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2015 7th International Conference of Soft Computing and Pattern Recognition (SoCPaR)最新文献

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Predicting the success of bank telemarketing using deep convolutional neural network 利用深度卷积神经网络预测银行电话营销的成功
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492828
Kee-Hoon Kim, Chang-Seok Lee, Sang-Muk Jo, Sung-Bae Cho
Recently, exploitations of the financial big data to solve the real world problems have been to the fore. Deep neural networks are one of the famous machine learning classifiers as their automatic feature extractions are useful, and even more, their performance is impressive in practical problems. Deep convolutional neural network, one of the promising deep neural networks, can handle the local relationship between their nodes which can make this model powerful in the area of image and speech recognition. In this paper, we propose the deep convolutional neural network architecture that predicts whether a given customer is proper for bank telemarketing or not. The number of layers, learning rate, initial value of nodes, and other parameters that should be set to construct deep convolutional neural network are analyzed and proposed. To validate the proposed model, we use the bank marketing data of 45,211 phone calls collected during 30 months, and attain 76.70% of accuracy which outperforms other conventional classifiers.
近年来,利用金融大数据解决现实问题已经崭露头角。深度神经网络是著名的机器学习分类器之一,因为它的自动特征提取非常有用,而且在实际问题中表现令人印象深刻。深度卷积神经网络是一种很有前途的深度神经网络,它可以处理节点之间的局部关系,这使得该模型在图像和语音识别领域具有强大的应用前景。在本文中,我们提出了一种深度卷积神经网络架构来预测给定客户是否适合银行电话营销。分析并提出了构建深度卷积神经网络需要设置的层数、学习率、节点初值等参数。为了验证所提出的模型,我们使用了30个月内收集的45,211个电话的银行营销数据,并获得了76.70%的准确率,优于其他传统分类器。
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引用次数: 23
Power allocation of jamming attackers against PEV charging stations: A game theoretical approach 电动汽车充电站干扰攻击者的功率分配:一种博弈论方法
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492792
Zhesheng Zhang, Wei Yuan, Fanyu You
This paper considers a system consisting of multiple attackers, lots of charging stations and plug-in electric vehicles (PEVs). The attackers conduct channel jamming attacks and benefit from snatching customers (i.e., PEVs) from the victim charging stations. Suppose that the attackers are selfish and they attempt to maximize their own average net revenue per unit time. We aim to investigate the problem of how to appropriately choose its transmit power to conduct the jamming attack for every attacker. We formulate this problem as a noncooperative game, and show the existence of its solution, i.e., a Nash equilibrium (NE). Due to the existence of some coupling constraints, the game is a Generalized Nash equilibrium problem (GNEP), which is usually hard to solve. To overcome this challenge, here we introduce a variation inequality (VI) approach. More specifically, we treat the game as a VI problem, and prove the existence of its solution. We develop an iterative algorithm to compute the solution to the VI problem, which corresponds to an NE of our game. Numerical results demonstrate the effectiveness and the efficiency of our proposed algorithm.
本文研究了一个由多个攻击者、多个充电站和插电式电动汽车组成的系统。攻击者进行信道干扰攻击,并从受害者充电站抢走客户(即pev)中获利。假设攻击者是自私的,他们试图最大化自己每单位时间的平均净收入。我们的目的是研究如何合理地选择其发射功率来对每个攻击者进行干扰攻击。我们将此问题表述为一个非合作博弈,并证明了其解的存在性,即纳什均衡(NE)。由于某些耦合约束的存在,该博弈是一个一般难以求解的广义纳什均衡问题(GNEP)。为了克服这一挑战,我们在这里引入了一种变差不等式(VI)方法。更具体地说,我们将游戏视为一个VI问题,并证明其解的存在性。我们开发了一个迭代算法来计算VI问题的解,这对应于我们游戏的NE。数值结果验证了该算法的有效性和高效性。
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引用次数: 1
An integrated approach for multilingual scene text detection 一种集成的多语言场景文本检测方法
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492809
W. Liao, Yi Liang, Yi-Chieh Wu
Text messages in an image usually contain useful information related to the scene, such as location, name, direction or warning. As such, robust and efficient scene text detection has gained increasing attention in the area of computer vision recently. However, most existing scene text detection methods are devised to process Latin-based languages. For the few researches that reported the investigation of Chinese text, the detection rate was inferior to the result for English. In this research, we propose a multilingual scene text detection algorithm for both Chinese and English. The method comprises of four stages: 1. Preprocessing by bilateral filter to make the text region more stable. 2. Extracting candidate text edge and region using Canny edge detector and Maximally Stable Extremal Region (MSER) respectively. Then combine these two features to achieve more robust results. 3. Linking candidate characters: considering both horizontal and vertical direction, character candidates are clustered into text candidates using geometrical constraints. 4. Classifying candidate texts using support vector machine (SVM), to separate text and non-text areas. Experimental results show that the proposed method detects both Chinese and English texts, and achieve satisfactory performance compared to those approaches designed only for English detection.
