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2006 IEEE Symposium on Virtual Environments, Human-Computer Interfaces and Measurement Systems最新文献

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The Implementation of an Automatic Measurement Station for the Determination of the Calibration Intervals for a DMM DMM校准间隔自动测量站的实现
C. D. Capua, D. Grillo, E. Romeo
In the present work the authors present a procedure for the determination of the optimal calibration intervals of a measurement instrument according to the reference Standard. Generally speaking, the goal of a calibration process is to reduce out-of tolerance occurrences to an acceptable level with respect to the desired quality target. The approach is based on the monitoring of the capability of an instrument in making measurements in conformity with the accuracy declared in the datasheet provided by the manufacturer. Periodic actions are required for the metrological confirmation, effected in a laboratory of tests, using for this purpose a reference instrument. In this paper is presented the implementation of an automatic station of measurement which performs an original procedure able to forecast the time to wait for the next calibration process
在本工作中,作者提出了一种根据参考标准确定测量仪器最佳校准间隔的方法。一般来说,校准过程的目标是将超出公差的情况减少到相对于期望的质量目标可接受的水平。该方法是基于监测仪器进行测量的能力,以符合制造商提供的数据表中声明的精度。在测试实验室中使用参考仪器进行计量确认时,需要进行周期性的操作。本文介绍了一种自动测量站的实现方法,该自动测量站执行一个原始程序,能够预测等待下一个校准过程的时间
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引用次数: 11
Enhancing Remote Walkthrough for E-learning Environments on Mobile Devices over Heterogeneous Networks 异构网络上移动设备上远程学习环境的改进
A. Boukerche, R. Pazzi
With the growth of the Internet and availability of high bandwidth connections to domestic users, it became possible to deploy remote navigation within virtual environments over the Internet. For instance, virtual museum walkthrough, virtual mall, gaming, training, monitoring, and e-learning, just to name a few. We have also seen a new trend towards wireless networks and the use of mobile devices with wireless communication capabilities. Specially, e-learning environments can benefit from remote exploration of virtual environments over wireless networks in order to provide users with rich 3D content such as virtual laboratories and remote visits where users can interact with the 3D e-learning system using mobile devices such as PDAs, cellphones, or laptops. However, the characteristics of wireless channels pose significant problems to real-time interactive multimedia applications. Wireless bandwidth is always changing and the communication channel is highly susceptible to error. In this paper, we focus on the design of a remote walkthrough within realistic virtual environments over heterogeneous networks for mobile devices. We propose a real-time system that deals with the acquisition or remote geometry rendering, compression, packetization and transmission of images, which serve as input to an image-based rendering technique for fast creation of new views on the mobile client device. The objective is to contribute with a solution for remote walkthrough over wireless networks, while guaranteeing a good image quality and navigation at acceptable frame rates on thin client devices. Simulation experiments show that our design has low frame rate fluctuation, which is important in order to guarantee stable image quality
随着因特网的发展和对国内用户的高带宽连接的可用性,通过因特网在虚拟环境中部署远程导航成为可能。例如,虚拟博物馆漫游,虚拟商场,游戏,培训,监控和电子学习,仅举几例。我们还看到了无线网络和使用具有无线通信功能的移动设备的新趋势。特别是,电子学习环境可以受益于通过无线网络对虚拟环境的远程探索,以便为用户提供丰富的3D内容,例如虚拟实验室和远程访问,用户可以使用pda、手机或笔记本电脑等移动设备与3D电子学习系统进行交互。然而,无线信道的特性给实时交互多媒体应用带来了很大的问题。无线带宽是不断变化的,通信信道极易受到误差的影响。在本文中,我们着重于在移动设备异构网络上的现实虚拟环境中设计远程演练。我们提出了一个实时系统,该系统处理图像的采集或远程几何渲染、压缩、打包和传输,作为在移动客户端设备上快速创建新视图的基于图像的渲染技术的输入。目标是为无线网络上的远程演练提供解决方案,同时保证在瘦客户机设备上以可接受的帧速率获得良好的图像质量和导航。仿真实验表明,我们的设计具有较低的帧率波动,这对于保证稳定的图像质量至关重要
