共查询到20条相似文献,搜索用时 140 毫秒
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增强现实技术(AR)的兴起,实现了二维与三维物品之间的交互,为各行各业提供了无限的可能.AR家居购物平台,将AR技术所带来的实时交互与沉浸式的体验与互联网购物相结合,实现任意虚拟物品与现实场景交互.根据目前的需求与设计与开发了一款基于AR技术的家居购物系统,平台基于增强现实分布式框架技术,实现移动端增强现实应用;结合家... 相似文献
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近年来,以多点触控和互动投影为代表的基于投影显示的交互展示系统得到广泛应用。这类系统通常使用一台PC来驱动单台投影设备,系统扩展性不强,画面面积不够大,分辨率也不高,不能满足新的应用要求。提出一种基于多路视频捕获的分布式互动投影系统,使用多台PC和多投影无缝拼接技术,提升系统扩展性,增加画面面积和显示分辨率;采用基于自由网格的红外相机标定技术,获得更精确的交互分析结果;利用视频帧之间的连贯性,设计了区域更新机制减少网络带宽需求;设计并实现了分布式交互展示系统开发工具集,开发人员能够使用此工具集将单机版交互展示程序修改为分布式版本。系统已成功应用于2010年上海世博会西藏馆超大尺寸互动地面投影系统等实际项目。 相似文献
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《艺术与设计.数码设计》2021,(6)
技术的发展推动用户环境的转变,人与数字设备的关系扩展至与多元设备的互联,以VR/AR穿戴设备为载体的新兴数字平台在诸多领域中的应用日渐扩大。文章以探索界面与交互设计在此类平台中的创新维度与潜力为目标,从技术和设计的多元角度对VR/AR与传统数字平台交互界面展开比较研究,指出3D界面思维在数字化虚拟空间环境中应用的必要性,进而为界面设计在新兴平台乃至互动影像中的创新实践与探索提供思路。 相似文献
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为实现基于网络的互动教学,采用视频会议技术实现可实时交互的互动课堂和远程实验,使用流媒体播放技术实现视频资料的共享访问.经测试,远程实训平台系统运行稳定,各模块能紧密配合,协调工作,弥补了传统教学平台互动性不足的缺陷.提高了远程教学效率. 相似文献
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研究平台级仿真训练系统,广泛应用于武器装备试验评估领域中,平台级仿真包含实体数多、交互信息复杂.如果有人或硬件在回路,则需实现实时运行.如果采用分布式结构,还需实现时钟同步.为了解决实体间复杂信息交互、强实时运行和时钟同步控制等问题,提出参照HLA的数据交互机制和时间推进机制设计了平台级仿真系统框架,并采用流行的Win-dows+RTX平台开发了仿真系统软件.经时间测试,设计的仿真系统满足微秒级的定时精度和死线(dead-line)要求.仿真表明,设计方法适用于平台级、多仿真实体交互,为强实时推进的分布式实时仿真系统构建提供了参考. 相似文献
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超大屏幕实时交互分布式渲染平台关键技术 总被引:2,自引:0,他引:2
随着社会的发展,实时交互渲染越来越多地应用于类似游戏的虚拟现实中,在系统复杂度增加的同时,对系统硬件也提出了新的要求.实时分布式渲染可以较好地兼顾实时与成本问题,它一方面采用普通PC机降低成本,另一方面提高了系统实时性能和输出分辨率.在综合分析的基础上,设计并实现了一种通用的实时交互分布式渲染平台. 相似文献
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随着现代科技的不断进步,AR技术在非遗文化传承中的应用日益增多,为保护、传承和推广非遗文化做出了积极的贡献。文章通过对非遗AR应用发展趋势分析,在阐述非遗文化珍贵价值的基础上,指出AR应用对非遗文化传承的助推作用,提出强调清晰便捷交互界面、虚实结合交互展示和具身学习交互体验的设计策略,为非遗AR应用设计提供理论依据及路径参考。 相似文献
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文章提出了将BACnet协议与嵌入式技术结合起来的一种智能家居的远程监控系统,以双CPU和实时嵌入式操作系统μC/OS-II为基础,建立了嵌入式开发平台,通过BACnet与Internet的集成,实现了智能家居的远程监控,并给出了系统总体框架,对各部分的硬件与软件进行了设计,该系统具有结构简单、运行稳定可靠、成本低和易于推广等特点。 相似文献
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设计了一个基于SOPC技术的实时数据采集系统.系统采用NiosⅡ软核处理器为主控制器,以嵌入式实时操作系统μC/OS-Ⅱ为软件运行平台,以LWP为以太网通信协议,实现了数据采集系统的以太网传输及控制.整个系统在Cyclone Ⅱ EP2C35开发板上实现并通过验证. 相似文献
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Wei Song Xingquan Cai Yulong Xi Seoungjae Cho Kyungeun Cho 《Multimedia Tools and Applications》2017,76(9):11159-11175
Natural user interfaces (NUIs) provide human computer interaction (HCI) with natural and intuitive operation interfaces, such as using human gestures and voice. We have developed a real-time NUI engine architecture using a web camera as a means of implementing NUI applications. The system captures video via the web camera, implements real-time image processing using graphic processing unit (GPU) programming. This paper describes the architecture of the engine and the real-virtual environment interaction methods, such as foreground segmentation and hand gesture recognition. These methods are implemented using GPU programming in order to realize real-time image processing for HCI. To verify the efficacy of our proposed NUI engine, we utilized it in the development and implementation of several mixed reality games and touch-less operation applications, using the developed NUI engine and the DirectX SDK. Our results confirm that the methods implemented by the engine operate in real time and the interactive operations are intuitive. 相似文献