图像中的文字信息通常包含与场景相关的有用信息,例如位置、名称、方向或警告。因此,鲁棒和高效的场景文本检测近年来在计算机视觉领域受到越来越多的关注。然而,大多数现有的场景文本检测方法都是针对拉丁语言设计的。少数报道中文文本调查的研究,其检出率不如英文文本。在本研究中,我们提出了一种中文和英文的多语言场景文本检测算法。该方法包括四个阶段:1。通过双边滤波预处理,使文本区域更加稳定。2. 分别使用Canny边缘检测器和最大稳定极值区域(MSER)提取候选文本边缘和区域。然后将这两个特征结合起来,以获得更健壮的结果。3.链接候选字符:考虑水平和垂直方向,使用几何约束将候选字符聚类成文本候选字符。4. 利用支持向量机对候选文本进行分类,分离文本区域和非文本区域。实验结果表明,该方法可以同时检测中英文文本,与仅针对英文文本的检测方法相比,取得了令人满意的效果。
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引用次数: 9
Agent-based two-dimensional barcode decoding robust against non-uniform geometric distortion 基于智能体的二维条码解码具有抗非均匀几何畸变的鲁棒性
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492804
Kazuya Nakamura, Hiroshi Kawasaki, S. Ono
Two-dimensional (2D) codes are assumed to be printed on flat planes and subject to distortion when printed on non-rigid materials such as papers and clothes. Although general 2D code decoders correct uniform distortion such as perspective distortion, it is difficult to correct non-uniform and irregular distortion of 2D code itself. To cope with this problem, this paper proposes an agent-based approach to reconstruct 2D code. In this approach, auxiliary lines are given to a 2D code and used to recognize the distortion. First, the proposed method finds 2D code area using feature patterns composed by the auxiliary lines, and looks for finder patterns by Convolutional Neural Network (CNN). Then, many agents simultaneously trace the lines referring various image features and neighborhood agents. Feature weights are optimized by Genetic Algorithm. Experimental results showed that the proposed method has prospects that it can decode distorted 2D code without occlusion.
二维(2D)代码被认为是打印在平面上,并且在非刚性材料(如纸张和衣服)上打印时容易变形。一般的二维码解码器虽然可以校正透视畸变等均匀畸变,但很难校正二维码本身的非均匀畸变和不规则畸变。为了解决这一问题,本文提出了一种基于智能体的二维代码重构方法。在这种方法中,辅助线被赋予一个二维代码,并用于识别失真。该方法首先利用辅助线组成的特征模式寻找二维码区域,并利用卷积神经网络(CNN)寻找查找模式。然后,许多代理同时跟踪参考各种图像特征和邻域代理的线。采用遗传算法优化特征权值。实验结果表明,该方法在无遮挡的情况下对二维失真码进行译码具有广阔的前景。
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引用次数: 5
An effective AIS-based model for frequency assignment in mobile communication 一种有效的基于ais的移动通信频率分配模型
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492816
S. I. Suliman, G. Kendall, I. Musirin
Having an effective method for frequency assignment is very important in mobile communications. Artificial Immune Systems, a relatively new methodology for solving optimization-related problems, is investigated in this study to design a cellular frequency assignment model. In this framework, mobile hosts are allowed to continue interacting with the cells that they are currently in, even when the number of frequencies is insufficient. When the number of users increases, it is almost impossible to foresee future frequency demands in a cell. Often cellular networks are faced with insufficient frequencies in cells, whilst other cells have more frequencies available than they need. Our model works by allocating the unused frequencies from the cells with less demand to the overloaded cells. The model demonstrates that it manages to reuse the available free-conflict frequencies efficiently.