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引用次数: 4
Haptic Aided Soft-touch Multi-material Product Design 触觉辅助软触多材料产品设计
Zhan Gao, Yonghua Chen, L. Lian
In recent years, thermoplastic elastomers (TPE) based multi-material molded products have found wide spread uses in various industries and every-day life. Today's computer-aided design (CAD) tools are very cumbersome in designing multi-material parts. This paper proposes a top-down design methodology to facilitate the design of multi-material products. Haptic technology is employed to enhance efficiency and intuitiveness of the designing process. Further more, some product properties such as stiffness can be readily evaluated in a haptic system. The proposed methodology is illustrated through a case study: the design of a toothbrush
近年来,基于热塑性弹性体(TPE)的多材料模塑制品在各个工业和日常生活中得到了广泛的应用。今天的计算机辅助设计(CAD)工具在设计多材料零件时非常麻烦。本文提出了一种自顶向下的设计方法,以方便多材料产品的设计。采用触觉技术,提高了设计过程的效率和直观性。此外,一些产品特性,如刚度,可以很容易地在触觉系统中进行评估。提出的方法是通过一个案例研究说明:牙刷的设计
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引用次数: 5
Designing Middleware System for Media Contents 媒体内容中间件系统设计
Takuya Yamauchi
This paper attempts to consider future networks especially ad-hoc and wearable ones for media contents and game development. The study examined the consideration and the implementation of multi-agent system to support commercial or open source software for sound generating and computer graphics in personal area network (PAN). The multi-agent system maintains context information of sensors and users, and provides the event for contents application. In order to consider sensor network and global network, the ad-hoc network and peer-to-peer network are expected to use for organizing PAN. To implement the service on PAN, the widget integration framework (WIF), ontology and UML based context modeling approaches are considered and reported. (Balakrishman, et al.) On the other hand, we consider the Web service and possibility of future media contents in PAN. The research on wireless communication expects that next generation network consists of information appliances, sensors and wireless devices in PAN. Wearable computing has been researched for taking location and body information from small computers, and the efficient design of mobile HCI is emerging. Many papers report these technologies will be used for media art contents and game development. The digital contents will use these sensor s and mobile device in PAN. When the players join the game space with wearable computer in PAN, the mobile agent establishes the self-organized network in heterogeneous devices. In this paper, we consider the novel framework for media contents by hybrid ambient network
本文试图考虑未来的网络,特别是用于媒体内容和游戏开发的ad-hoc和可穿戴网络。该研究研究了在个人区域网络(PAN)中考虑和实施多代理系统,以支持商业或开放源码的声音生成和计算机图形软件。多智能体系统维护传感器和用户的上下文信息,并为内容应用提供事件。考虑到传感器网络和全局网络,期望采用自组织网络和点对点网络来组织PAN。为了在PAN上实现服务,考虑并报告了小部件集成框架(WIF)、本体和基于UML的上下文建模方法。(Balakrishman, et al.)另一方面,我们考虑了PAN的Web服务和未来媒体内容的可能性。无线通信的研究期望下一代网络由PAN中的信息设备、传感器和无线设备组成。从小型计算机中获取位置和身体信息的可穿戴计算已经成为研究方向,高效的移动HCI设计正在兴起。许多论文报道这些技术将用于媒体艺术内容和游戏开发。数字内容将使用这些传感器和PAN中的移动设备。当玩家在PAN中使用可穿戴计算机加入游戏空间时,移动代理在异构设备中建立自组织网络。本文提出了一种基于混合环境网络的新型媒体内容框架
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引用次数: 2
Apparatus Based Experimental Study of Physics Phenomena 基于仪器的物理现象实验研究
T. Pachidis, K. Tarchanidis, J. Lygouras
