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2009 International Conference on Apperceiving Computing and Intelligence Analysis最新文献

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A bio-inspired model for color image segmentation 彩色图像分割的仿生模型
Pub Date : 2009-12-28 DOI: 10.1109/ICACIA.2009.5361092
Dekun Hu, Jiang-Ping Li, S. Yang, S. Gregori
To segment an object from its background image for advanced vision processing, this article presents a novel bio-inspired framework for image segmentation in complex nature scenes, which is a hierarchical system that mimics the organization of layered early visual area in primate visual cortex. The proposed methodology consists of two typical stages: the first stage is a parallel modular structure including three segmenting operators based on color feature, form feature and texture feature, each of which solves the segmentation problem independently for the same input. They implement the similar computing as the parvocellular (P-cell), the magnocellular (M-cell) and koniocellular (K-cell) pathway in lateral geniculate nucleus (LGN) from the retina to the primary visual cortex. Then, a fusion operation, multiple feature fusion segmentation (MFFS), integrates these three feature segmentations together through the backpropagation neuron network (BPNN) in the last stage, which simulates the operation of area following the LGN in primary visual cortex. The proposed approach is applied to several segmentation experiments of many single objects in clustering conditions, the result shows that the approach is capable of competing with state-of-the-art systems.
为了将物体从背景图像中分割出来进行高级视觉处理,本文提出了一种新的生物启发的复杂自然场景图像分割框架,该框架是一种模仿灵长类动物视觉皮层分层早期视觉区组织的分层系统。该方法包括两个典型阶段:第一阶段是一个并行模块化结构,包括基于颜色特征、形状特征和纹理特征的三个分割算子,每个算子独立解决相同输入的分割问题;它们实现了与旁膝状核(LGN)中从视网膜到初级视觉皮层的细小细胞(p细胞)、大细胞(m细胞)和小细胞(k细胞)通路相似的计算。然后,在最后阶段,通过反向传播神经元网络(BPNN)进行融合操作,即多特征融合分割(MFFS),将这三个特征分割融合在一起,模拟初级视觉皮层中LGN后区域的操作。将该方法应用于聚类条件下多个单一目标的分割实验,结果表明该方法能够与最先进的系统相竞争。
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引用次数: 3
Robust face recognition by combining wavelet decomposition and local hybrid projection entropy 结合小波分解和局部混合投影熵的鲁棒人脸识别
Pub Date : 2009-12-28 DOI: 10.1109/ICACIA.2009.5361090
Yuan-Yuan Huang, Jianping Li, Jie Lin, Yujie Hao, Guiduo Duan
This paper firstly shows the entire picture of a promising research area, face recognition. Then a new face recognition method is proposed, mainly based on the combination of wavelet transform and local hybrid projection entropy (LHPE). Some classical image processing methods are included to constitute a cascade framework. The experimental results on Yale face database and Yale B face database show that this method is effective and competitive, especially robust to illumination changes.
本文首先展示了人脸识别这一新兴研究领域的全貌。然后提出了一种基于小波变换和局部混合投影熵(LHPE)相结合的人脸识别方法。采用一些经典的图像处理方法构成级联框架。在耶鲁人脸数据库和耶鲁B人脸数据库上的实验结果表明,该方法具有较强的竞争力,对光照变化具有较强的鲁棒性。
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引用次数: 3
Content distribution system based on segmented network coding 基于分段网络编码的内容分发系统
Pub Date : 2009-12-28 DOI: 10.1109/ICACIA.2009.5361106
Li Ren, Haipeng He, Zhao Di, Ming Lei
The network communication applying network coding, in which the intermediate peers firstly encode the information from source, and then forward the encoded data which will be decoded by the destination peers where the original information gets restored. Previous methods indicate that we can improve throughput and stability of a network, fasten the expanding-velocity of copies, and reduce the download time. Although network coding technology is developing so fast, the critical issue is still how to promote encoding and decoding rates and to decrease the complexity, on which we focus in the field. In this paper, we propose an approach based on segmented network coding which is applied to P2P Content Distribution System (P2PCDS). We implement a P2PCDS based on segmented network coding. Through the experiment, we choose the number of encoding data as a seed, and make a comparison between the P2PCDS with and without network coding in term of average download time and in the resist of churn. The resist of churn in our system is raised by 12.5 % and it also shortens average download time. And the experiment shows it's better to adapt P2PCDS under the active Mesh network architecture.
