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Robust Interactive Segmentation Using Color Histogram and Contourlet Transform 基于颜色直方图和Contourlet变换的鲁棒交互式分割
Pub Date : 2015-12-01 DOI: 10.7763/IJCTE.2015.V7.1007
Guoheng Huang, Chi-Man Pun
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引用次数: 10
TH_WSD: Thai Word Sense Disambiguation Using Cross-Language Knowledge Sources Approach 基于跨语言知识库的泰语词义消歧方法
Pub Date : 2015-12-01 DOI: 10.7763/IJCTE.2015.V7.997
J. Mitrpanont, P. Chongcharoen
techniques, word forms, and even window sizes is proposed. The disambiguation techniques include path, vector, vector_pair and lesk. The 250 context words from four target words group which are วั ด (wat), หั ว (hua), เก็ บ (kep) and เกาะ (koh) from bi-text corpora of SEAlang and Concordance are studied. The experimental results show that using AWN with vector technique and PWN with path technique provides better accuracy. However, for Thai WSD included time consideration, the vector technique with AWN at five window size is suitable.
技术,单词形式,甚至窗口大小都提出了建议。消歧技术包括path、vector、vector_pair和lesk。本文研究了从汉语双文语料库中选取的四个目标词组(即:(wa)、(hua)、(keep)和(koh)中的250个上下文词。实验结果表明,采用矢量技术和路径技术分别对AWN和PWN进行定位,具有更好的精度。然而,对于泰国WSD包括时间考虑,矢量技术与AWN在五个窗口大小是合适的。
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引用次数: 3
Automatic Conversion of Human Mesh into Skeleton Animation by Using Kinect Motion 利用Kinect运动将人体网格自动转换为骨骼动画
Pub Date : 2015-12-01 DOI: 10.7763/IJCTE.2015.V7.1006
Abdul Razzaq, Zhongke Wu, Mingquan Zhou, Sajid Ali, Khalid Iqbal
Skeleton-base-animation methods have been commonly used in the character animations. The process of making skeleton for character animation is a long-winded task requiring manual tweaking. This paper presents a novel method to create an automatic animated skeleton from 3D human geometric model through mesh contraction. An automatically generated skeleton is animated by using Kinect captured human motion. The method first, extract a 1D curve-skeleton from the mesh through mesh contraction with constraints. Secondly, the hierarchical joint-based skeleton (armature) has been generated, using the extracted 1D curve-skeleton of the input mesh automatically. Third, the real-time human motion is captured by using the Kinect device. The Kinect captured motion also converts into a standard skeleton motion BVH (Biovision hierarchical) format. Finally, the Kinect motion is retargeted to animate the resulting skeleton of the mesh through joint mapping. The main objective of the proposed approach is to minimize labor-intensive process of skeleton adjustment for character animation. The results of a mesh generated skeleton and plausible skeleton animation to demonstrate the efficiency of the proposed work. The mesh generated skeleton and Kinect motion skeleton both can be directly useful for mesh skinning, mesh rigging, and motion retargeting to create satisfactory character animation. Studio and Blender. These packages require manual tweaking of the skeleton, such as bones and vertex weighting of character, manual creation of a skeleton hierarchy for getting desired animation effects. In present animation systems, object representation and its skeleton are disjointed, which often create problems in animation of the objects. The character animation based on skeleton still require experienced work and laborious process. To address these problems, a new framework has been proposed to generate an automatic animated skeleton from 3D human geometric mesh model. In this study, first extract a curve-skeleton from a polygon mesh by using mesh Laplican contractions. The extracted curve-skeleton is converted into a joint-based-skeleton automatically.This method is to make a skeleton, which has an accurate joint position, follow typology of the human skeleton. The flow of method divided into four phases. In first phase, mesh contraction has been applied to contract the given mesh model. The mesh contraction process preserves the original topology and connectivity of the mesh model. The mesh contraction process based on Laplacian smoothing with constraints. Contract the mesh iteratively until to obtain a 1D shape of that model. The 1D curve-skeleton is derived from the contracted mesh through edge contraction operation. The methods of Au et al. (4) used as starting point of the contracting mesh model. Second phase, present an automatic conversion of the refined curve-skeleton into a joint-based skeleton. Because the suitable extracted curve-skeleton should leave enough in
