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2017 13th International Conference on Natural Computation, Fuzzy Systems and Knowledge Discovery (ICNC-FSKD)最新文献

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Rough membership measure in intuitionistic fuzzy information system 直觉模糊信息系统中的粗糙隶属度度量
Binbin Sang, Weihua Xu
Fuzzy relation is the generalization of the classical binary relation. Based on intuitionistic fuzzy information system, a fuzzy equivalence relation is defined in this paper. Thus, fuzzy approximation space is established in intuitionistic fuzzy information system. And rough membership measure is defined by fuzzy equivalence relation. In addition, a few significant properties of the degree of the roughness of membership are proved., after that an demonstrative case is proposed in intuitionistic fuzzy information system.
模糊关系是经典二元关系的推广。在直觉模糊信息系统的基础上,定义了一个模糊等价关系。因此,在直觉模糊信息系统中建立了模糊逼近空间。通过模糊等价关系定义粗糙隶属度度量。此外,还证明了隶属度粗糙度的几个重要性质。在此基础上,提出了一个直观模糊信息系统的实例。
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引用次数: 1
Classify 3D voxel based point-cloud using convolutional neural network on a neural compute stick 在神经计算棒上使用卷积神经网络对三维体素点云进行分类
Xiaofang Xu, Joao Amaro, Sam Caulfield, G. Falcão, D. Moloney
With the recent surge in popularity of Convolutional Neural Networks (CNNs), motivated by their significant performance in many classification and related tasks, a new challenge now needs to be addressed: how to accommodate CNNs in mobile devices, such as drones, smartphones, and similar low-power devices? In order to tackle this challenge we exploit the Vision Processing Unit (VPU) that combines dedicated CNN hardware blocks and very high power efficiency. The lack of readily available training data and memory requirements are two of the factors hindering the training and accuracy performance of 3D CNNs. In this paper, we propose a method for generating synthetic 3D point-clouds from realistic CAD scene models (based on the ModelNet10 dataset), in order to enrich the training process for volumetric CNNs. Furthermore, an efficient 3D volumetric object representation (VOLA) is employed. VOLA (Volumetric Accelerator) is a sexaquaternary (power-of-four subdivision) tree-based representation which allows for significant memory saving for volumetric data. Multiple CNN models were trained and the top performing model was ported to the Fathom Neural Compute Stick (NCS). Among the trained CNN models, the maximum test accuracy achieved is 91.3%. After deployment on the Fathom NCS, it takes 11ms (∼ 90 frames per second) to perform inference on each input volume, with a reported power requirement of 1.2W which leads to 75.75 inference per second per Watt.
随着卷积神经网络(cnn)在许多分类和相关任务中的显著表现,其最近的普及程度激增,现在需要解决一个新的挑战:如何在移动设备(如无人机、智能手机和类似的低功耗设备)中适应cnn ?为了应对这一挑战,我们开发了视觉处理单元(VPU),它结合了专用的CNN硬件块和非常高的功率效率。缺乏现成的训练数据和内存需求是阻碍3D cnn训练和精度性能的两个因素。在本文中,我们提出了一种从真实CAD场景模型(基于ModelNet10数据集)生成合成三维点云的方法,以丰富体积cnn的训练过程。此外,还采用了一种高效的三维体积对象表示方法(VOLA)。VOLA (Volumetric Accelerator)是一种基于六元(四次幂细分)树的表示法,可以为体积数据节省大量内存。训练多个CNN模型,并将表现最好的模型移植到Fathom Neural Compute Stick (NCS)上。在训练的CNN模型中,达到的最大测试准确率为91.3%。在Fathom NCS上部署后,对每个输入量执行推理需要11ms(每秒90帧),据报道功率要求为1.2W,导致每秒每瓦特进行75.75次推理。
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引用次数: 15
Robust segmentation of brain MRI images using a novel fuzzy c-means clustering method 基于模糊c均值聚类方法的脑MRI图像鲁棒分割
Min Li, Zhikang Xiang, Limei Zhang, Z. Lian, Liang Xiao
Segmentation of brain magnetic resonance imaging (MRI) images is greatly significant in neuroscience field. We propose a novel FCM method for segmentation of brain MRI images that makes full use of both the image intensity and spatial feature information. The proposed method can handle images having intensity inhomogeneity and noises by using the regularization that does not only consider the bias field but also takes neighborhood influence into account. Experiment indicates that the novel FCM method achieves more accurate and robust results in segmentation of brain MRI images compared to the expectation-maximization (EM) method and the conventional FCM method.
