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2014 Seventh International Symposium on Computational Intelligence and Design最新文献

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A Fast Incremental Learning Algorithm Based on Twin Support Vector Machine 基于双支持向量机的快速增量学习算法
Yunhe Hao, Haofeng Zhang
Twin support vector machine is a novel classifier, it construct two nonparallel hyper planes instead of a single hyper plane to obtain four times faster than the usual SVM. With the result of traditional incremental learning method of SVM, we analyze the characteristics of twin support vector machine and the distribution of the training sample set. In this paper, we propose a fast incremental learning algorithm based on twin support vector machine. It can deal with the newly added training samples and utilize the result of the previous training effectively. Experimental results prove that the given algorithm has excellent classification performance on runtime and recognition rate, and therefore confirm the above conclusion further.
双支持向量机是一种新型的分类器,它构造了两个非平行的超平面而不是单个的超平面,其速度是一般支持向量机的4倍。在传统支持向量机增量学习方法的基础上,分析了双支持向量机的特点和训练样本集的分布。本文提出了一种基于双支持向量机的快速增量学习算法。它可以处理新增加的训练样本,并有效地利用之前的训练结果。实验结果证明,该算法在运行时间和识别率上都具有优异的分类性能,从而进一步证实了上述结论。
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引用次数: 5
Reviews Analysis Based on Sentence and Word Relevance 基于句子和单词相关性的评论分析
Shibo Zhang, Yun Sha, Xiaojie Wang
Assuming that one sentence in review expresses one opinion, LDA based on sentence is performed to analysis the massive online reviews. When computing the topic's word, word relevance measure is designed which penalizes the word frequency by a factor that captures how much the word is shared across topics, words for topics can been selected more accurately. Experiments on massive review crawled from network show that the result of analyzing is better than the standard LDA, there is clearer topic cue, and recognition is improved among the topics.
假设评论中的一句话表达一种观点,采用基于句子的LDA对大量的在线评论进行分析。在计算主题词时,设计了词相关性测量,通过捕获词在主题间共享的程度来惩罚词的频率,可以更准确地选择主题词。对从网络中抓取的海量评论进行了实验,结果表明,该方法的分析结果优于标准的LDA,主题线索更清晰,主题之间的识别能力得到了提高。
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引用次数: 0
An Image Classification Method Based on Multi-feature Fusion and Multi-kernel SVM 基于多特征融合和多核支持向量机的图像分类方法
Zixi Xiang, Xueqiang Lv, Kai Zhang
Content-based image classification is such a technique which adapt to mass image data access and classification operation and it is based on the color, texture and shape feature. Image automatic classification using computer is one of the current hot topic. The traditional image classification method based on a single feature is ineffective. In this paper, we use multi-kernel SVM classifiers and the multi-feature fusion of feature weighting for image classification. Feature weighting is to set a certain weight for various features according to a certain standards and it is an effective way to find the most effective features. We use Corel Image Library as the database. The experimental result shows that the accuracy of image classification based on multi-feature fusion with multi-kernel SVM is much higher than a single feature. The method in this paper is an effective approach to improve the accuracy of image classification and expand possibilities for other application.
基于内容的图像分类是一种适应海量图像数据访问和分类操作的技术,它基于图像的颜色、纹理和形状特征。利用计算机进行图像自动分类是当前研究的热点之一。传统的基于单一特征的图像分类方法是无效的。本文采用多核SVM分类器和特征加权的多特征融合对图像进行分类。特征加权是对各种特征按照一定的标准设定一定的权重,是寻找最有效特征的有效方法。我们使用Corel图像库作为数据库。实验结果表明,基于多核支持向量机的多特征融合图像分类准确率远高于单一特征。本文的方法是提高图像分类精度和扩展其他应用可能性的有效途径。
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引用次数: 13
A Novel Smoothing Filter with Texture Suppression for Fabric Images 一种新的织物图像纹理抑制平滑滤波器
Pub Date : 2014-12-13 DOI: 10.1109/ISCID.2014.200
Kang Feng, Zhang Hua-xiong, Hu Jie, Zhang Cheng, Zhou Hui
Extracting patterns in fabric images usually should preserve the color of yarns and pattern structures, and suppress textures caused by adjacent yarns. A novel filter is proposed for smoothing fabric images while suppressing textures and preserving fabric pattern structures, by means of a nonlinear combination of local color values and lightness gradients underlying CIE-Lab color space. The proposed filter smooths color values and preserves pattern structures based on photometric similarity of neighboring pixels of the fabric images, and suppresses textures based on local gradient difference between the textures of yarns and the patterns of fabric images. It takes a non-iterative, local, and simple scheme similar as bilateral filter. Compared with popular smoothing filters, the experiments demonstrate that the proposed filter produces satisfactory smoothing images with the properties of texture-suppressing and pattern-preserving.