基于骨架的动画方法通常用于角色动画。为角色动画制作骨架的过程是一个冗长的任务,需要手动调整。提出了一种基于网格收缩的三维人体几何模型自动生成动画骨架的新方法。一个自动生成的骨架通过使用Kinect捕捉到的人体动作而动画化。该方法首先通过带约束的网格收缩,从网格中提取一维曲线骨架;其次,利用提取的输入网格的一维曲线骨架,自动生成基于分层关节的骨架(电枢);第三,利用Kinect设备实时捕捉人体动作。Kinect捕获的动作也转换成标准的骨骼运动BVH (Biovision分级)格式。最后,Kinect运动被重新定位,通过关节映射生成网格的骨架。提出的方法的主要目的是最大限度地减少角色动画的骨骼调整劳动密集型过程。网格生成的骨架和合理的骨架动画的结果证明了所提出的工作的效率。网格生成的骨架和Kinect运动骨架都可以直接用于网格蒙皮、网格索具和运动重定向,以创建令人满意的角色动画。工作室和搅拌机。这些包需要手动调整骨架,例如骨骼和角色的顶点权重,手动创建骨架层次结构以获得所需的动画效果。在目前的动画系统中,对象的表示和骨架是脱节的,这给对象的动画制作带来了很多问题。基于骨架的人物动画仍然需要经验丰富的工作和艰苦的过程。为了解决这些问题,提出了一种基于三维人体几何网格模型自动生成动画骨架的新框架。在本研究中,首先利用网格lapplican收缩法从多边形网格中提取曲线骨架。提取的曲线骨架自动转换为关节骨架。这种方法是使骨骼具有准确的关节位置,遵循人类骨骼的类型学。该方法的流程分为四个阶段。在第一阶段,网格收缩被用于收缩给定的网格模型。网格收缩过程保留了网格模型的原始拓扑结构和连通性。基于约束拉普拉斯平滑的网格收缩过程。迭代收缩网格,直到得到该模型的一维形状。通过边缘收缩运算,由收缩网格得到一维曲线骨架。采用Au等人(4)的方法作为收缩网格模型的起点。第二阶段,提出了将精细化的曲线骨架自动转换为基于关节的骨架。因为合适的提取曲线骨架应该为整体结构留下足够的信息,同时为模型保留一定程度的细节。提取的
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引用次数: 6
Controller Design for Tracking Control of an Under-Actuated Surface Ship 欠驱动水面舰船跟踪控制控制器设计
Pub Date : 2015-12-01 DOI: 10.7763/IJCTE.2015.V7.1004
W. Ngongi, Jia-lu Du
 Abstract—In this paper an output feedback controller for tracking control of surface ships based on Euler-Lagrange equations has been proposed. It has been assumed that a surface ship is moving in a horizontal plane and under-actuated in sway direction. The change of coordinate's method is applied to overcome the third order component that arises in the Lyapunov function derivatives due to Coriolis and centripetal forces term. The design of the controller is based on the backstepping control technique and Lyapunov stability theory. Firstly, the observer is derived using the change of coordinate method. Next, backstepping control technique is employed to derive the control law. Finally, a global asymptotic convergence is proven using Lyapunov stability theorems. Simulations are provided to demonstrate the performance of the designed controller and prove tracking error of the controller convergence.
摘要:本文提出了一种基于欧拉-拉格朗日方程的水面舰艇跟踪控制输出反馈控制器。假设水面舰艇在水平面上运动,并且在摇摆方向上欠驱动。利用坐标变换的方法克服了李雅普诺夫函数导数中由于科里奥利和向心力项而产生的三阶分量。控制器的设计基于反步控制技术和李亚普诺夫稳定性理论。首先,利用坐标变换法导出观测器;其次,采用反步控制技术推导控制律。最后利用Lyapunov稳定性定理证明了该算法的全局渐近收敛性。通过仿真验证了所设计控制器的性能,并验证了控制器收敛的跟踪误差。
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引用次数: 2
Multilayer Secured SIP Based VoIP Architecture 基于SIP的多层安全VoIP架构
Pub Date : 2015-12-01 DOI: 10.7763/IJCTE.2015.V7.1002
Basma Basem, A. Ghalwash, R. Sadek
VoIP faces many emerging attacks and threats. securing SIP based VoIP is a major challenging task, hence confidentiality, integrity, availability, as well as authenticity must be provided. Focusing on three main critical attacks targeting SIP based VoIP infrastructure, which are Denial of service (DoS), man-in-the middle attack, and Authenticity based attacks. In this paper the main contribution is providing a secure efficient multilayer security architecture based on open source applications (snort, snortsam and iptables, as well as OPENVPN Tunnel), The architecture provides a secure reliable VoIP services for the enterprise network, that have been deployed based on asterisk PBX. The proposed security architecture aims to prevent the mentioned critical attacks, to provide CIAA security services, by proposing an adaptive rule based queuing polices. QoS is a major challenge, the paper also provides an enhancement for the proposed architecture to minimize the delay for more efficient secure communication, as well as preventing zero day attacks by exploiting method and updating Snort DB with attack signatures. QoS factors have been measured using OPNET simulators. The proposed architecture gives promising results when it comes to attacks prevention with 0.01% better performance results compared to previous work.