在移动通信中,有效的频率分配方法非常重要。人工免疫系统是解决优化相关问题的一种相对较新的方法,本研究旨在设计一个蜂窝频率分配模型。在这个框架中,移动主机被允许继续与它们当前所在的小区相互作用,即使频率数量不足。当用户数量的增加,它几乎是不可能预见到未来的频率要求在一个单元中。蜂窝网络常常面临着小区频率不足的问题,而其他小区的可用频率却超过了它们的需要。我们的模型是通过细胞的未使用的频率分配与需求减少重载的细胞。模型表明,它能有效地重用free-conflict可用频率。
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引用次数: 2
Improving the performance of projection-based cancelable fingerprint template method 改进基于投影的可取消指纹模板方法的性能
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492788
T. Ahmad, Doni S. Pambudi, T. Usagawa
Biometrics, especially fingerprint, has been popular to use for authenticating users because it is relatively permanence. This characteristic, however, is a problem because once it is compromised, fingerprint data can not be replaced. The conventional cryptographic algorithm may not be able to protect fingerprint data since the fingerprint scanning result is unstable. This paper improves the performance of the previous projection-based fingerprint protection method by removing the need of the core point and applying further minutiae checking hierarchically. The experimental result which is done in a public database produces the EER of about 1%.
生物识别技术,尤其是指纹,已经被广泛用于用户身份验证,因为它是相对永久的。然而,这个特性是一个问题,因为一旦它被泄露,指纹数据就无法被替换。由于指纹扫描结果不稳定,传统的加密算法可能无法对指纹数据进行保护。本文通过消除核心点的需要,进一步分层地进行细节检查,提高了以往基于投影的指纹保护方法的性能。在公共数据库中进行的实验结果产生的EER约为1%。
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引用次数: 5
Parallel genetic algorithm with social interaction for solving constrained global optimization problems 求解约束全局优化问题的社会交互并行遗传算法
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492772
Rodrigo Lisbôa Pereira, Edson Koiti Kudo Yasojima, R. M. Oliveira, M. A. F. Mollinetti, O. N. Teixeira, R. C. L. Oliveira
The following paper introduces a parallel approach to a social variant of the Genetic Algorithm, called Parallel Genetic Algorithm with Social Interaction (PSIGA). The algorithm is based on social games involving game theory, and it is implemented using the OpenMP API, which is based on the shared memory programming model for multiple processor architectures. The main contribution of this approach is the parallelization using the Shared Memory of the Social Interaction Genetic Algorithm (SIGA) in order to achieve faster and better optimality than its nonparallel counterpart for global optimization problems with restrictions. For means of performance assessment, the algorithm is tested on four instances of engineering design problems and the obtained results compared with the Genetic Algorithm with Social Interaction (SIGA) implemented in sequential programming model.
下面的文章介绍了遗传算法的一种社会变体的并行方法,称为具有社会互动的并行遗传算法(PSIGA)。该算法基于涉及博弈论的社交游戏,并使用OpenMP API实现,该API基于多处理器架构的共享内存编程模型。该方法的主要贡献是使用社会交互遗传算法(SIGA)的共享内存进行并行化,以便在具有限制的全局优化问题上实现比其非并行对应物更快更好的最优性。作为性能评价手段,对该算法在4个工程设计问题实例上进行了测试,并与序列规划模型中实现的带有社会交互的遗传算法(SIGA)进行了比较。
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引用次数: 4
Grey wolf optimization for one-against-one multi-class support vector machines 一对一多类支持向量机的灰狼优化
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492781
Esraa Elhariri, Nashwa El-Bendary, A. Hassanien, A. Abraham
Grey Wolf Optimization (GWO) algorithm is a new meta-heuristic method, which is inspired by grey wolves, to mimic the hierarchy of leadership and grey wolves hunting mechanism in nature. This paper presents a hybrid model that employs grey wolf optimizer (GWO) along with support vector machines (SVMs) classification algorithm to improve the classification accuracy via selecting the optimal settings of SVMs parameters. The proposed approach consists of three phases; namely pre-processing, feature extraction, and GWO-SVMs classification phases. The proposed classification approach was implemented by applying resizing, remove background, and extracting color components for each image. Then, feature vector generation has been implemented via applying PCA feature extraction. Finally, GWO-SVMs model is developed for selecting the optimal SVMs parameters. The proposed approach has been implemented via applying One-againstOne multi-class SVMs system using 3-fold cross-validation. The datasets used for experiments were constructed based on real sample images of bell pepper at different stages, which were collected from farms in Minya city, Upper Egypt. Datasets of total 175 images were used for both training and testing datasets. Experimental results indicated that the proposed GWO-SVMs approach achieved better classification accuracy compared to the typical SVMs classification algorithm.