织物图像中的图案提取通常需要保留纱线的颜色和图案结构,并抑制相邻纱线产生的纹理。利用CIE-Lab色彩空间下的局部颜色值和亮度梯度的非线性组合,提出了一种新的滤波器,用于平滑织物图像,同时抑制纹理和保留织物图案结构。该滤波器基于织物图像相邻像素的光度相似性平滑颜色值并保留图案结构,并基于纱线纹理与织物图像纹理之间的局部梯度差来抑制纹理。它采用一种类似双边滤波的非迭代、局部和简单的方案。实验结果表明,与常用的平滑滤波器相比,该滤波器能产生令人满意的平滑图像,同时具有纹理抑制和模式保持的特点。
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引用次数: 1
An Efficient Differential Evoluiton Method Used for Evolving Negative-Correlation Circuits 一种用于负相关电路演化的高效差分演化方法
Pub Date : 2014-12-13 DOI: 10.1109/ISCID.2014.172
Zaisheng Huang, Jingsong He
The fault-tolerant design of analog circuit is a very meaning thing. Negative-correlation redundant fault-tolerant design is a new approach. This paper proposes a method which uses single population to evolve negative-correlation circuit. Each chromosome represents only one circuit and evolves one circuit that meets requirements each evolution time. Then use the evolved circuits to guide the subsequent evolution process. According to the information of correlation in population, we change the evolved circuits dynamically. Meanwhile in order to further improve the efficiency of the algorithm, increasing diversity of population, we add variable structure operation and self-adaptive operation of genetic operator. When all the negative-correlation circuits are evolved, the algorithm terminates and outputs these circuits. Analog low-pass filter experiment shows that this method can evolve negative-correlation circuits which meet our requirements successfully. Compared with the conventional methods, it can shorten evolution time and improve the evolution efficiency.
模拟电路的容错设计是一件很有意义的事情。负相关冗余容错设计是一种新的容错设计方法。本文提出了一种利用单种群进化负相关电路的方法。每条染色体只代表一条回路,每次进化都进化出一条符合要求的回路。然后使用进化的电路来指导后续的进化过程。根据种群的相关信息,动态改变进化回路。同时,为了进一步提高算法的效率,增加种群的多样性,我们增加了变结构操作和遗传算子的自适应操作。当所有的负相关电路演化完成后,算法终止并输出这些电路。模拟低通滤波器实验表明,该方法可以成功地演化出符合要求的负相关电路。与传统方法相比,该方法缩短了进化时间,提高了进化效率。
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引用次数: 0
Detection Method for the Buds on Winter Vines Based on Computer Vision 基于计算机视觉的冬藤芽检测方法
Sheng Xu, Y. Xun, Tingmeng Jia, Qinghua Yang
According to the requirement of grape pruning in winter, an algorithm of detecting the buds of grape vines based on machine vision was proposed, laying the foundation of grape vines automotive pruning. The grapevines' color image was captured indoor. The blue component of the color image was selected for the image preprocessing such as filter, threshold segmentation and noise removal. After that a binary image was gained. With the binary image, Rosenfeld algorithm was used in thinning to extract the skeleton of the grape branches. Because the morphological characteristic of the buds was similar to the corners, Harris algorithm was chosen to detect the point of buds from the skeleton image. The experiment result showed that it's effective to detect the buds with the strategy of this paper. The recognition rate reached 70.2%.
根据冬季葡萄修剪的要求,提出了一种基于机器视觉的葡萄藤芽检测算法,为葡萄藤自动修剪奠定了基础。葡萄藤的彩色图像是在室内拍摄的。选取彩色图像中的蓝色分量进行滤波、阈值分割、去噪等图像预处理。然后得到二值图像。利用二值化图像,采用Rosenfeld算法细化提取葡萄枝骨架。由于芽的形态特征与角相似,采用Harris算法从骨架图像中检测芽的点。实验结果表明,本文提出的策略能够有效地检测出花蕾。识别率达70.2%。
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引用次数: 16
Land Use and Landform Impact Factors Co-occurrence Matrix Interpretation 土地利用与地貌影响因子共现矩阵解译
Pub Date : 2014-12-13 DOI: 10.1109/ISCID.2014.190
Y. Liu, Yan Li
Terrain is the cause of formation of spatial distribution pattern of land use. Based on the land use data and the digital elevation model (DEM), the study analyzed the relationship between spatial distribution pattern of land use and landform factors - elevation, slope and aspect in Hang Zhou. A concept of elevation-slope united distribution index is proposed. The result shows that the terrain had great impact on spatial distribution pattern of land use. The advantageous land use type on each level of terrains were extracted according to the number and the structure of the land use types. It is founded that some distribution features induces the corresponding land use change pattern.
