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2017 12th International Conference on Intelligent Systems and Knowledge Engineering (ISKE)最新文献

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SimWalk: Learning network latent representations with social relation similarity SimWalk:学习具有社会关系相似性的网络潜在表征
Shicheng Cui, Bin Xia, Tao Li, Ming Wu, Deqiang Li, Qianmu Li, Hong Zhang
In this paper, we present a novel method, namely SimWalk, to learn latent representations of networks. SimWalk maps nodes to a continuous vector space which maximizes the likelihood of node sequences. We design a probability-guided random walk procedure based on relation similarity, which encourages node sequences to preserve context-related neighborhoods. Different with previous work which generates rigid node sequences, we believe that relations in social net­works, especially similarity, can guide the walk to generate a more linguistic sequence. In this perspective, our model learns more meaningful representations. We demonstrate SimWalk on several multi-label real-world network classification tasks over state-of-the-art methods. Our results show that SimWalk outperforms the popular methods in complex networks.
在本文中,我们提出了一种新的方法,即SimWalk,来学习网络的潜在表征。SimWalk将节点映射到一个连续的向量空间,从而最大化节点序列的可能性。我们设计了一个基于关系相似度的概率引导随机行走过程,该过程鼓励节点序列保持上下文相关的邻域。与以往产生刚性节点序列的工作不同,我们认为社会网络中的关系,特别是相似性,可以引导行走产生更具语言性的序列。从这个角度来看,我们的模型学习了更有意义的表示。我们通过最先进的方法在几个多标签现实世界网络分类任务上演示了SimWalk。我们的结果表明,SimWalk在复杂网络中优于流行的方法。
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引用次数: 5
An evaluation of sustainable development in less developed areas of Western China 中国西部欠发达地区可持续发展评价
Bin Luo, Xiaohong Liu
China is the largest developing country in the world. In the west of China, there are some less developed areas. In order to build a moderately prosperous society in all respects in 2020, these less developed areas need to accelerate economic development and improve people's livelihood and undertake the manufacturing industry of developed countries and Chinese eastern developed area, which have negative impacts on sustainable development in the short term. This paper focuses on the goal of sustainable development and analyzes the short-term challenges faced by the strategy of sustainable development in some less developed areas in the west of China. The paper puts forward model of sustainable development, evaluation methods and suggestions in some less developed areas in the west of China based on the connotation of sustainable development.
中国是世界上最大的发展中国家。在中国西部,有一些欠发达地区。为了在2020年全面建成小康社会,这些欠发达地区需要加快经济发展和改善民生,并承担发达国家和中国东部发达地区的制造业,这在短期内对可持续发展产生了负面影响。本文从可持续发展的目标出发,分析了西部欠发达地区实施可持续发展战略面临的短期挑战。本文从可持续发展的内涵出发,提出了西部欠发达地区可持续发展的模式、评价方法和建议。
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引用次数: 0
Anti-noise possibilistic clustering based on maximum entropy 基于最大熵的抗噪声可能性聚类
Xingguang Pan, Xiongtao Zhang, Zhibin Jiang, Shitong Wang
Maximum Entropy Clustering (MEC) is an algorithm based on fuzzy c means by embedding an entropy generalization term in it. However, MEC is not robust to both noise and outliers, which leads to poor accuracy in clustering processes. In this paper, a novel clustering algorithm based on Shannon entropy is proposed, the new algorithm named Anti-noise Possibilistic Maximum Entropy Clustering (A-PMEC) is verified much more robustness in noisy dataset. We introduce the detailed formulation of A-PMEC and as well as experimental study to demonstrate the merits of the proposed method.
最大熵聚类(MEC)是一种基于模糊c均值的算法,通过在模糊c均值中嵌入熵概化项。然而,MEC对噪声和异常值的鲁棒性不强,导致聚类过程的准确性较差。本文提出了一种新的基于Shannon熵的聚类算法,该算法被称为抗噪声可能性最大熵聚类(a - pmec),在噪声数据集中具有更好的鲁棒性。我们详细介绍了A-PMEC的组成,并通过实验研究证明了该方法的优点。
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引用次数: 1
New applications of image classification in character recognition 图像分类在字符识别中的新应用
Bin Wu, Han Yu, Xiangdong Chen
Image recognition is a feature extraction and pattern matching technique to classify various objectives in computer science. In theory, it mainly relies on the images with distinguishable features as a good starting point. Each image has its own unique characteristics, and image features can be categorized into color features, texture features, and shape features etc. Therefore, using modern recognition techniques, we extract the image features through various algorithms to search for images with high similarities. There are many image recognition algorithms, and some of them are with high recognition rate while others are robust. But not all algorithms can be unconditionally implemented without adjusting to the real situation. In this paper, we introduce the classification algorithm based on Support Vector Machine (SVM) and the feature extraction method based on Principal Components Analysis (PCA). We employ the feature extraction algorithm to characterize facial features and recognize faces by comparing them to those stored in the training data set. Finally, we show the applications of feature extraction and classification algorithms in character recognition. The real characters printed on a cord are preprocessed by PCA, and then classified and identified by SVM with a good recognition rate if properly processed.
