检索结果-内蒙古大学图书馆

10th World Congress on intelligent control and Automation (WCICA)

作者： Su, Jin Huang, Xinhan Wang, Min Huazhong Univ Sci & Technol Dept Control Sci & Engn Key Lab Image Proc & Intelligent Control Educ Wuhan 430074 Peoples R China

ISBN: (纸本)9781467313988

In this paper, we focus on the need for location and pose detection of partly covered target. In micro-vision system, the accuracy of location and pose detection directly decides the effect of latter micro-operation. Former methods can't locate the target which was partly covered. According to the current problem in micro-vision system, this paper proposes a method of target location and pose detection which based on Hough transform and template matching. When the aspect ratio and area of target is certain, by detecting the shape feature and using template matching, we detect the location of target which was partly covered. Firstly, use Canny algorithm and morphology method to obtain the edge of objects. Then, use the improved Hough transform algorithm to extract line segments features and locate the candidate target region according to template matching. Finally, recognize and locate the target by detecting whether the two segments are connected to be a signal region. After recognizing target, the slant angle of the target is detected based on Hough transform. This method can exactly locate the target and get the angle. The experimental results show the proposed method is better than the former ones under complex background and partly covered targets.

关键词： micro-vision target location partly cored target pose detection Hough transform

来源：评论

学校读者我要写书评

暂无评论

Native gating behavior of ion channels in neurons with null-deviation modeling

Native gating behavior of ion channels in neurons with null-...

引用

The 4th International Ion Channel Conference(第四届国际离子通道会议)

作者： Wei Wang Jie Luo Panpan Hou Yimei Yang Feng Xiao Ming Yuchi Anlian Qu Luyang Wang Jiuping Ding Key Laboratory of Molecular Biophysics of the Ministry of Education College of Life Science and Technology Huazhong University of Science and Technology Wuhan China program in Neurosciences and Mental Health SickKids Research Institute & Department of Physiology University of Toronto Toronto Canada Key Laboratory of Image Processing and Intelligent Control Huazhong University of Science and Technology Ministry of Education Department of Biomedical Engineering College of Life Science and Technology Wuhan China

来源：评论

学校读者我要写书评

暂无评论

The application of support vector machines and improved particle swarm optimization

The application of support vector machines and improved part...

引用

2012 International Conference on Modelling, Identification and control, ICMIC 2012

作者： Zhang, Hu Wang, Min Huang, Xinhan Key Laboratory of Image Processing and Intelligent Control of Education Department of Control Science and Engineering Huazhong University of Science and Technology NO.1037 Luoyu Road 430074 Wuhan China

ISBN: (纸本)9780956715715

Parameters selection of support vector machine is the key issue that impacts its accurate performance. A method for support vector regression machine with standard particle swarm optimization (SPSO) algorithm is proposed in this paper. Furthermore, in order to improve the performance of the SPSO algorithm, the concept of the particles' average distance and fitness variance is proposed to make the efficiency of algorithm better. So, the improve algorithm was also applied in this paper. The two different models using SPSO and IPSO respectively were used to forecast the density of the acid-lead battery electrolyte. The experimental results indicate that both SPSO and IPSO have high prediction accuracy and efficiency. The time of the parametric searching by IPSO is obviously decreased to that of SPSO. The mean squared error (MSE) of the prediction model using SPSO is about 2.02056×10-4, Meanwhile, the MSE of the model using IPSO is only about 1.9324×10-4. So, the IPSO algorithm has more superior performance on convergence speed and global optimization. © 2012 Huazhong Univ of Sci & Tec.

关键词： Support vector machines

来源：评论

学校读者我要写书评

暂无评论

Reinforcement Learning based Maintenance Scheduling for a Two-Machine Flow line with Deteriorating Quality States

Reinforcement Learning based Maintenance Scheduling for a Tw...

引用

3rd Global Congress on intelligent Systems (GCIS)

作者： Wei, Min Qi, Chao Huazhong Univ Sci & Technol Educ Minist Image Proc & Intelligent Control Key Lab Wuhan 430074 Peoples R China

ISBN: (纸本)9781467330725

This paper investigates the maintenance policy of Two-Machine-One-Buffer flow line two machines with an intermediate buffer and analyzes effects of parameters on maintenance policy and system performance. The system produces good products with gradually decreasing probability when no maintenance is executed. A maintenance policy of control limit form having been testified in many literatures is adopted and a discounted reward Q-P-learning algorithm based on policy iteration is used to find out the optimal maintenance triggering states and also verify the model.