Basic measurement concepts of a new apparatus for the experimental study of physics phenomena based on laser modules and detectors are presented in this paper. Construction details of the proposed apparatus are also described. Measurement time base is 100 musec (depending on the microprocessor used) and in each cycle, data coming from eight photo-detectors are stored. When an experiment is finished or corrupted by a user, data are transferred in a personal computer and with the aid of a software application (depending on the experiments) final values of variables are calculated. The results as well as graphical representations of them are displayed on the screen. The proposed apparatus can be used to study straight or circular movements with controlled friction or without friction, collisions, gravitation phenomena, to measure acceleration of gravity (g), reflection and refraction phenomena as well as to permit in a pupil or student to be experimented with digital gates
本文介绍了一种基于激光模块和探测器的新型物理现象实验研究装置的基本测量概念。还描述了所建议装置的构造细节。测量时间基础为100毫秒(取决于所使用的微处理器),在每个周期中,来自8个光电探测器的数据被存储。当实验结束或被用户破坏时,数据被传输到个人计算机中,并借助软件应用程序(取决于实验)计算变量的最终值。结果及其图形表示将显示在屏幕上。该装置可用于研究有控制摩擦或无摩擦的直线或圆周运动,碰撞,重力现象,测量重力加速度(g),反射和折射现象,以及允许小学生或学生进行数字门实验
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引用次数: 0
High-Precision Geometric Modeling of 3D Artifacts for Virtual Restoration 面向虚拟修复的三维工件高精度几何建模
J. Doi, K. Shimizu, W. Sato, Shinji Morishita
This paper proposes a practical, topologically robust and ranging error resistive shape modeling procedure that approximates real physical 3D objects, such as archeological or cultural heritage artifacts, with the matrix-formatted organized meshing, enabling high-density scanning for high-resolution modeling and the successive 3D shape manipulation for restoration and modification. A face array listing (topology), which defines the vertex (mesh point) connectivity and the shape of the mesh, is pre-assigned to meet the desired scanning. Stable meshing, and hence, an accurate approximation, free from the shape ambiguity unavoidable in the widely used "retrieving topology from geometry" modeling procedures based on, for example, the Delaunay tessellations, is then accomplished. This proposal is practicable for all kinds of objects, automating the current manual, time-consuming reconstruction procedure, reducing rework requirement modeling and produce a versatile successive 3D shape manipulation
本文提出了一种实用的、拓扑鲁棒性和测距误差抵抗形状建模方法,该方法近似于真实的物理三维物体,如考古或文化遗产文物,采用矩阵格式的有组织网格,实现高密度扫描的高分辨率建模和连续的三维形状操作的恢复和修改。预先分配一个面阵列列表(拓扑),它定义顶点(网格点)的连通性和网格的形状,以满足所需的扫描。稳定的网格划分,因此,一个准确的近似,避免了在广泛使用的“从几何中检索拓扑”建模过程中不可避免的形状模糊,例如,基于Delaunay镶嵌,然后完成。该方法适用于各种类型的物体,自动化了当前手工、耗时的重建过程,减少了建模的返工要求,并产生了通用的连续三维形状操作
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引用次数: 3
Modeling of Virtually Manufactured Components with a Multiphase Perfect Material 基于多相完美材料的虚拟制造部件建模
Ke-Zhang Chen, Feng Wang, Xin-An Feng
A component, which has an optimized combination of different materials (including homogeneous materials and different types of heterogeneous materials) in its different portions for a specific application, is considered as the component made of a multiphase perfect material. To manufacture such components, a hybrid layered manufacturing technology was proposed and a corresponding virtual manufacturing system has been created for its further research. The component made by a virtual manufacturing system is not a physical one but is a virtual one, i.e. a set of geometric and material information of the virtually manufactured component which should be recorded into a model in a specified data format in the course of virtual manufacturing. Such a model can be used to measure or evaluate the errors of the virtual manufacturing for its further optimization. This paper develops a modeling method and a corresponding system for the components virtually manufactured
针对特定应用,在其不同部分具有不同材料(包括均质材料和不同类型的非均质材料)的优化组合的组件,被认为是由多相完美材料制成的组件。为了制造此类部件,提出了一种混合分层制造技术,并建立了相应的虚拟制造系统。虚拟制造系统制造的构件不是物理构件,而是虚拟构件,即在虚拟制造过程中以规定的数据格式记录在模型中的虚拟制造构件的一组几何信息和材料信息。该模型可用于测量或评估虚拟制造的误差,为进一步优化虚拟制造提供依据。本文开发了一种虚拟制造部件的建模方法和相应的系统
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引用次数: 0
