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A Hybrid Optimization Algorithm based on Clonal Selection Principle and Particle Swarm Intelligence 基于克隆选择原理和粒子群智能的混合优化算法
Pub Date : 2006-10-16 DOI: 10.1109/ISDA.2006.253744
Qiaoling Wang, Changhong Wang, X. Gao
This paper first discusses the background knowledge of the clonal selection algorithm and particle swarm method. The clonal selection algorithm is imitated by the basic principle of the adaptive immune response to virus stimulus. The particle swarm optimization is motivated by the social behaviors of swarms. Inspired by these two optimization methods, we propose a hybrid optimization algorithm in this paper. The steps of this hybrid optimization algorithm are described in details, and its performance is evaluated hybrid unidimensional function optimization and three multidimensional functions optimization problems. It is also compared with both the clonal selection algorithm and particle swarm method based on numerical simulations
本文首先讨论了克隆选择算法和粒子群算法的背景知识。克隆选择算法模仿了病毒刺激下适应性免疫反应的基本原理。粒子群优化是由群体的社会行为驱动的。受这两种优化方法的启发,本文提出了一种混合优化算法。详细描述了该混合优化算法的具体步骤,并对其性能进行了评价,给出了混合一维函数优化和三维函数优化问题。在数值模拟的基础上,对克隆选择算法和粒子群算法进行了比较
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引用次数: 15
Residual Error based Approach to Classification of Multisource Remote Sensing Images 基于残差的多源遥感图像分类方法
Pub Date : 2006-10-16 DOI: 10.1109/ISDA.2006.253871
Dongdong Cao, Ping Guo
Classification of multisource remote sensing images has been studied for decades, and many methods have been proposed. Most of these studies focus on how to improve the classifiers in order to obtain higher classification accuracy. However, as we know, even if the most promising neural network method, its good performance not only depends on the classifier itself, but also has relation to the training pattern (i.e. features). On consideration of this aspect, we propose an approach to feature selection and classification of multisource remote sensing image based on residual error in this paper. In particular, a feature-selection scheme approach is proposed, which is to select effective subsets of features as inputs of a classifier by taking into account the residual error associated with each land-cover class. In addition, a classification technique base on selected features by using a feedforward neural network is investigated. The results of experiments carried out on a multisource data set confirm the validity of the proposed approach
多源遥感图像的分类研究已经进行了几十年,提出了许多方法。这些研究大多集中在如何改进分类器以获得更高的分类精度。然而,正如我们所知,即使是最有前途的神经网络方法,其良好的性能不仅取决于分类器本身,还与训练模式(即特征)有关。针对这一问题,本文提出了一种基于残差的多源遥感图像特征选择与分类方法。特别地,提出了一种特征选择方案方法,该方法通过考虑与每个土地覆盖类别相关的残差,选择有效的特征子集作为分类器的输入。此外,本文还研究了一种基于前馈神经网络的特征选择分类技术。在多源数据集上进行的实验结果证实了该方法的有效性
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引用次数: 0
The Design and Development of A Scheduling System for Steelmaking and Continuous Casting based on Component Technology 基于构件技术的炼钢连铸调度系统的设计与开发
Pub Date : 2006-10-16 DOI: 10.1109/ISDA.2006.253916
Xiu-ying Wang, Jinfei Sun, Ai-guang Yang, T. Chai
Software component has played an important role in modern software and system development. Based on the concept and technology of the software reuse, we have developed a scheduling system of steelmaking and continuous casting for the Iron and Steel Corporation of China. The reusable components, which include the making plan component, the evaluation component, the dynamic adjusting component and the Gantt simulation editor component, are abstracted from this system. These components may be reused to construct a new scheduling system for other steel plant. The abstracting strategies are presented in this paper. Moreover, the formalization description for the making plan component and the dynamic adjusting component are presented. The waste of both manpower and resource is avoided by causing repetition development in the same trade