灰狼优化算法是受灰狼启发,模拟自然界中的领导层级和灰狼猎取机制而提出的一种新的元启发式算法。本文提出了一种采用灰狼优化器(GWO)和支持向量机(svm)分类算法的混合模型,通过选择支持向量机参数的最优设置来提高分类精度。拟议的办法包括三个阶段;即预处理、特征提取和gwo - svm分类阶段。该分类方法通过调整图像大小、去除背景和提取图像颜色分量来实现。然后,应用PCA特征提取实现特征向量生成。最后,建立了gwo - svm模型,用于选择最优svm参数。该方法通过使用3次交叉验证的One-againstOne多类支持向量机系统实现。实验数据集是基于上埃及明亚市农场不同阶段的甜椒真实样本图像构建的。175张图像的数据集被用于训练和测试数据集。实验结果表明,与典型的svm分类算法相比,本文提出的gwo - svm方法具有更好的分类精度。
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引用次数: 27
The effect of using super-resolution to improve feature extraction and registration of low resolution images in sensor networks 利用超分辨率技术改善传感器网络中低分辨率图像的特征提取和配准效果
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492770
Wai Chong Chia, L. Yeong, S. I. Ch'ng, Yoke Lun Kam
In this paper, the effect of using multi-image and single-image super-resolution to reduce registration errors of low resolution images is evaluated. Two sets of low resolution images were captured using CMUCam4 to perform the evaluation. Moreover, a simplified method that make use of feature points extracted from resolution enhanced / upscaled images to improve the registration of low resolution images is also presented. The simulation results show that enhancing / upscaling the images in prior to registration does help to reduce the registration errors.
本文评价了利用多图像和单图像超分辨率来降低低分辨率图像配准误差的效果。使用CMUCam4捕获两组低分辨率图像进行评估。此外,还提出了一种利用从分辨率增强/升级图像中提取的特征点来改善低分辨率图像配准的简化方法。仿真结果表明,在配准前对图像进行增强/上尺度处理有助于降低配准误差。
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引用次数: 2
A co-learning system for humans and machines 人类和机器的共同学习系统
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492774
Takaya Ogiso, K. Yamauchi, Norio Ishii, Yuri Suzuki
Artificial intelligence systems are frequently used to solve various problems in our daily lives. However, these systems require problem-specific big data to facilitate their learning processes. Unfortunately, for unknown environments, there are no previous instances available for learning. To support such learning in unknown environments, we propose a novel hybrid learning system that facilitates collaborative learning between humans and artificial intelligence systems. In this study, we verified that the proposed system accelerated the both human and machine learning by employing a simplified color design task.
人工智能系统经常被用来解决我们日常生活中的各种问题。然而,这些系统需要特定问题的大数据来促进他们的学习过程。不幸的是,对于未知的环境,没有先前可用的实例来学习。为了在未知环境中支持这种学习,我们提出了一种新的混合学习系统,促进人类和人工智能系统之间的协作学习。在这项研究中,我们通过使用简化的颜色设计任务验证了所提出的系统加速了人类和机器的学习。
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引用次数: 1
期刊
2015 7th International Conference of Soft Computing and Pattern Recognition (SoCPaR)
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