在计算机科学中,图像识别是一种特征提取和模式匹配技术,用于对各种目标进行分类。理论上,它主要依靠具有可区分特征的图像作为一个很好的起点。每幅图像都有自己独特的特征,图像特征可以分为颜色特征、纹理特征、形状特征等。因此,利用现代识别技术,我们通过各种算法提取图像特征,搜索相似度高的图像。图像识别算法有很多,有的算法识别率高,有的算法鲁棒性强。但并不是所有的算法都能在不适应实际情况的情况下无条件实现。本文介绍了基于支持向量机(SVM)的分类算法和基于主成分分析(PCA)的特征提取方法。我们使用特征提取算法来描述面部特征,并通过将其与存储在训练数据集中的人脸进行比较来识别人脸。最后,我们展示了特征提取和分类算法在字符识别中的应用。采用主成分分析法对印在线绳上的真实字符进行预处理,再采用支持向量机进行分类识别,处理得当,识别率较高。
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引用次数: 3
Quantitative composite decision-theoretic rough set 定量复合决策理论粗糙集
Linna Wang, Ling Liu, Xin Yang, Pan Zhuo
In practical decision-making, we prefer to characterize the uncertain problems with the hybrid data, which consists of various types of data, e.g., categorical, numerical, set-valued and interval-valued. The extended rough sets can deal with single types of data based on specific binary relation, including the equivalence relation, neighborhood relation, partial order relation, tolerance relation, etc. However, the fusion of these relations is a significant challenge task in such composite information table. To tackle this issue, this paper proposes the intersection and union composite relation, and further introduces a quantitative composite decision-theoretic rough set model. Moreover, we present a novel matrix-based approach to compute the upper and lower approximations in proposed model. Finally, an numerical example is conducted to illustrate the efficiency of proposed method.
在实际决策中,我们更喜欢用混合数据来描述不确定问题,混合数据由各种类型的数据组成,如分类数据、数值数据、集值数据和区间值数据。扩展粗糙集可以处理基于特定二元关系的单一类型数据,包括等价关系、邻域关系、偏序关系、容差关系等。然而,在这种复合信息表中,这些关系的融合是一个非常具有挑战性的任务。为了解决这一问题,本文提出了交集与并的组合关系,并在此基础上提出了一种定量的组合决策理论粗糙集模型。此外,我们提出了一种新的基于矩阵的方法来计算模型的上下近似。最后,通过数值算例说明了该方法的有效性。
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引用次数: 0
Knowledge-based innovative methods for collaborative quality control in equipment outsourcing chain 装备外包链协同质量控制的知识创新方法
Pulin Li, P. Jiang
Knowledge-based Innovative Methods offer a novel approach to achieve collaborative manufacturing in quality control for high-end equipment outsourcing chain. This paper introduces the new problems that modern quality control faces firstly. Then give a definition on Knowledge-based Innovative Method and its system's architecture. After that, the operating logics were described and a software platform was established. In the end, a case study was done and some conclusions were coming up.
基于知识的创新方法为高端装备外包链的协同制造质量控制提供了一种新的途径。本文首先介绍了现代质量控制面临的新问题。然后给出了基于知识的创新方法的定义及其体系结构。在此基础上,阐述了系统的运行逻辑,搭建了软件平台。最后,进行了案例研究,并得出了一些结论。
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引用次数: 3
Research on the grabcut image segmentation method based on superpixel 基于超像素的抓痕图像分割方法研究
Yang Liu, Ningning Zhou, Guofang Huang
In order to overcome the Excessive time complexity of bad quality when the disposing the picture whose foreground is similar to background of grabcut method, a grabcut method based on superpixel is proposed in this paper. This method, firstly, extracting the superpixel block of the picture. And then, split the picture which is extracted. The experimental results show that this method is effective to improve the speed of segmentation. What's more, this method can solve the problem of bad quality when the disposing the image whose foreground is similar to background in a certain extent. This paper has certain advantage in disposing those image whose size are too big and foreground is similar to background.
为了克服抓割方法在处理前景与背景相似的图像时质量差的时间复杂度过大的问题,提出了一种基于超像素的抓割方法。该方法首先提取图像的超像素块。然后对提取出来的图像进行分割。实验结果表明,该方法可以有效地提高分割速度。此外,该方法还解决了处理前景与背景在一定程度上相似的图像时,图像质量较差的问题。本文在处理大图像和前景与背景相似的图像时具有一定的优势。
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引用次数: 1
High quality voice conversion based on ISODATA clustering algorithm 基于ISODATA聚类算法的高质量语音转换
Yanping Li, Yutao Zuo, Zhen Yang, Xi Shao
Two main challenges introduced in current voice conversion are the dependence on parallel training data and the trade-off between speaker similarity and speech quality. To tackle the latter problem, this paper proposes a novel conversion method based on Iterative Self-organizing DATA Analysis Techniques Algorithm (ISODATA) clustering algorithm. Specially, we use ISODATA during the training of Gaussian mixture model, the optimized mixture number can guarantee the validity and accuracy of the GMM model, which can acquire speaker's identity effectively related to speaker similarity between original target speech and converted speech, Next, we combine improved GMM and bilinear frequency warping for the conversion stage, which can get a good balance between speaker similarity and speech quality. Theory analysis and experimental results demonstrate that the proposed algorithm can achieve higher quality and similarity compared with other two methods.