软件构件在现代软件和系统开发中起着重要的作用。基于软件复用的概念和技术,为中国钢铁公司开发了炼钢连铸调度系统。从该系统中抽象出可重用组件,包括制定计划组件、评估组件、动态调整组件和甘特仿真编辑器组件。这些组成部分可以为其他钢厂重新构建一个新的调度系统。本文给出了相应的抽象策略。并给出了制定计划组件和动态调整组件的形式化描述。避免了行业内重复发展造成的人力和资源的浪费
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引用次数: 1
A Novel Image Compression Architecture with proficient Layered scenario 一种具有熟练分层场景的新型图像压缩架构
Pub Date : 2006-10-16 DOI: 10.1109/ISDA.2006.253843
M. Kamran, S. A. Qureshi, Feng Shi, Yizhuo Wang, Yumin Xie
The architecture proposed in this paper performs all inevitable operations effectively to compress the data for image processing. The given behavioral architecture is not only verified algorithmically but also gave clear snapshot of the facts hindering in the efficient operation of data transfer with appropriate results. Moreover, this paper is the continuation of concurrent compression pre coder design to which DCT coders are to be appended for transformation and compression operation. The compression scenario is tackled in the coders by utilizing adaptive Huffman coding scheme. The most distinguishable characteristic of proposed design is the pre-coder attachment to the coders working in any format, i.e., JPEG or MPEG. In either case the results obtained are reliable and significantly appreciable with respect to image quality to support proposed architecture even in a system with variable band widths
本文提出的结构有效地完成了图像处理中所有必要的数据压缩操作。给定的行为架构不仅在算法上得到了验证,而且清晰地反映了阻碍数据传输高效运行的事实,并给出了适当的结果。此外,本文是并发压缩预编码器设计的延续,其中附加DCT编码器进行转换和压缩操作。在编码器中采用自适应霍夫曼编码方案来解决压缩问题。所提出的设计的最显著的特点是预编码器附件的编码器工作在任何格式,即JPEG或MPEG。在任何一种情况下,所获得的结果都是可靠的,并且在图像质量方面非常可观,即使在具有可变带宽的系统中也支持所提出的架构
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引用次数: 2
Unscented Particle Filter for Bearings-only Tracking with Out-of-Sequence Measurements in Sensor Networks 无气味粒子滤波用于传感器网络中失序测量的方位跟踪
Pub Date : 2006-10-16 DOI: 10.1109/ISDA.2006.253894
Feng Xue, Zhong Liu, Zhangsong Shi
An out-of-sequence measurements (OOSMs) processing algorithm for improving the passive tracking performance in wireless sensor networks is proposed. Firstly, decentralized tracking structure is organized by the dynamic clustering of sensor nodes, and cluster heads collect the measurements from child nodes to form the local estimate. Then, particle filter scheme is presented to solve OOSM problem in this decentralized structure. Due to the limited exploration capability of proposal density, unscented particle filter (UPF) is used to incorporate the most current measurement and to generate the proposal distribution of the particle filter. The detailed implementation steps of OOSM based on UPF (OOSM-UPF) are deduced. Finally, the bearings-only tracking state space is modeled by turn rate model, and 3D simulation scenario is constructed to test several filters for OOSM. Simulation results show that performance of OOSM-UPF is much improved than other schemes
提出了一种改善无线传感器网络无源跟踪性能的乱序测量(OOSMs)处理算法。首先,通过传感器节点的动态聚类来组织分散的跟踪结构,簇头收集子节点的测量值形成局部估计;然后,提出了粒子滤波方案来解决这种分散结构下的OOSM问题。由于提案密度的探测能力有限,采用unscented粒子滤波器(UPF)来结合最新的测量结果并生成粒子滤波器的提案分布。推导了基于UPF的OOSM的具体实现步骤(OOSM-UPF)。最后,利用旋转速率模型对纯轴承跟踪状态空间进行建模,并构建三维仿真场景对几种OOSM滤波器进行测试。仿真结果表明,与其他方案相比,OOSM-UPF方案的性能有很大提高