地形是土地利用空间分布格局形成的原因。基于土地利用数据和数字高程模型(DEM),分析了杭州市土地利用空间分布格局与地形因子高程、坡度、坡向的关系。提出了高程-坡度联合分布指数的概念。结果表明,地形对土地利用的空间分布格局有较大影响。根据土地利用类型的数量和结构,提取各层次地形上的优势土地利用类型。发现一些分布特征诱发了相应的土地利用变化格局。
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引用次数: 2
Detecting Information Leakage Based on Subtracting Matrix 基于减法矩阵的信息泄漏检测
Pub Date : 2014-12-13 DOI: 10.1109/ISCID.2014.249
Zongda Han, Binglong Li
This paper proposes an approach of detecting information leakage based on subtracting matrix to determine files when and where were leaked from file system. Due to the low efficiency of detecting leak operation and the rapid growth of the size of storage device make it difficult to locate the place where the leakage occurred. We build a time matrix model by file system access timestamps in a suspicious information system. Then three kinds of two-value (0-1) matrices are generated based on the similarity of access timestamps in the time matrix. The behavior of information leakage can be finally determined by comparing the degree of the similarity in these matrices. The experimental results show the method can detect information leakage more quickly and accurately.
本文提出了一种基于减法矩阵的信息泄漏检测方法,以确定文件在何时何地从文件系统中泄漏。由于检测泄漏操作的效率较低,加之存储设备规模的快速增长,使得泄漏发生的位置难以定位。利用可疑信息系统中的文件系统访问时间戳,建立了一个时间矩阵模型。然后根据时间矩阵中访问时间戳的相似度生成三种二值(0-1)矩阵。通过比较这些矩阵的相似度,最终可以确定信息泄漏的行为。实验结果表明,该方法可以更快、更准确地检测出信息泄漏。
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引用次数: 0
An Improved Cellular-Automaton-Based Algorithm for Real-Time Aircraft Landing Scheduling 一种改进的基于元胞自动机的飞机着陆实时调度算法
Pub Date : 2014-12-13 DOI: 10.1109/ISCID.2014.243
Yueshuai He, Kaiquan Cai, Yongliang Li, Mingming Xiao
Aircraft Landing Scheduling (ALS) plays an important role in ensuring safety and efficiency of flight operation in terminal area in the air traffic management domain. Since ALS problem is multi-constraint and large-scale, existing algorithms can hardly deal with it efficiently. This paper firstly introduces the mathematic model of ALS problem and the 1D Cellular-Automaton model for simulating aircraft landing process. Then, based on above two models and a practice terminal area scenario, an improved 2D-Cellular-Automaton-based algorithm is presented for solving real-time ALS problem. Compared with previous approaches for ALS, the improved algorithm puts emphasis on not only flight speed, but also flight actual landing route, which can more exactly simulate practical aircraft landing process and provide feasible aircraft landing sequence. Empirical studies, using the scenario of Chengdu Shuangliu Airport and corresponding records of flight tracks, show that our proposed algorithm outperforms existing ones.
在空中交通管理领域,飞机着陆调度对保障终端区飞行安全、高效运行起着重要作用。由于ALS问题是一个多约束和大规模的问题,现有的算法很难有效地处理它。本文首先介绍了ALS问题的数学模型和用于模拟飞机着陆过程的一维元胞自动机模型。然后,基于上述两种模型和实际终端区场景,提出了一种改进的二维元胞自动机算法来解决实时ALS问题。与以往的ALS算法相比,改进算法不仅注重飞行速度,而且注重飞行实际着陆路线,能更准确地模拟实际飞机着陆过程,提供可行的飞机着陆顺序。利用成都双流机场的场景和相应的航迹记录进行实证研究,结果表明本文提出的算法优于现有算法。
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引用次数: 7
Project Evaluation of Financial Guarantee Based on Improved Spectral Clustering 基于改进谱聚类的融资担保项目评价
Pub Date : 2014-12-13 DOI: 10.1109/ISCID.2014.224
Weiquan Sang, Xiaoping Zhang, Hui Li
Reasonable and right decisions are the keys to the successful financing guarantee project, and the core of decision-making is the correct evaluation. The improved spectral clustering algorithm is used to build the financing guarantee project evaluation model, which can avoid the set of scale factor, and reduce the computational complexity of matrix eigenvalue decomposition. The financing guarantee project evaluation model is established by MATLAB software, and the effectiveness and high efficiency of CMSC can be verified through the trainings and simulation experiments.
合理、正确的决策是融资担保项目成功的关键,而决策的核心是正确的评价。采用改进的谱聚类算法构建融资担保项目评价模型,避免了尺度因子的集合,降低了矩阵特征值分解的计算复杂度。利用MATLAB软件建立融资担保项目评价模型,通过培训和仿真实验验证了CMSC的有效性和高效性。
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引用次数: 0
期刊
2014 Seventh International Symposium on Computational Intelligence and Design
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