网络通信采用网络编码,中间对等体首先对源端信息进行编码,然后将编码后的数据转发给目的对等体,目的对等体解码后恢复原始信息。以往的方法表明,我们可以提高网络的吞吐量和稳定性,加快副本的扩展速度,减少下载时间。尽管网络编码技术发展迅速,但如何提高编解码速率和降低复杂度仍然是目前研究的重点。本文提出了一种基于分段网络编码的P2P内容分发系统(P2PCDS)编码方法。我们实现了一种基于分段网络编码的P2PCDS。通过实验,我们选择编码数据的数量作为种子,比较了经过和没有经过网络编码的P2PCDS在平均下载时间和抗流失率方面的差异。系统的抗流失率提高了12.5%,平均下载时间也缩短了。实验结果表明,在主动Mesh网络结构下,P2PCDS能较好地适应。
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引用次数: 1
Distributed computation of dixon resultant with changeable arguments 可变参数dixon结式的分布式计算
Pub Date : 2009-12-28 DOI: 10.1109/ICACIA.2009.5361113
Guo Rongxiang
Elimination method is an effective method for solving non-linear polynomial equations. It mainly includes Wu's methods, Grobner base and resultant methods. Dixon resultant is more efficient than other resultant methods. But Dixon matrix enlarges greatly when the polynomial sets have higher rank. Pro.Fu Hongguang et al worked out the recursive algorithm for computing Dixon resultant polynomial, by which the computation unit can be reduced. In this paper, distributed computing model for Dixon resultant is presented. GiNaC is transplanted and extended into distributed computing environment. The solution to communication etc problems is suggested. The system design and implementation are introduced, the computation result is given.
消元法是求解非线性多项式方程的有效方法。主要包括吴氏法、Grobner基法和合成法。狄克逊合成法比其他合成法效率更高。但当多项式集的秩较高时,Dixon矩阵会增大。箴。傅红光等人提出了计算Dixon合成多项式的递归算法,减少了计算单元。本文提出了Dixon结果的分布式计算模型。将GiNaC移植和扩展到分布式计算环境中。提出了解决通信等问题的方法。介绍了系统的设计与实现,并给出了计算结果。
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引用次数: 0
A new method of iris image location research 一种虹膜图像定位的新方法
Pub Date : 2009-12-28 DOI: 10.1109/ICACIA.2009.5361087
Jin-Xin Shi, Xiaofeng Gu, Jianping Li, Jie Lin, Lin Liu, Yuan-Yuan Huang
At present, the research of biometric recognition is gave more and more attention in the world. The iris recognition is a kind of the biometrics technologies based on the physiological characteristics of human body, compared with the feature recognition based on the fingerprint, palm-print, face and sound etc. the iris recognition technology has recently become popular in identity recognition. In my paper, based on the existing iris location algorithm, an improved iris location algorithm is brought forward. This method can achieve a precise and rapid iris location. In this method, inner circle positioning algorithm is improved by the changed Ostu adaptive binarization thresholding algorithm and the changed gray-scale projection method. And external positioning is completed by Roberts operator.
目前,生物特征识别的研究越来越受到国际上的重视。虹膜识别是一种基于人体生理特征的生物识别技术,与基于指纹、掌纹、面部和声音等特征识别技术相比,虹膜识别技术近年来在身份识别中得到了广泛的应用。本文在现有虹膜定位算法的基础上,提出了一种改进的虹膜定位算法。该方法可以实现精确、快速的虹膜定位。该方法通过改进的Ostu自适应二值化阈值法和改进的灰度投影法对内圆定位算法进行了改进。外部定位由Roberts运营商完成。
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引用次数: 8
Distributed flowmeter data acquisition system based on WirelessHART networks 基于无线shart网络的分布式流量计数据采集系统
Pub Date : 2009-12-28 DOI: 10.1109/ICACIA.2009.5361076
Jianming Liao, Yu Liu
Worldwide attention has been gained by WirelessHART networks particularly in recent years, which has integrated sensor technology, wireless communication technology and computer technology with the ability of information collection, transmission and processing in low cost and low power consumption. It has several important applications such as remote environment monitoring, asset monitoring and flow measurement. This paper is mainly written to describe, in WirelessHART networks, the design and implementation of a specific application named distributed flowmeter data acquisition system, which is a project cooperated with General Electric Company, with the key technologies in wireless networks, hardware environment and software environment.