VoIP面临许多新出现的攻击和威胁。保护基于SIP的VoIP是一项具有挑战性的任务,因此必须提供机密性、完整性、可用性和真实性。重点介绍针对基于SIP的VoIP基础设施的三种主要关键攻击,即拒绝服务攻击(DoS)、中间人攻击和基于真实性的攻击。本文的主要贡献是基于开源应用程序(snort, snortsam和iptables,以及OPENVPN Tunnel)提供了一个安全高效的多层安全架构,该架构为企业网络提供了一个安全可靠的VoIP服务,该网络已部署在星号PBX上。提出的安全体系结构旨在通过提出基于自适应规则的排队策略来防止上述关键攻击,并提供CIAA安全服务。QoS是一个主要的挑战,本文还提供了对所提议的架构的增强,以最大限度地减少延迟,以实现更有效的安全通信,以及通过利用方法和更新Snort DB攻击签名来防止零日攻击。使用OPNET模拟器测量了QoS因素。当涉及到攻击预防时,所提出的体系结构给出了有希望的结果,与以前的工作相比,性能结果提高了0.01%。
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引用次数: 9
An Overview of Bayesian Network Applications in Uncertain Domains 贝叶斯网络在不确定领域的应用综述
Pub Date : 2015-12-01 DOI: 10.7763/IJCTE.2015.V7.996
Khalid Iqbal, Xu-Cheng Yin, Hongwei Hao, Qazi Mudassar Ilyas, Hazrat Ali
 Abstract—Uncertainty is a major barrier in knowledge discovery from complex problem domains. Knowledge discovery in such domains requires qualitative rather than quantitative analysis. Therefore, the quantitative measures can be used to represent uncertainty with the integration of various models. The Bayesian Network (BN) is a widely applied technique for characterization and analysis of uncertainty in real world domains. Thus, the real application of BN can be observed in a broad range of domains such as image processing, decision making, system reliability estimation and PPDM (Privacy Preserving in Data Mining) in association rule mining and medical domain analysis. BN techniques can be used in these domains for prediction and decision support. In this article, a discussion on general BN representation, draw inferences, learning and prediction is followed by applications of BN in some specific domains. Domain specific BN representation, inferences and learning process are also presented. Building upon the knowledge presented, some future research directions are also highlighted.
摘要-不确定性是从复杂问题领域中发现知识的主要障碍。这些领域的知识发现需要定性分析而不是定量分析。因此,定量度量可以用来表示不确定性与各种模型的集成。贝叶斯网络(BN)是一种广泛应用于表征和分析现实世界领域不确定性的技术。因此,在图像处理、决策制定、系统可靠性估计以及关联规则挖掘和医疗领域分析中的PPDM (Privacy Preserving in Data Mining,数据挖掘中的隐私保护)等广泛领域中可以看到BN的实际应用。BN技术可以用于这些领域的预测和决策支持。在本文中,讨论了BN的一般表示,得出推论,学习和预测,然后是BN在一些特定领域的应用。还介绍了特定领域的BN表示、推理和学习过程。在此基础上,展望了未来的研究方向。
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引用次数: 18
Artificial Intelligence in Personalized Medicine Application of AI Algorithms in Solving Personalized Medicine Problems 个性化医疗中的人工智能AI算法在解决个性化医疗问题中的应用
Pub Date : 2015-12-01 DOI: 10.7763/IJCTE.2015.V7.999
Jamilu Awwalu, A. Garba, A. Ghazvini, Rose Atuah
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引用次数: 37
The Performance of Controlling Cannon Barrel Position on the Moving Platform Using Neural Network Control and Sliding Mode Control 基于神经网络和滑模控制的移动平台炮身位置控制性能研究
Pub Date : 2015-12-01 DOI: 10.7763/IJCTE.2015.V7.1005
Wiwik Wiharti, S. Anggraini, I. Rimra
One of the gunboat weapons that need to stay stable is the cannon. Its unbalance position that caused by pitch and roll disturbance will influence the target accuracy, target detection, tracking system, object identification and the ability to counter the threat. In order to determine this disturbance, the balancing control on the movement platform can be solved by using neural network control and sliding mode control methods. To make an approach, the cannon movement system can be modeled in training and elevation movements and the disturbances are modeled through pitch and roll mechanisms. The variations in obtained parameters of training and elevation (moment of inertia) are the non-linearity result of the moving cannon. The system is simulated to verify the error in the controller's output processed using the neural network coordination system control and sliding mode control. The learning process in the neural network is made using back propagation method in order to get the weight value at the different disturbances which their results are given in the simulation of coordination models. On the other hand, the free chattering of sliding mode control is implemented in order to make the movement of training and elevation can be controlled for having the desired angle position in the disturbance of pitch and roll. This paper is based on the study to compare the performance of neural network control and sliding mode control on the moving platform.