关键词： maintenance scheduling quality state Q-P-learning flow line control limit

来源：评论

学校读者我要写书评

暂无评论

Model reference decoupling controller design via LMI optimization

Model reference decoupling controller design via LMI optimiz...

引用

2012 International Conference on Modelling, Identification and control, ICMIC 2012

作者： Wang, Zhishen Zheng, Zongzhun Liu, Lei Wang, Yongji Key Laboratory of Ministry of Education for Image Processing and Intelligent Control Department of Control Science and Engineering Huazhong University of Science and Technology Wuhan China Beijing Aerospace Automatic Control Institute Beijing China

ISBN: (纸本)9780956715715

This paper proposed a H∞ based controller design method for MIMO system. We use the bound real lemma to design the controller when the reference model is given. The BMI (Bi-linear Matrix Inequality) problem is turned into a LMI (Linear Matrix Inequality) problem by congruence transformation and variables substitution. Given a decoupled reference model, the decoupling controller can be obtained by computer. We apply the method to a linearized vehicle model and the simulation results show the effectiveness of the approach. © 2012 Huazhong Univ of Sci & Tec.

关键词： MIMO systems

来源：评论

学校读者我要写书评

暂无评论

Performing Four Basic Arithmetic Operations With Spiking Neural P Systems

IEEE TRANSACTIONS ON NANOBIOSCIENCE

引用

IEEE TRANSACTIONS ON NANOBIOSCIENCE 2012年第4期11卷 366-374页

作者： Zeng, Xiangxiang Song, Tao Zhang, Xingyi Pan, Linqiang Huazhong Univ Sci & Technol Dept Control Sci & Engn Key Lab Image Proc & Intelligent Control Wuhan 430074 Hubei Peoples R China Xiamen Unviers Dept Comp Sci Xiamen 361005 Fujian Peoples R China Anhui Univ Key Lab Intelligent Comp & Signal Proc Sch Comp Sci & Technol Hefei 230039 Anhui Peoples R China

Recently, Gutierrez-Naranjo and Leporati considered performing basic arithmetic operations on a new class of bio-inspired computing devices-spiking neural P systems (for short, SN P systems). However, the binary encoding mechanismused in their research looks like the encoding approach in electronic circuits, instead of the style of spiking neurons (in usual SN P systems, information is encoded as the time interval between spikes). In this work, four SN P systems are constructed as adder, subtracter, multiplier, and divider, respectively. In these systems, a number is inputted to the system as the interval of time elapsed between two spikes received by input neuron, the result of a computation is the time between the moments when the output neuron spikes.

关键词： Arithmetic operation membrane computing spiking neural P system

来源：评论

学校读者我要写书评

暂无评论

Online multiple instance gradient feature selection for robust visual tracking

引用

PATTERN RECOGNITION LETTERS 2012年第9期33卷 1075-1082页

作者： Xie, Yuan Qu, Yanyun Li, Cuihua Zhang, Wensheng Xiamen Univ Dept Comp Sci Video & Image Lab Xiamen 361005 Peoples R China Chinese Acad Sci Inst Automat State Key Lab Intelligent Control & Management Co Beijing 100190 Peoples R China

In this paper, we focus on learning an adaptive appearance model robustly and effectively for object tracking. There are two important factors to affect object tracking, the one is how to represent the object using a discriminative appearance model, the other is how to update appearance model in an appropriate manner. In this paper, following the state-of-the-art tracking techniques which treat object tracking as a binary classification problem, we firstly employ a new gradient-based Histogram of Oriented Gradient (HOG) feature selection mechanism under Multiple Instance Learning (MIL) framework for constructing target appearance model, and then propose a novel optimization scheme to update such appearance model robustly. This is an unified framework that not only provides an efficient way of selecting the discriminative feature set which forms a powerful appearance model, but also updates appearance model in online MIL Boost manner which could achieve robust tracking overcoming the drifting problem. Experiments on several challenging video sequences demonstrate the effectiveness and robustness of our proposal. (C) 2012 Elsevier B.V. All rights reserved.