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引用次数: 4
Research of the Path Planning Complexity for Autonomous Mobile Robot under Dynamic Environments 动态环境下自主移动机器人路径规划复杂度研究
Hongyan Shi, Xiaoming Sun, Changzhi Sun, Dongyang Chen, Yuejun An
By using the two methods of Lyapunov exponent and power spectra analysis, it is tested and verified that chaotic phenomenon exists in time sequence of distance information that autonomous mobile robot has got from sensors between robots and obstacles. The complexity of path planning for autonomous mobile robot through sensors is explained under dynamic environments by use of chaotic phenomenon. The existence of chaotic phenomenon makes the path planning for autonomous mobile robot under dynamic environments NP-hard and also lays the foundation for revealing why navigation of autonomous mobile robot under dynamic environments is NP-hard
利用李雅普诺夫指数和功率谱分析两种方法,验证了自主移动机器人从传感器获取的机器人与障碍物之间的距离信息在时间序列上存在混沌现象。利用混沌现象解释了动态环境下自主移动机器人通过传感器进行路径规划的复杂性。混沌现象的存在使得自主移动机器人在动态环境下的路径规划具有NP-hard,也为揭示自主移动机器人在动态环境下导航具有NP-hard的原因奠定了基础
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引用次数: 5
Study on the Intelligent Laser Instrument of Cement Particle Size Measurement 智能激光水泥粒度测量仪的研究
Pub Date : 2006-10-16 DOI: 10.1109/ISDA.2006.253832
Wang Yutai, Liu Feng, Li Nianqiang
The sample preparation of particle size measurement is divided into wet and dry dispersion respectively. The wet dispersion method includes rabbling, ultrasonic and dispersant, and has been already basically ripe. The dry dispersion only has flow velocity and gas pressure, whose sample preparation is more difficult than the wet dispersion. But because the cement is water-solubility, the dry dispersion technology is the only method to use. The laser diffraction and Mie scattering theory model were discussed in the paper. The dry dispersion suspension principle and multiple scattering were also stated briefly. In order to meet actual demands, the analysis instrument was furnished with the "particle analysis expert" software system. The measuring range of the dry cement laser particle instrument is 0.1~600 micron. Its measuring time is less than 30 seconds. According to experimental result, the instrument has many application advantages such as high accuracy, good repeatability, quick testing speed and so on
粒度测量的样品制备分为湿分散和干分散。湿法分散方法包括湿法、超声法和分散剂法,目前已基本成熟。干分散体只有流速和气体压力,其样品制备比湿分散体困难。但由于水泥是水溶性的,干分散技术是唯一的方法。本文讨论了激光衍射和米氏散射理论模型。简述了干分散悬浮原理和多次散射原理。为满足实际需要,仪器配备了“颗粒分析专家”软件系统。干水泥激光颗粒仪的测量范围为0.1~600微米。其测量时间小于30秒。实验结果表明,该仪器具有精度高、重复性好、测试速度快等优点
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引用次数: 1
Field Extraction Based on Two-level Regulated HMT in Auto Form Processing 自动表单处理中基于两级调节HMT的字段提取
Pub Date : 2006-10-16 DOI: 10.1109/ISDA.2006.253699
Xiuling He, Yang Yang, Zengzhao Chen, Ying Yu, Cailin Dong
Data fields in a form contain invaluable information so that field data extraction is important in form processing. Most conventional data extraction methods depend on the line frames. However there are many types of forms such as table-form and non table-form that are without line frames and popularly used in our daily lives as well. A new field locating method using priori knowledge is proposed. It is based on two-level regulated hit or miss transform features of form background. The feasibility of the method is proved theoretically. Experiments and application show that it is several dozen times faster than ordinary regulated hit or miss transform and the correct rate is satisfied with real applications
