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2011 3rd International Conference on Awareness Science and Technology (iCAST)最新文献

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Optimizing and modeling of gas scheduling system in iron and steel enterprises 钢铁企业燃气调度系统的优化与建模
Pub Date : 2011-09-01 DOI: 10.1109/ICAWST.2011.6163119
Bingzhi Gao, Zhilei Wang, Xiaoli Li, Yixin Yin
As the important secondary energy in iron and steel enterprises, the reasonable selection of scheduling model and optimization method of gas is significant for the reduction of gas diffusion and the increase of economic benefits. Considering the production status of an iron and steel enterprise in Hebei Province, a gas scheduling model is derived. Based on this model, a relatively optimal scheduling strategy is given by using simplex method optimization algorithm.
煤气作为钢铁企业重要的二次能源,合理选择调度模型和优化方法对减少煤气扩散、提高经济效益具有重要意义。结合河北省某钢铁企业的生产现状,建立了燃气调度模型。在此模型的基础上,采用单纯形法优化算法给出了一个相对最优的调度策略。
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引用次数: 0
A novel framework for low-light colour image enhancement and denoising 一种新的弱光彩色图像增强和去噪框架
Pub Date : 2011-09-01 DOI: 10.1109/ICAWST.2011.6163088
Wenshuai Yin, Xiangbo Lin, Yi Sun
This article describes a novel framework for low-light colour image enhancement and denoising. To avoid influences from different colour channels, noise reduction and brightness/contrast enhancement are performed in different colour spaces. In the HSI space, the Bilateral filter is used for illumination- and reflection-component separation, and is effective for edge-preservation, halo removal and noise suppression. Brightness/contrast are extrapolated by using a newly designed histogram, where a suppression term based on the statistics of mathematical expectation and standard deviation was added to improve the algorithm's adaptability. Meanwhile, a saturation enhancement function was proposed to ensure more natural colours. In the YCbCr space, based on noise characteristics in low-light images, Gaussian and Median filters were adopted to reduce the noise. Experimental results indicate that the algorithm is effective for low illumination compensation, colour restoration and noise reduction.
本文描述了一种新的弱光彩色图像增强和去噪框架。为避免不同色彩通道的影响,我们在不同的色彩空间进行降噪和亮度/对比度增强。在HSI空间中,双边滤波器用于照明和反射分量分离,并且有效地保持边缘,去除光晕和抑制噪声。采用新设计的直方图外推亮度/对比度,在直方图中加入了基于数理期望和标准差统计的抑制项,提高了算法的适应性。同时,提出了饱和度增强功能,以确保更自然的色彩。在YCbCr空间中,根据低光图像的噪声特征,采用高斯滤波器和中值滤波器进行降噪。实验结果表明,该算法具有较好的低照度补偿、色彩恢复和降噪效果。
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引用次数: 14
A weighted ELRT-based robust spectrum sensing algorithm 一种基于加权elrt的鲁棒频谱感知算法
Pub Date : 2011-09-01 DOI: 10.1109/ICAWST.2011.6163130
Junrong Gu, Wenglong Liu, Sungjeen Jang, J. Kim
Most of current spectrum sensing methods assume the probability density functions (PDFs) about some parameters are known beforehand. However, in most practical applications, the communication environments usually vary with time. The presumed PDF estimated previously might be different from the actual one. It will degrade the performance of most spectrum sensing methods dramatically. In this paper, we propose a robust approach to address this problem. The weighted Empirical Likelihood Ratio Test (ELRT) is an effective method in statistical mathematics which can improve the robustness against the effect of imprecise knowledge of PDF under small sample size. The weighted ELRT obtains the robustness by re-weighting the contributions of actual PDF to likelihood. We employ the weighted ELRT in spectrum sensing, and term this new method as weighted ELRT-based robust spectrum sensing. Simulation results corroborate the performance of the proposed method over those of conventional ones.