关键词： Gradient-based feature selection HOG Multiple Instance Learning Online object tracking

来源：评论

学校读者我要写书评

暂无评论

H∞ Filtering for Neutral Systems With Mixed Delays and Multiplicative Noises

引用

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS 2012年第11期59卷 820-824页

作者： Wen, Shiping Zeng, Zhigang Huang, Tingwen Huazhong Univ Sci & Technol Dept Control Sci & Engn Educ Minist China Key Lab Image Proc & Intelligent Control Wuhan 430074 Peoples R China Texas A&M Univ Qatar Doha 5825 Qatar

This brief investigates the H-infinity filtering problem for a class of neutral systems with mixed delays and multiplicative noises. The mixed delays comprise both discrete time-varying and distributed delays. Moreover, the multiplicative disturbances are in the form of a scalar Gaussian white noise with unit variance. In the presence of mixed delays and multiplicative noises, sufficient conditions for the existence of an H-infinity filter are derived, such that the filtering error dynamics is asymptotically mean-square stable and also achieves a guaranteed H-infinity performance level. Then, a linear matrix inequality approach for designing such an H-infinity filter is presented. Finally, a numerical example is provided to illustrate the effectiveness of the developed theoretical results.

关键词： H-infinity filtering mixed delay multiplicative noise neutral system

来源：评论

学校读者我要写书评

暂无评论

The almost sure asymptotic stability and pth moment asymptotic stability of nonlinear stochastic delay differential systems with polynomial growth

引用

ASIAN JOURNAL OF control 2012年第3期14卷 859-867页

作者： Liu, Lei Shen, Yi Huazhong Univ Sci & Technol Dept Control Sci & Engn Wuhan 430074 Hubei Peoples R China Huazhong Univ Sci & Technol Minist Educ Image Proc & Intelligent Control Key Lab Wuhan 430074 Hubei Peoples R China

In this paper, we discuss the asymptotic stability of nonlinear stochastic delay differential systems (SDDSs) whose coefficients obey the polynomial growth condition. By applying some novel techniques, we establish some easily verifiable conditions under which such SDDSs are almost surely asymptotically stable and pth moment asymptotically stable. A nontrivial example is provided to illustrate the effectiveness of our results. Copyright (C) 2011 John Wiley and Sons Asia Pte Ltd and Chinese Automatic control Society

关键词： Stochastic delay differential system Brownian motion polynomial growth Ito's formula pth moment asymptotic stability almost sure asymptotic stability

来源：评论

学校读者我要写书评

暂无评论

Full-order and reduced-order observers for one-sided Lipschitz nonlinear systems using Riccati equations

引用

COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION 2012年第12期17卷 4968-4977页

作者： Zhang, Wei Su, Housheng Wang, Hongwei Han, Zhengzhi Shanghai Univ Engn Sci Lab Intelligent Control & Robot Shanghai 201620 Peoples R China Huazhong Univ Sci & Technol Dept Control Sci & Engn Image Proc & Intelligent Control Key Lab Educ Minist China Wuhan 430074 Peoples R China Shanghai Jiao Tong Univ Sch Elect Informat & Elect Engn Shanghai 200240 Peoples R China

This paper aims to design full-order and reduced-order observers for one-sided Lipschitz nonlinear systems. The system under consideration is an extension of its known Lipschitz counterpart and possesses inherent advantages with respect to conservativeness. For such system, we first develop a novel Riccati equation approach to design a full-order observer, for which rigorous mathematical analysis is performed. Consequently, we show that the conditions under which a full-order observer exists also guarantee the existence of a reduced-order observer. A design method for the reduced-order observer that is dependent on the solution of the Riccati equation is then presented. The proposed conditions are easily and numerically tractable via standard numerical software. Furthermore, it is theoretically proven that the obtained conditions are less conservative than some existing ones in recent literature. The effectiveness of the proposed observers is illustrated via a simulative example. (C) 2012 Elsevier B.V. All rights reserved.

关键词： Full-order observers Reduced-order observers One-sided Lipschitz systems Riccati equations

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：