表单中的数据字段包含宝贵的信息,因此字段数据提取在表单处理中非常重要。大多数传统的数据提取方法依赖于线帧。然而,也有许多类型的形式,如桌式和非桌式,它们没有线框,在我们的日常生活中也广泛使用。提出了一种利用先验知识进行场定位的新方法。该算法基于表单背景的两级调节命中或未命中变换特征。从理论上证明了该方法的可行性。实验和应用表明,该方法比普通的稳压脱靶变换快几十倍,正确率满足实际应用要求
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引用次数: 1
Determination of Design Ground Motion For Critical Engineering Structures Based on Probabilistic Seismic Hazard Analysis 基于概率地震危险性分析的关键工程结构设计地震动确定
Guoxin Wang, Zhen Zhao
This paper proposes a method of determining design ground motion for critical engineering structures, based on probabilistic seismic hazard analysis (FSHA). Effective peak acceleration (EPA) is used as basic ground motion parameter in this paper. Comparing the contribution of dominant potential seismic source at long period (T = 1.0s) and short period (T = 1.0s), we suggest that the dominant potential seismic source be determined according to the dynamic property (e.g. expected period) of the engineering structures. And then we utilize the contribution functions of some dominant sources, and attenuation law to determine design earthquake magnitude and epicentral distance. According to these results, design ground motion parameters could be determined reasonably
本文提出了一种基于概率地震危险性分析(FSHA)的确定关键工程结构设计地震动的方法。本文采用有效峰值加速度(EPA)作为地震动的基本参数。对比了长周期(T = 1.0s)和短周期(T = 1.0s)优势潜在震源的贡献,建议根据工程结构的动力特性(如预期周期)确定优势潜在震源。然后利用优势震源的贡献函数和衰减规律确定设计震级和震中距离。根据这些结果,可以合理地确定设计地震动参数
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引用次数: 0
Face Detection using DT-CWT on SHPCA Space 基于SHPCA空间的DT-CWT人脸检测
Pub Date : 2006-10-16 DOI: 10.1109/ISDA.2006.253876
Yuehui Sun
A novel face detection algorithm is presented by applying dual tree complex wavelets transform (DT-CWT) on spectral histogram PCA space (SHPCA) and support vector machine (SVM). DT-CWT is a transform recently studied, which provides good directional selectivity in six different fixed orientations at different scales. It has limited redundancy for images and is much faster than Gabor transform to compute. Hence, DT-CWT is a good choice to replace Gabor transform in some image signals processing fields especially for face images representation. In the face detection algorithm presented in this paper, images are first projected to SHPCA space after convolved with different filters including DT-CWT filters to achieve features subtraction based on frequency. Then on SHPCA space SVM classification is applied to detect whether faces exist in images or not. The experimental results show that DT-CWT performs much better than Gabor transform on SHPCA space. Furthermore, during preliminary experiments, SVM based on SHPCA space has been trained on a training set of 4000 faces aligned and 6000 non-face images, and a robust classifying function for face and non-face pattern is obtained, which gives the satisfying performance. Several questions about computation time saving and performance improvement are discussed
提出了一种基于谱直方图主成分分析空间(SHPCA)和支持向量机(SVM)的对偶树复小波变换(DT-CWT)的人脸检测算法。DT-CWT变换是近年来研究的一种变换,在不同尺度下,在6种不同的固定方向上具有良好的方向选择性。它对图像的冗余有限,并且比Gabor变换的计算速度快得多。因此,DT-CWT在某些图像信号处理领域,尤其是人脸图像的表示,是替代Gabor变换的一个很好的选择。在本文提出的人脸检测算法中,首先将图像与包括DT-CWT在内的不同滤波器进行卷积后,投影到SHPCA空间中,实现基于频率的特征减法。然后在SHPCA空间上应用SVM分类来检测图像中是否存在人脸。实验结果表明,DT-CWT在SHPCA空间上的表现明显优于Gabor变换。此外,在初步实验中,基于SHPCA空间的支持向量机在4000张对齐的人脸和6000张非人脸图像的训练集上进行了训练,得到了一个鲁棒的人脸和非人脸模式分类函数,并取得了满意的分类效果。讨论了节约计算时间和提高性能的几个问题
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引用次数: 7
期刊
Sixth International Conference on Intelligent Systems Design and Applications
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