目前大多数的频谱传感方法都假定某些参数的概率密度函数是事先已知的。然而,在大多数实际应用中,通信环境通常随时间而变化。先前估计的假定PDF可能与实际PDF不同。这将大大降低大多数频谱传感方法的性能。在本文中,我们提出了一个健壮的方法来解决这个问题。加权经验似然比检验(weighted Empirical Likelihood Ratio Test, ELRT)是统计数学中一种有效的方法,可以提高统计数学在小样本量下对PDF知识不精确影响的稳健性。加权ELRT通过重新加权实际PDF对似然的贡献来获得鲁棒性。我们将加权ELRT用于频谱感知,并将这种新方法称为基于加权ELRT的鲁棒频谱感知。仿真结果验证了该方法优于传统方法的有效性。
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引用次数: 0
Cooperative air-defense system of system model based on immune multi-agent for surface warship formation 基于免疫多智能体的水面舰艇编队协同防空系统模型
Pub Date : 2011-09-01 DOI: 10.1109/ICAWST.2011.6163151
Jun Wang, Xiao-zhe Zhao, Yin-han Zhang, Bu-yun Wang
Inspired by the principle of the biological immune system (BIS), this paper proposed an immune multi-agent network (IMAN) model by means of the theory and method of the multi-agent system (MAS). On the base of analyzing the comparability on the defense function and adaption and self-organization between the cooperative air-defense system of system for surface warship formation (CASoSSWF) and the BIS, the CASoSSWF is mapped to the BIS, furthermore the new function structure model of immune agents of the CASoSSWF are designed. Above IMAN model and its immune defense theory colligated, the novel immune multi-agent network model is established and the model defense mechanism is analyzed. The aim is to exploit an original idea for the cooperative air-defense system of system for surface warship formation, and to provide a theoretical model that can be used to found a modern combat simulation system.
受生物免疫系统(BIS)原理的启发,利用多智能体系统(MAS)的理论和方法,提出了一种免疫多智能体网络(IMAN)模型。在分析水面舰艇编队协同防空系统(CASoSSWF)与BIS在防御功能、自适应和自组织方面的可比性的基础上,将CASoSSWF映射到BIS,并设计了新的CASoSSWF免疫因子功能结构模型。综合上述IMAN模型及其免疫防御理论,建立了新型免疫多智能体网络模型,并分析了模型防御机理。旨在为水面舰艇编队系统协同防空系统提供一种新颖的思想,并为建立现代作战仿真系统提供理论模型。
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引用次数: 2
Dynamic noise reduction algorithm based on time-variety filter 基于时变滤波器的动态降噪算法
Pub Date : 2011-09-01 DOI: 10.1109/ICAWST.2011.6163085
Zhe Chen, Dan Shi, F. Yin
In this paper, a new dynamic noise reduction algorithm is proposed based on time-variety filter (TVF), which can be implemented in both time and modified discrete cosine transform (MDCT) domain. In time domain, an IIR filter with changeable bandwidth is for the TVF. In frequency domain, combined with MDCT transform, the noise is suppressed in MDCT domain. A few experiment results reveal that the algorithm retains the noise-suppressing performance with low delay and algorithm complexity.
本文提出了一种基于时变滤波器(TVF)的动态降噪算法,该算法可以在时间域和修正离散余弦变换(MDCT)域实现。在时域上,采用可变带宽的IIR滤波器对TVF进行滤波。在频域,结合MDCT变换,在MDCT域抑制噪声。实验结果表明,该算法具有较低的噪声抑制延迟和算法复杂度。
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引用次数: 2
Orange computing: Challenges and opportunities for awareness science and technology 橙色计算:感知科学与技术的挑战与机遇
Pub Date : 2011-09-01 DOI: 10.1109/ICAWST.2011.6163186
Jhing-Fa Wang, Bo-Wei Chen
This paper presents a newly emerging technology called orange computing for humanistic care applications. Orange computing refers to health, happiness, and physiopsychological care computing, which focuses on designing algorithms and systems for enhancing body and mind balance. Compared with green computing, orange computing lays more emphasis on humanistic care, particularly the elderly or those who require a certain degree of extra practical and physical/psychological help. According to color psychology, orange is a harmonic fusion of passion, love, and happiness. It is appropriate to choose orange as the representative color for orange computing. The goal of orange computing is to increase awareness of science and technology and finally to promote mental wellness for the well-being of the society.