An Open-source Software Architecture for Immersive Medical Imaging 一种用于沉浸式医学成像的开源软件架构
A. Coronato, G. Pietro, I. Marra
This paper presents an open-source software architecture for immersive medical imaging applications. In particular, the software system integrates open-source and cross-platform libraries for medical applications (VTK, ITK) with 3D graphic and virtual reality libraries (OpenSceneGraph, Chromium, VR Juggler) in order to efficiently support both operators and researchers in the medical field. In addition to this, the software system has been enhanced by pervasive computing characteristics like context-awareness and transparent access that enable mobile users to interact with the virtual environment, in a spontaneous and transparent way, with their own mobile devices
本文提出了一种用于沉浸式医学成像应用的开源软件架构。特别是,该软件系统将用于医疗应用的开源和跨平台库(VTK, ITK)与3D图形和虚拟现实库(OpenSceneGraph, Chromium, VR Juggler)集成在一起,以便有效地支持医疗领域的运营商和研究人员。除此之外,软件系统还通过诸如上下文感知和透明访问等普及计算特性得到了增强,这些特性使移动用户能够用自己的移动设备以自发和透明的方式与虚拟环境进行交互
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引用次数: 11
Design and Implementation of Monitoring Software Modules for Optical Protection Systems 光防护系统监控软件模块的设计与实现
Ying-Wen Bai, Chin-Tang Chen
Because the optical network technique develops continuously, the nature of the test equipment used in the network will be more and more important, the remote monitor system is gaining importance for the operation of optical protection systems provide management and control of optical networks. In addition to the hardware module, the monitoring software module needed to be redesigned for automatically monitoring a group of optical modules of the hierarchy type. Our design provides a better function for the old product which can only monitor single type optical device, can't be reused, integrated and maintainable. Our design uses the network management (SNMP) interface which carries out remote supervision and use the RS232 interfaces to carry on local supervision. In addition, our design provides convenient in-time interface with the operational database functions, such as automatically the database data backup, security checking for data access and the hierarchical management scheme. Hence, our design can supervise and monitor a huge optical network system with 2500 objects, which will be continuously tested and the state of the operation situation recorded
随着光网络技术的不断发展,用于网络的测试设备的性质将越来越重要,远程监控系统为光保护系统的运行提供光网络的管理和控制变得越来越重要。除了硬件模块外,还需要重新设计监控软件模块,实现对一组层次型光模块的自动监控。我们的设计为旧产品只能监控单一类型的光学器件,不能重复使用、集成和可维护性提供了更好的功能。本设计采用网络管理(SNMP)接口进行远程监控,采用RS232接口进行本地监控。此外,我们的设计还提供了方便的实时接口与数据库的操作功能,如数据库数据的自动备份、数据访问的安全检查和分层管理方案。因此,我们的设计可以对一个拥有2500个对象的庞大的光网络系统进行监督和监控,并对其进行持续的测试和运行情况的记录
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引用次数: 1
A Dynamic Instrumentation Framework for Remote Operation of PC-Connected Devices 用于pc连接设备远程操作的动态仪表框架
Å. Sand, M. Stevens, G. Parkin
The authors present a dynamic instrumentation framework for remote operation of PC-connected devices. The framework is dynamic in a way such that hardware information can be downloaded and added to the system at runtime. The hardware information consists of high-level hardware drivers and the graphical user interface (GUI) components to communicate with them. The solution makes it easy to maintain the instrumentation system, and the same system may be used to operate all PC-connected devices. The system is well suited for Internet-enabled calibration
作者提出了一个动态仪表框架,用于pc连接设备的远程操作。该框架在某种程度上是动态的,因此硬件信息可以在运行时下载并添加到系统中。硬件信息包括高级硬件驱动程序和用于与它们通信的图形用户界面(GUI)组件。该解决方案易于维护仪器系统,并且同一系统可以用于操作所有pc连接的设备。该系统非常适合互联网校准
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引用次数: 5
期刊
2006 IEEE Symposium on Virtual Environments, Human-Computer Interfaces and Measurement Systems
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