脑磁共振成像(MRI)图像的分割在神经科学领域具有重要意义。提出了一种充分利用图像强度和空间特征信息的脑MRI图像分割新方法。该方法采用了既考虑偏置场又考虑邻域影响的正则化方法,可以处理具有强度非均匀性和噪声的图像。实验表明,与期望最大化(EM)方法和传统的FCM方法相比,该方法在脑MRI图像分割方面具有更高的准确性和鲁棒性。
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引用次数: 0
A study on the impact of regulatory compliance awareness on security management performance and information technology capabilities 法规遵从意识对安全管理绩效和信息技术能力的影响研究
Yung Chang Wu, Linfeng, S. Wu
Cloud computing and big data represent a profound change in the trend towards intensive, large-scale, and professional development of the IT area; however, while improving IT capabilities, such changes have brought great impact and challenges to user information asset security and privacy protection; for the large-amount of transfers of the banking industry's commercial activities in the international financial market, a reliable operating environment must be provided to ensure data security. This study explores and analyzes the challenges to technology, standards, supervision, etc. in the field of information security, brought by emerging information areas, such as cloud computing; referring to the cloud computing security framework and the main research content under the framework, it points out that the popularization and application of cloud computing and big data are the major challenges and development opportunities in the field of information security in recent years, which leads to another important technological change in the field of information security. This study adopts the method of empirical study, and collects data through questionnaires, in order to learn about the impact of the research subjects' compliance with information security awareness on the security governance performance and information technology capabilities of banks.
云计算和大数据是IT领域向集约化、规模化、专业化发展趋势的深刻变化;然而,这些变化在提高IT能力的同时,也给用户信息资产安全和隐私保护带来了巨大的冲击和挑战;银行业商业活动在国际金融市场上的大量转移,必须提供可靠的操作环境,确保数据安全。本研究探讨和分析了云计算等新兴信息领域给信息安全领域带来的技术、标准、监管等方面的挑战;参考云计算安全框架及框架下的主要研究内容,指出云计算和大数据的普及应用是近年来信息安全领域的重大挑战和发展机遇,导致信息安全领域又一次重要的技术变革。本研究采用实证研究的方法,通过问卷调查的方式收集数据,了解研究对象遵守信息安全意识对银行安全治理绩效和信息技术能力的影响。
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引用次数: 3
A novel keyphrase extraction method by combining FP-growth and LDA 一种结合FP-growth和LDA的关键词提取新方法
Hao Sun, Bing Li, Bo Han
Fast-growing technologies like cloud-computing, big data, mobile Internet, artificial intelligence, etc. have driven the emergences of a lot of new phrases. In this paper, we propose a novel keyphrases extraction method with two steps by combining FP-growth algorithm and Latent Dirichlet Allocation (LDA) topic modeling. In the first step, we apply FP-growth algorithm to obtain frequent neighborhood words co-occurring frequently as candidate phrases. In the second step, we extract significant keyphrases by LDA models. Our experiments on two datasets CVE-2015 and 20-newsgroups have shown that the proposed approach can extract significant keyphrases and these phrases can help improve the text classification accuracy.