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Augmented Reality is an emerging technology that seeks to enhance a user’s view by overlaying graphical information. We developed
a prototype AR system geared for medical applications. It is built around a stereoscopic head-mounted display of the video-see-through
variety. The newest generation of this prototype system exhibits high performance on a standard PC platform. Stereoscopic
video images are augmented with medical graphics in real-time at 30 frames per second and with XGA (1024× 768) resolution.
The system provides a compelling AR perception: the graphics appears firmly anchored in the scene—there is no time lag between
video and graphics or any apparent jitter of the graphics. With the head-mounted display, the user has a natural and direct
access to understanding the 3D structure of the scene, based on both stereo and kinetic depth cues. In the present paper,
we describe in detail the architecture and several features of the AR prototype system. Head tracking is accomplished with
a single-camera system, with the dedicated tracker camera placed on the head-mounted display. This configuration is the foundation
of achieving a high-accuracy graphics overlay. We are now exploring the use of the prototype system for a variety of medical
applications. This paper gives an overview over the pre-clinical tests that we have performed for interventional guidance.
Overall, the feedback has been very positive and encouraging, and we are continuing to work towards realizing the clinical
potential of the technology. 相似文献
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In this paper, augmented reality (AR) is used to enhance the visualization and interaction of finite element analysis (FEA) of structures. An integrated simulation system is proposed which acquires input data using sensors and uses AR technology to visualize FEA results in the real world. A number of intuitive interaction methods have been devised and implemented in this system. The user can perform real-time FEA simulation to investigate structural behavior under different loading conditions either through manipulating virtual loads or creating different loading conditions. Exploration of FEA results is enhanced through natural interfaces for manipulating, slicing and clipping the result data. Moreover, the user can modify the FE models of the structures through simplified operations for different purposes, e.g., adding structural members for stiffening and performing local mesh refinement. The modified model can be re-analyzed automatically. A prototype system has been built and a case study has been implemented to demonstrate the innovative interaction methods and evaluate the system performance. 相似文献
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基于PC的大面积地形三维可视化仿真系统研究 总被引:8,自引:0,他引:8
提出了一种基于单处理器PC机的大面积地形三维可视化仿真系统建模、管理和动态调度的实现方法,较好地解决了图像的逼真度和实时性之间的矛盾。同时,为满足不同用户对系统开发的要求,提出了一种把Multigen-ParadigmVega开发平台与OpenGL技术结合使用的方法。并采用分布交互仿真技术,实现该仿真系统与其它仿真系统的互操作。 相似文献