting scheme is an efficient way to represent classical wavelets with fewer filter coefficients [3, 4]. Here Genetic algorithm (GA) is used to evolve better lifting filter coefficients for cdf 9/7 wavelet to compress and reconstruct fingerprint images with better quality. Since the lifting filter coefficients are few in numbers compared to the corresponding classical wavelet filter coefficients, they are evolved at a faster rate using GA. A better reconstructed image quality in terms of Peak-Signal-to-Noise-Ratio (PSNR) is achieved with the best lifting filter coefficients evolved for a compression ratio 16∶1. These evolved coefficients perform well for other compression ratios also.
本文提出了一种改进的小波系数演化技术,用于指纹图像的压缩和重建。FBI指纹压缩标准[1,2]使用了cdf 9/7小波滤波系数。提升格式是用较少的滤波系数表示经典小波的有效方法[3,4]。本文采用遗传算法(GA)对cdf 9/7小波演化出更好的提升滤波系数,对指纹图像进行压缩重构,得到更好的图像质量。由于提升滤波系数与相应的经典小波滤波系数相比数量较少,因此使用遗传算法可以以更快的速度进化。当压缩比为16∶1时,采用最佳提升滤波系数,重构图像的峰值信噪比(PSNR)较好。这些演化系数也适用于其他压缩比。
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引用次数: 8
Antecedence graph based checkpointing and recovery for mobile agents 基于先行图的移动代理检查点和恢复
Pub Date : 2010-12-17 DOI: 10.1109/ICCCCT.2010.5670588
R. Kaur, R. Challa, Rajwinder Singh
Mobile agents are distributed programs which can move autonomously in a network, to perform tasks on behalf of user. Though mobile agents offer much more flexibility as compared to client-server computing, yet they have additional cost and issues such as security, reliability and fault tolerance which need to be addressed for successful adaptability of mobile agent technology for developing real life applications. Fault tolerance aims to provide reliable execution of agents even in face of failures that may occur on account of various errors that emerge during migration request failure, communication exceptions, system crashes or security violations. The graph based fault tolerance protocols have been successfully used for the implementation of fault tolerance in distributed computing. This paper proposes use of antecedence graphs and message logs for maintaining fault tolerance information of mobile agents. In order to reduce the overheads of the carrying fault tolerance information in form of large antecedence graphs, we propose the use of parallel checkpointing algorithm. For checkpointing, dependent agents are marked out using antecedence graphs; and only these agents are involved in process of taking checkpoints. In case of failures, the antecedence graphs and message logs are regenerated for recovery and then normal operation continued. Analysis of results show considerable improvement in terms of reduced message overhead, execution and recovery times as compared to the graph based existing approach.
移动代理是能够在网络中自主移动,代表用户执行任务的分布式程序。尽管与客户机-服务器计算相比,移动代理提供了更大的灵活性,但它们有额外的成本和安全性、可靠性和容错性等问题,要想成功地适应开发实际应用程序的移动代理技术,需要解决这些问题。容错旨在提供代理的可靠执行,即使面对迁移请求失败、通信异常、系统崩溃或安全违规期间出现的各种错误可能导致的失败。基于图的容错协议已成功地用于分布式计算容错的实现。本文提出使用先行图和消息日志来维护移动代理的容错信息。为了减少以大型先行图形式承载容错信息的开销,我们提出了并行检查点算法。对于检查点,使用先行图标记出依赖代理;只有这些特工参与了检查站的设立过程。如果发生故障,将重新生成先行图和消息日志以进行恢复,然后继续正常操作。对结果的分析显示,与基于图的现有方法相比,在减少消息开销、执行和恢复时间方面有了相当大的改进。
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引用次数: 8
Screening mammogram images for abnormalities using radial basis Function Neural Network 利用径向基函数神经网络筛查乳房x线照片的异常
Pub Date : 2010-12-17 DOI: 10.1109/ICCCCT.2010.5670778
J. Dheeba, S. Tamil Selvi
Intelligent Computer Aided Diagnosis (CAD) Systems can be used for detecting Microcalcification (MC) clusters in digital mammograms at the early stage. CAD systems help radiologists in identifying tumor patterns in an efficient and faster manner than other detection methods. In this paper, we propose a new approach for detecting tumors in mammograms using Radial Basis Function Networks (RBFNN). Prior to the detection of MC clusters features from the image are extracted and analyzed. Gabor features are extracted from the image Region of Interest (ROI) to distinguish a tumor cluster and a normal breast tissue. Once the features are extracted, they are given as input to the supervised RBFNN. The output neuron determines whether the given input ROI is cancer tissue or not. We have verified the algorithm with 322 mammograms in the Mammographic Image Analysis Society Database (MIAS). The results shows that the proposed algorithm has a sensitivity of 85.2%.