云计算、大数据、移动互联网、人工智能等快速发展的技术带动了许多新短语的出现。本文将FP-growth算法与Latent Dirichlet Allocation (LDA)主题建模相结合,提出了一种新的两步关键短语提取方法。在第一步中,我们使用FP-growth算法获得频繁共存的邻域词作为候选短语。第二步,利用LDA模型提取重要关键短语。我们在CVE-2015和20-newsgroups两个数据集上的实验表明,该方法可以提取出重要的关键短语,这些关键短语有助于提高文本分类的准确率。
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引用次数: 0
An improved decision tree algorithm based on mutual information 基于互信息的改进决策树算法
Lietao Fang, Hong Jiang, Shuqi Cui
As a classical data mining algorithm, decision tree has a wide range of application areas. Most of the researches on decision tree are based on ID3 and its derivative algorithms, which are all based on information entropy. In this paper, as the most important key point of the decision tree, the metric of the split attribute is studied. The mutual information is introduced into decision tree classification. The results show that the decision tree classification model based on mutual information is a better classifier. Compared with the ID3 classifier based on information entropy, it is verified that the accuracy of the decision tree algorithm based on mutual information has been greatly improved, and the construction of the classifier is more rapid.
决策树作为一种经典的数据挖掘算法,有着广泛的应用领域。大多数关于决策树的研究都是基于ID3及其衍生算法,它们都是基于信息熵的。本文将分割属性的度量作为决策树最重要的关键点进行了研究。将互信息引入决策树分类中。结果表明,基于互信息的决策树分类模型是一种较好的分类器。与基于信息熵的ID3分类器相比,验证了基于互信息的决策树算法的准确率大大提高,并且分类器的构建速度更快。
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引用次数: 7
Language independent text summarization of western European languages using shape coding of text elements 基于文本元素形状编码的西欧语言非语言文本摘要
A. Saleh, L. Weigang
The majority of text summarization techniques in literature depend, in one way or another, on language dependent pre-structured lexicons, databases, taggers and/or parsers. Such techniques require a prior knowledge of the language of the text being summarized. In this paper we propose an extractive text summarization tool, UnB Language Independent Text Summarizer (UnB-LITS), which is capable of performing text summarization in a language independent manner. The new model depends on intrinsic characteristics of the text being summarized rather than its language and thus eliminates the need for language dependent lexicons, databases, taggers or parsers. Within this tool, we develop an innovative way of coding the shapes of text elements (words, n-grams, sentences and paragraphs), in addition to proposing language independent algorithms that is capable of normalizing words and performing relative stemming or lemmatization. The proposed algorithms and Shape-Coding routine enable the UnB-LITS tool to extract intrinsic features of document elements and score them statistically to extract a representative extractive summary independent of the document language. In this paper we focused on single document summarization of western European languages. The tool was tested on hundreds of documents written in English, Portuguese, French and Spanish and showed better performance as compared with the results obtained in literature as well as from commercial summarizers.
文献中的大多数文本摘要技术都以这样或那样的方式依赖于语言相关的预结构化词汇、数据库、标记器和/或解析器。这种技巧要求对所总结的文本的语言有事先的了解。在本文中,我们提出了一种提取文本摘要工具,UnB语言独立文本摘要器(UnB- lits),它能够以语言独立的方式执行文本摘要。新模型依赖于被总结文本的内在特征,而不是其语言,因此消除了对依赖于语言的词典、数据库、标注器或解析器的需要。在这个工具中,我们开发了一种创新的方法来编码文本元素(单词,n-gram,句子和段落)的形状,除了提出能够规范化单词并执行相对词干或词法化的语言独立算法之外。所提出的算法和Shape-Coding例程使UnB-LITS工具能够提取文档元素的内在特征,并对其进行统计评分,以提取独立于文档语言的代表性提取摘要。本文主要研究了西欧语言的单文献摘要。该工具在数百份用英语、葡萄牙语、法语和西班牙语撰写的文件上进行了测试,与从文献和商业摘要器中获得的结果相比,显示出更好的性能。
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引用次数: 2
Perceptual texture similarity learning using deep neural networks 基于深度神经网络的感知纹理相似性学习
Ying Gao, Yanhai Gan, Junyu Dong, Lin Qi, Huiyu Zhou
The majority of studies on texture analysis focus on classification and generation, and few works concern perceptual similarity between textures, which is one of the fundamental problems in the field of texture analysis. Previous methods for perceptual similarity learning were mainly assisted by psychophysical experiments and computational feature extraction. However, the calculated similarity matrix is always seriously biased from human observation. In this paper, we propose a novel method for similarity prediction, which is based on convolutional neural networks (CNNs) and stacked sparse auto-encoder (SSAE). The experimental results show that the predicted similarity matrixes are more perceptually consistent with psychophysical experiments compared to other predicting methods.