当前语音转换面临的两个主要挑战是对并行训练数据的依赖以及说话人相似度和语音质量之间的权衡。针对后一个问题,本文提出了一种基于迭代自组织数据分析技术(ISODATA)聚类算法的转换方法。其中,在高斯混合模型的训练过程中使用了ISODATA,优化后的混合数可以保证GMM模型的有效性和准确性,有效地获取原始目标语音和转换后语音之间与说话人相似度相关的说话人身份,然后在转换阶段将改进的GMM与双线性频率扭曲相结合,在说话人相似度和语音质量之间取得了很好的平衡。理论分析和实验结果表明,与其他两种方法相比,该算法可以获得更高的质量和相似度。
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引用次数: 0
Scene classification with improved AlexNet model 基于改进AlexNet模型的场景分类
Lisha Xiao, Qin Yan, Shuyu Deng
Scene classification is an important research branch of image comprehension, which gains information from images and interprets them using computer system by imitating the biological systems of human beings. AlexNet model is limited in image classification because of the large convolution kernel and stride in the first convolutional layer leading to over rapid decline of feature maps resolution and excessive compression of spatial information. This paper proposed an improved AlexNet model according to the design principle of convolutional neural networks (CNNs). The large convolution kernel is decomposed into a structure cascaded by two small convolution kernels with reduced stride. Another convolutional layer is added after the first one to enhance the integration process of the low-level features or the spatial information. The asymmetric convolution kernel is applied in the last three convolutional layers. The experiments on two datasets show that the classification accuracy of the improved AlexNet model is higher than those of AlexNet model and ZFNet model for 23 categories of scene classification.
场景分类是图像理解的一个重要研究分支,它通过模拟人类的生物系统,从图像中获取信息,并利用计算机系统对其进行解释。AlexNet模型在图像分类方面受到限制,因为其卷积核较大,且第一卷积层的步幅过大,导致特征图分辨率下降过快,空间信息压缩过度。本文根据卷积神经网络(cnn)的设计原理,提出了一种改进的AlexNet模型。将大卷积核分解为由两个小卷积核级联而成的结构。在第一层卷积层之后再加一层卷积层,增强底层特征或空间信息的融合过程。在最后三个卷积层中应用非对称卷积核。在两个数据集上的实验表明,在23个类别的场景分类中,改进的AlexNet模型的分类准确率高于AlexNet模型和ZFNet模型。
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引用次数: 45
An accident prediction approach based on XGBoost 基于XGBoost的事故预测方法
Xuehuai Shi, Qianmu Li, Yong Qi, Tiantian Huang, Jianmei Li
As an important threat to public security, urban fire accident causes huge economic loss and catastrophic collapse. Predicting and analyzing the interior rule of urban fire accident from its appearance needed to be solved in the field. In this paper, we propose a new urban fire accident prediction approach based on XGBoost. The method determines the predictive indexes in a quantitative and qualitative way from different characteristics in various kinds of fire accidents. For screening the features we need, we adopt the feature selection algorithm based on association rules. For data cleaning, we use a method based on Box-Cox transformation that transforms the continual response variables from the feature space for removing the dependencies on unobservable errors and the predictor variable to some extent. Then we use the data to train the model based on XGBoost to obtain the best prediction accuracy. Experiments show that the method provides a feasible solution to urban fire accident prediction. The method contributes to improving the public security situation, we have added the method and related model to the City in a box™, Shenzhen Aerospace Smart City System Technology Co., Ltd.
城市火灾事故作为公共安全的重要威胁,造成巨大的经济损失和灾难性的崩溃。从火灾发生的表象出发,预测和分析城市火灾事故的内部规律,是现场需要解决的问题。本文提出了一种基于XGBoost的城市火灾事故预测新方法。该方法根据各类火灾事故的不同特点,定量和定性地确定预测指标。为了筛选我们需要的特征,我们采用了基于关联规则的特征选择算法。对于数据清理,我们使用基于Box-Cox变换的方法,该方法从特征空间变换连续响应变量,以在一定程度上消除对不可观察误差和预测变量的依赖。然后利用这些数据对基于XGBoost的模型进行训练,以获得最佳的预测精度。实验表明,该方法为城市火灾事故预测提供了一种可行的解决方案。该方法有助于改善公共安全状况,我们将该方法和相关模型添加到深圳航天智慧城市系统科技有限公司的“盒中之城”™中。
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引用次数: 23
期刊
2017 12th International Conference on Intelligent Systems and Knowledge Engineering (ISKE)
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