本文介绍了一种新兴的人文关怀应用技术——橙色计算。橙色计算是指健康、快乐和生理心理护理计算,侧重于设计增强身心平衡的算法和系统。与绿色计算相比,橙色计算更强调人文关怀,特别是老年人或需要一定程度额外实际和身体/心理帮助的人。根据色彩心理学,橙色是激情、爱情和幸福的和谐融合。选择橙色作为橙色计算的代表色是合适的。橙色计算的目标是提高人们对科学技术的认识,最终促进心理健康,造福社会。
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引用次数: 9
Seamless fusion of GPS-VT service from outdoor to indoor cameras 从室外到室内摄像头的GPS-VT服务无缝融合
Pub Date : 2011-09-01 DOI: 10.1109/ICAWST.2011.6163145
Hsien-Chou Liao, Ching-Min Lai
Cameras and surveillance systems are widely installed at streets, communities, schools, buildings and so on. In our previous results, the global positioning system (GPS) was incorporated with the visual tracking technique, called GPS-VT. A person can be located and tracking according his GPS coordinate in the outdoor environment. However, GPS-VT service is unavailable when the person walks in an indoor environment. Therefore, the purpose of this study is to provide a seamless fusion of GPS-VT service for persons from the outdoor to indoor environment. In order to achieve the above purpose, template matching, shadow removal, and collision resolution techniques are used for the tracking among multiple cameras in the indoor environment. Besides, the elapsed time of a person leaving the field-of-views (FOV) of one camera and entering the FOV of another is not a fixed value. An automatic estimation mechanism is designed and a normal distribution function is used to estimate an acceptable interval of the elapsed time. Such a mechanism is performed for any two successive cameras. Besides, a prototype was implemented to demonstrate that the GPS-VT service is extended from outdoor to indoor environment with multiple cameras.
摄像头和监控系统广泛安装在街道、社区、学校、建筑物等。在我们之前的研究结果中,全球定位系统(GPS)与视觉跟踪技术相结合,称为GPS- vt。在室外环境中,可以根据GPS坐标对人进行定位和跟踪。然而,当人在室内环境中行走时,GPS-VT服务不可用。因此,本研究的目的是为人们提供从室外到室内环境的GPS-VT服务的无缝融合。为了达到上述目的,采用模板匹配、阴影去除、碰撞分辨等技术进行室内环境下多摄像机之间的跟踪。此外,一个人从一台摄像机的视场进入另一台摄像机的视场所经过的时间并不是一个固定值。设计了一种自动估计机制,并使用正态分布函数估计可接受的运行时间间隔。这种机制可用于任意两个连续的摄像机。并通过样机验证了GPS-VT服务在多摄像机环境下从室外扩展到室内的可行性。
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引用次数: 4
Use of mobile transceiving stations with two antennas to reduce the interference in radio communication networks 使用带有两个天线的移动收发站来减少无线电通信网络中的干扰
Pub Date : 2011-09-01 DOI: 10.1109/ICAWST.2011.6163106
A. Dynich, Hongyu Wang
This paper considers the possibility of improving the interference pattern in mobile radio communication networks by use of mobile transceiving stations with two antennas and two delay lines. Each of delay lines is installed in reception path of antenna that ensures the constructive interference for useful signal and destructive interference for disturbance signal. Such constructive suggestion leads to amplification of useful signal and to attenuation of almost all other signals received by mobile station in owing to reflection from macro obstacles. This method permits the possibility of utilization of these kind mobile stations not only to face the interference problem but also for simultaneous transceiving the signal by several mobile stations.