炮艇上需要保持稳定的武器之一是大炮。由俯仰和滚转扰动引起的不平衡位置将影响目标精度、目标检测、跟踪系统、目标识别和对抗威胁的能力。为了确定这种扰动,可以采用神经网络控制和滑模控制方法解决运动平台的平衡控制问题。为解决这一问题,可以对火炮运动系统在训练和仰角运动中进行建模,并通过俯仰和横摇机构对扰动进行建模。所得到的训练和仰角参数(转动惯量)的变化是火炮运动的非线性结果。对系统进行了仿真,验证了采用神经网络协调系统控制和滑模控制处理控制器输出的误差。利用反向传播方法对神经网络进行学习,得到在不同扰动下的权值,并在协调模型仿真中给出了学习结果。另一方面,实现了滑模控制的自由抖振,使训练和仰角的运动在俯仰和横摇扰动下能够得到期望的角度位置。本文在此基础上比较了神经网络控制和滑模控制在移动平台上的性能。
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引用次数: 0
Enlarging Test Collections of Composite Semantic Services 扩展复合语义服务的测试集合
Pub Date : 2015-12-01 DOI: 10.7763/IJCTE.2015.V7.998
H. Saboohi, A. Amini, T. Herawan, S. A. Kareem, Nooshin Anari, Gholamreza Ahakian
There are numerous methods which are proposed to mediate semantic Web services. The mediations of semantic services include their discovery, composition, execution, and monitoring. These are performed on both atomic and composite services. Newly proposed methods are required to be evaluated on a dataset. Despite the existence of atomic test collections of semantic services, the number of publicly available test collections containing composite services is not comparable. In this paper, we propose an approach to enlarge the number of composite services in a test collection. We generate new composites by calculating subdigraphs of available composite services. We evaluated our approach on a number of composite services and we could exponentially enlarge the size of test collections.
有许多方法被提议用于中介语义Web服务。语义服务的中介包括它们的发现、组合、执行和监视。这些都在原子服务和组合服务上执行。新提出的方法需要在数据集上进行评估。尽管存在语义服务的原子测试集合,但是包含组合服务的公开可用测试集合的数量是不可比较的。在本文中,我们提出了一种在测试集合中扩大组合服务数量的方法。我们通过计算可用组合服务的子图来生成新的组合。我们在许多复合服务上评估了我们的方法,并且我们可以成倍地扩大测试集合的大小。
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引用次数: 0
Comparative Analysis of Vocal Characteristics in Speakers with Depression and High-Risk Suicide 抑郁症与自杀高危说话者声音特征的比较分析
Pub Date : 2015-12-01 DOI: 10.7763/IJCTE.2015.V7.1001
Thaweewong Akkaralaertsest, T. Yingthawornsuk
The procedure of this research was carried out in order to investigate the discriminative property of the focused vocal parameters mainly between depressed speakers and high-risk suicidal speaker groups. The result revealed that MFCC and GSS parameters are slightly high effective in term of vocal indicator corresponding to severe depression with fairly high performance in between-group separation.
本研究的目的是探讨抑郁症说话者和高危自杀说话者的焦点声参数的区别性。结果表明,MFCC和GSS参数在重度抑郁对应的声音指标上的有效性略高,在组间分离上的有效性较高。
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引用次数: 3
期刊
International Journal of Computer Theory and Engineering
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