智能计算机辅助诊断(CAD)系统可用于早期检测数字乳房x线照片中的微钙化(MC)簇。CAD系统帮助放射科医生以比其他检测方法更有效和更快的方式识别肿瘤模式。本文提出了一种利用径向基函数网络(RBFNN)检测乳房x线照片中肿瘤的新方法。在检测之前,从图像中提取和分析MC聚类特征。从图像感兴趣区域(ROI)中提取Gabor特征来区分肿瘤簇和正常乳腺组织。一旦特征被提取出来,它们就被作为输入输入到有监督的RBFNN中。输出神经元判断给定的输入ROI是否为癌组织。我们已经用乳房x线图像分析协会数据库(MIAS)中的322张乳房x线照片验证了该算法。结果表明,该算法的灵敏度为85.2%。
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引用次数: 17
Analysis of reversible image watermarking using bit plane coding and lifting wavelet transform with attacks 基于位平面编码和提升小波变换的可逆图像水印分析
Pub Date : 2010-12-17 DOI: 10.1109/ICCCCT.2010.5670763
S. Kurshid Jinna, L. Ganesan
This paper proposes a distortionless image data hiding algorithm based on integer wavelet transform that can hide data into the original image. The data can be retrieved and the original image can be recovered without any distortion after the hidden data are extracted. This algorithm hides data into one or more middle bit-plane( s) of the integer wavelet transform coefficients in the LH, HL and HH frequency sub bands. It can embed more data into the bit planes and also has the necessary imperceptibility requirement. The image histogram modification may be used to prevent grayscales from possible overflow or underflow. Experimental results have demonstrated the performance of the algorithm. The performance of the algorithm under different types of noise and attacks is analysed.
提出了一种基于整数小波变换的无失真图像数据隐藏算法,可以将数据隐藏到原始图像中。提取隐藏数据后,可以对数据进行检索,还原出不失真的原始图像。该算法将数据隐藏在LH、HL和HH频段的整数小波变换系数的一个或多个中间位平面中。它可以在位平面内嵌入更多的数据,但也有必要的不可感知性要求。图像直方图的修改可以用来防止可能的溢出或下溢灰度。实验结果证明了该算法的有效性。分析了该算法在不同类型噪声和攻击下的性能。
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引用次数: 9
A DCT-based feature extraction algorithm for palm-print recognition 基于dct的掌纹识别特征提取算法
Pub Date : 2010-12-17 DOI: 10.1109/ICCCCT.2010.5670758
H. Imtiaz, S. Fattah
In this paper, a frequency domain feature extraction algorithm for palm-print recognition is proposed, which efficiently exploits the local spatial variations in a palm-print image. The entire image is segmented into several narrow-width spatial bands and a palm-print recognition scheme is developed based on extracting dominant spectral features from each of these bands using two-dimensional discrete cosine transform (2D-DCT). The proposed dominant spectral feature selection algorithm offers an advantage of very low feature dimension and it is capable of capturing precisely the detail variations within the palm-print image, which results in a very high within-class compactness and between-class separability of the extracted features. From our extensive experimentations on different palm-print databases, it is found that the performance of the proposed method in terms of recognition accuracy and computational complexity is superior to that of some of the recent methods.
本文提出了一种有效利用掌纹图像局部空间变化特征的掌纹识别频域特征提取算法。将整个图像分割成多个窄带,利用二维离散余弦变换(2D-DCT)从每个窄带中提取优势光谱特征,提出了一种掌纹识别方案。所提出的优势光谱特征选择算法具有特征维数极低的优点,能够准确地捕捉掌纹图像的细节变化,从而使提取的掌纹特征具有很高的类内紧密度和类间可分性。通过在不同的掌纹数据库上的大量实验,我们发现该方法在识别精度和计算复杂度方面都优于目前的一些方法。
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引用次数: 33
Power signal classification using Adaptive Wavelet Network 基于自适应小波网络的电力信号分类
Pub Date : 2010-12-17 DOI: 10.1109/ICCCCT.2010.5670773
D. K. Bebarta, A. K. Rout, B. Biswal, M. Biswal
A new approach to classification of non-stationary power signals based on adaptive wavelet has been considered. This paper proposes a model for non-stationary power signal disturbance classification using adaptive wavelet networks (AWN). A AWN is a combination of two sub-networks consisting of a wavelet layer and adaptive probabilistic network. The AWN has the capability of automatic adjustment of learning cycles for different classes of signals, for minimizing error. AWN models are specifically suitable for application in adaptive environments with time varying non-stationary power signals. The test results showed accurate classification, fast and adaptive learning mechanism, fast processing time and overall model effectiveness in classifying various non-stationary power signals. The classification result of the AWN (Adaptive Wavelet Network) has been compared with that of the Probabilistic Neural Network (PNN).
提出了一种基于自适应小波的非平稳电力信号分类新方法。提出了一种基于自适应小波网络(AWN)的非平稳电力信号干扰分类模型。小波网络是由小波层和自适应概率网络组成的两个子网络的组合。该网络具有对不同类型的信号自动调整学习周期的能力,使误差最小化。AWN模型特别适用于具有时变非平稳功率信号的自适应环境。实验结果表明,该模型分类准确,学习机制快速自适应,处理时间快,对各种非平稳电力信号的分类总体有效。将自适应小波网络(AWN)与概率神经网络(PNN)的分类结果进行了比较。
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引用次数: 2
期刊
2010 INTERNATIONAL CONFERENCE ON COMMUNICATION CONTROL AND COMPUTING TECHNOLOGIES
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