本文考虑了采用双天线双延迟线的移动收发站来改善移动无线通信网络中干扰方向图的可能性。每条延迟线都安装在天线的接收路径上,保证了对有用信号的建设性干扰和对干扰信号的破坏性干扰。这种建设性的建议会放大有用的信号,而由于宏观障碍物的反射,移动台接收到的几乎所有其他信号都会衰减。这种方法使得利用这类移动站不仅可以面对干扰问题,而且可以由多个移动站同时收发信号。
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引用次数: 1
Information disclosure incentives in tourism information systems 旅游信息系统中的信息披露激励机制
Pub Date : 2011-09-01 DOI: 10.1109/ICAWST.2011.6163112
Koki Murakata, T. Matsuo
There are a lot of tourism support systems to help travelers make a reservation of hotels and ticket. Also, they have normally a rating function to evaluate the services regarding the quality, price, and several other items. In this paper, we propose an evaluation method to make service providers disclose their information. For example, when users make a hotel room reservation on the website, they see some detailed information of the hotel and compare the multiple hotels on the attributes. However, most of users compare the hotel on a few information because the quantities of disclosed information are difference between hotels. Some hotels may be passive to disclose their information, otherwise they show the only photo that is looking good. In the hotel reservation website like agoda.com, hotels.com and others, travelers can give their opinion after staying there. However, the provided information may not be enough for travelers who are choosing a hotel. In this paper, we discuss the evaluation system in hotel reservation website. Then, to avoid asymmetric and incomplete information to the travelers, we design a mechanism of hotel evaluation. After that, we give some experiments to show the rate of incentives to make a reservation in our proposed mechanism.
有很多旅游支持系统可以帮助旅行者预订酒店和机票。此外,它们通常有一个评级功能来评估服务的质量、价格和其他几个项目。在本文中,我们提出了一种评估方法,使服务提供商的信息公开。例如,当用户在网站上预订酒店房间时,他们会看到酒店的一些详细信息,并在属性上比较多个酒店。然而,由于酒店之间披露的信息数量不同,大多数用户对酒店进行比较的信息较少。有些酒店可能会被动地披露他们的信息,否则他们会展示唯一看起来不错的照片。在agoda.com、hotels.com等酒店预订网站上,游客可以在入住后给出自己的意见。然而,所提供的信息可能对正在选择酒店的旅行者来说是不够的。本文对酒店预订网站的评价系统进行了探讨。然后,为了避免给旅游者提供不对称和不完整的信息,我们设计了一种酒店评价机制。在此基础上,通过实验验证了所提出的预订机制的激励率。
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引用次数: 1
Research on the traffic control and organization coordinate applications of reversible lanes 可逆车道交通控制与组织协调应用研究
Pub Date : 2011-09-01 DOI: 10.1109/ICAWST.2011.6163099
Wei Cheng, Xuemin Li, Songnan Liu
Paper introduces the type of reversible lanes technology briefly and discusses the fundamentals of reversible lanes technology in two aspects: road conditions and traffic flow characteristics. Based on the internal relationship between reversible lanes and traffic control, also puts forward the framework for reversible lanes and intersection signal control linkage control optimization, mainly researches the traffic organization and intersection organization method of reversible lanes in the following aspects: road situation assessment; signal phase and sequence designing; optimized design of the cycle, green time, splits and offsets for the linkage control. In addition, based on theoretical research, this thesis studies the traffic organization and intersection organization method of reversible lanes in depth. Finally, stronger practicability and accuracy of the methods proposed is verified through the simulation of Kunming transportation network.
本文简要介绍了可逆车道技术的类型,并从道路条件和交通流特性两个方面论述了可逆车道技术的基本原理。基于可逆车道与交通控制的内在关系,提出了可逆车道与交叉口信号控制联动控制优化的框架,主要从以下几个方面研究了可逆车道的交通组织和交叉口组织方法:路况评估;信号相位与序列设计;对连杆控制的周期、绿灯时间、分岔和偏移量进行了优化设计。此外,本文在理论研究的基础上,对可逆车道的交通组织和交叉口组织方法进行了深入的研究。最后,通过对昆明交通网络的仿真,验证了所提方法较强的实用性和准确性。
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引用次数: 1
期刊
2011 3rd International Conference on Awareness Science and Technology (iCAST)
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