特别是近年来,WirelessHART网络受到了世界的关注,它集传感器技术、无线通信技术和计算机技术于一体,具有低成本、低功耗的信息采集、传输和处理能力。它具有远程环境监测、资产监测和流量测量等重要应用。本文主要描述了在WirelessHART网络下,与美国通用电气公司合作的分布式流量计数据采集系统的具体应用的设计与实现,涉及到无线网络、硬件环境和软件环境的关键技术。
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引用次数: 3
The application in multicast of the P2P routing mechanisms based on the content addressing networks 基于内容寻址网络的P2P路由机制在组播中的应用
Pub Date : 2009-12-28 DOI: 10.1109/ICACIA.2009.5361100
Hu Jian, Liu Xiaobin
Multicast technology introduces a number of new applications; meanwhile, it reduces the congestion of the network and releases the burden of the server. Those characteristics, such as reducing the occupied bandwidth, reducing server load, improving the quality of data transmission, are especially applicable to the needs of large bandwidth multimedia applications such as audio, Video. This new technology has become a hot topic in Internet circles, and to fundamentally change the network architecture. Although multicast technology has also brought some problems, such as routing instability, the network load imbalance, QoS fluctuations, but its application is still very wide.
组播技术引入了许多新的应用;同时减少了网络的拥塞,减轻了服务器的负担。这些特点,如减少占用的带宽、减轻服务器负载、提高数据传输质量等,特别适用于音频、视频等大带宽多媒体应用的需求。这项新技术已成为互联网界的热门话题,并将从根本上改变网络架构。虽然组播技术也带来了一些问题,如路由不稳定、网络负载不平衡、QoS波动等,但是它的应用仍然非常广泛。
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引用次数: 5
Optimization design of gas turbine install track system 燃气轮机安装轨道系统的优化设计
Pub Date : 2009-12-28 DOI: 10.1109/ICACIA.2009.5361065
Qi Xing-ming, Hua Zhi-gang, Jiao Jin-yi
Based on one boat, the intensity analysis and optimization design of gas turbine install system was presented. Firstly, the theory calculation results of the interactive forces between gas turbine and track system was performed. After then, the 3-D grid paramedical model of track system was established. The detailed information of flow field shows that the intensity of track system meets well with requirements. Meanwhile, the transition part of track system presents the weakest intensity. Consequently, the optimization design of install track system structure was carried out. The total mass of track system dramatically reduced, which meets the intensity standard as well.
以某船为例,对燃气轮机安装系统进行了强度分析和优化设计。首先,给出了燃气轮机与轨道系统相互作用力的理论计算结果。在此基础上,建立了轨道系统的三维网格辅助医疗模型。流场的详细信息表明,轨道系统的强度满足要求。同时,轨道系统的过渡部分强度最弱。据此,对安装轨道系统结构进行了优化设计。轨道系统总质量大幅度降低,达到了强度标准。
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引用次数: 0
A note on multiplicity of the Laplacian eigenvalue of trees 关于树的拉普拉斯特征值的多重性的注记
Pub Date : 2009-12-28 DOI: 10.1109/ICACIA.2009.5361147
Zhenye Xu, Chun Yang
Considering the multiplicity mT (λ) of eigenvalue λ (which equals 1) of Laplacian matrix of all trees, we get three results: When mT (1) equals n-2, the tree is unique, that is star graph K1,n-1; (ii) there exists no trees satisfying mT (1) equals n-3; (iii) When mT (1) equals n-4, this kind of trees are divided into two types. According to the process of proving, we devise a method to construct trees on some desired properties, which have practical value.
考虑所有树的拉普拉斯矩阵的特征值λ(等于1)的多重性mT (λ),得到三个结果:当mT(1)等于n-2时,树是唯一的,即星图K1,n-1;(ii)不存在满足mT (1) = n-3的树;(iii) mT (1) = n-4时,这类树分为两类。根据证明的过程,我们设计了一种在一些期望性质上构造树的方法,具有实用价值。
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引用次数: 0
Research on tension control for six-axis filament winding machine 六轴缠绕机张力控制研究
Pub Date : 2009-12-28 DOI: 10.1109/ICACIA.2009.5361060
S. Wang, Shupin Ning
Tension feed-forward control method based on filament deform is presented in terms of filament tension generation theory. Tension control integrated system of six-axis filament winding machine is set up. Through motion analysis to non-geodesic windings for revolution object and control of resin's temperature, the equation of filament tension according to extension length is established, thus improves the control precision of tension in filament composite wound components.
根据纤维张力产生理论,提出了一种基于纤维变形的张力前馈控制方法。建立了六轴缠绕机张力控制综合系统。通过对旋转对象非测地线绕组的运动分析和树脂温度的控制,建立了长丝张力随延伸长度变化的方程,从而提高了长丝复合缠绕元件张力的控制精度。
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引用次数: 3
期刊
2009 International Conference on Apperceiving Computing and Intelligence Analysis
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