纹理分析的研究大多集中在纹理的分类和生成上,很少有研究关注纹理之间的感知相似性,而感知相似性是纹理分析领域的基本问题之一。以往的感知相似学习方法主要是借助于心理物理实验和计算特征提取。然而,计算出的相似矩阵往往与人类观察结果存在严重偏差。本文提出了一种基于卷积神经网络(cnn)和堆叠稀疏自编码器(SSAE)的相似性预测新方法。实验结果表明,与其他预测方法相比,预测的相似性矩阵在感知上更符合心理物理实验。
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引用次数: 1
Fuzzy approach to fatigue problems in composite materials and structures 复合材料和结构疲劳问题的模糊方法
Fatigue Life Durability, Fatigue Behaviour
For composites static strength, fatigue damage and durability demonstrate a scatter factor of results larger than for isotropic materials. To characterize it the fuzzy set approach is proposed. Two different mechanical descriptions of fatigue life are used in order to describe the uncertainty and randomness of parameters characterizing the fatigue damage and finally the fatigue durability. The theoretical predictions representing the lower and upper bounds of a fatigue life are compared with experimental data. In general, the present analysis shows that the fuzzy set description allows us to take into account much more parameters than classical deterministic or statistical methods.
对于复合材料的静态强度、疲劳损伤和耐久性,结果的分散系数大于各向同性材料。为了对其进行表征,提出了模糊集方法。为了描述表征疲劳损伤和疲劳耐久性的参数的不确定性和随机性,采用了两种不同的疲劳寿命力学描述。将代表疲劳寿命下界和上界的理论预测与实验数据进行了比较。总的来说,目前的分析表明,模糊集描述允许我们考虑比经典的确定性或统计方法更多的参数。
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引用次数: 1
Int-fGrid: A type-2 fuzzy approach for scheduling tasks of computational grids Int-fGrid:计算网格任务调度的2型模糊方法
Bruno M. P. Moura, G. Schneider, A. Yamin, R. Reiser, M. Pilla
Scheduling tasks is a known NP-Hard problem. As grow the number of variables such as computational power and network metrics, even heuristic-based schedulers start to become overwhelmed by the underlying complexity. Computational Grids (CGs) are known for their heterogeneity of resources and interconnections, and as these resources may be deployed throughout the world, it is not possible to have a single, centralized, precise view of the system at any given moment. This paper provides a new approach with Fuzzy Type-2 logics to treat uncertainties and dynamic behavior for scheduling tasks in grid environments, named Int-fGrid. The scheduler was validated through simulations in the SimGrid framework with a model of the GridRS architecture. Our results show that the Fuzzy Type-2 approach provides makespans up to 18.5 times better than the best alternative tested scheduler XSufferage.
调度任务是一个已知的NP-Hard问题。随着计算能力和网络指标等变量数量的增加,甚至基于启发式的调度器也开始被潜在的复杂性压垮。计算网格(cg)以其资源和互连的异构性而闻名,并且由于这些资源可能部署在世界各地,因此不可能在任何给定时刻对系统有一个单一的、集中的、精确的视图。本文提出了一种用模糊2型逻辑处理网格环境下调度任务的不确定性和动态行为的新方法,称为Int-fGrid。该调度器在SimGrid框架中使用GridRS体系结构模型进行了仿真验证。我们的结果表明,模糊类型-2方法提供的makespans比最佳替代测试调度器xsuffage好18.5倍。
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引用次数: 2
期刊
2017 13th International Conference on Natural Computation, Fuzzy Systems and Knowledge Discovery (ICNC-FSKD)
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