虚拟环境为新一代(第四代)人机自然交互系统提供三维可视化交互环境.虚拟景物建模是创建虚拟环境的关键.本文着重研究了虚拟环境建模中的AVR(From Actual Reality to Virtual Reality,即由真实现实到虚拟现实转换)理论、算法及实现技术...虚拟环境为新一代(第四代)人机自然交互系统提供三维可视化交互环境.虚拟景物建模是创建虚拟环境的关键.本文着重研究了虚拟环境建模中的AVR(From Actual Reality to Virtual Reality,即由真实现实到虚拟现实转换)理论、算法及实现技术.在分析、理解虚拟环境建模中的AVR问题性质的基础上,采用计算机视觉和计算机图形学相融合(CV/CG)的技术路线,利用AVR重建技术,直接从视觉获取的真实世界景物几何形状数据中提取出计算机内部统一参数描述模型,并生成真实感的三维景物图像,在虚拟环境中显示,从而实现由真实世界景物形状信息到虚拟环境真实感景物的计算机建模,研究工作具有重要意义和广泛的应用前景.展开更多
This paper presents a reality-virtual fusional campus environment.It is an online 3D platform with some aspects of real information merged together.The whole platform is based on OpenSimulator with detailed geo-models...This paper presents a reality-virtual fusional campus environment.It is an online 3D platform with some aspects of real information merged together.The whole platform is based on OpenSimulator with detailed geo-models to represent the university campus.Some preliminary experiments were done to integrate the realistic information with the virtual campus for making the geo-environment not only with detailed indoor and outdoor models,but also with the real representations of the physical world.The overall motivation is to provide a framework with strong support for reality-virtuality fusional modeling in a collaborative 3D online platform for research purposes.展开更多
文摘虚拟环境为新一代(第四代)人机自然交互系统提供三维可视化交互环境.虚拟景物建模是创建虚拟环境的关键.本文着重研究了虚拟环境建模中的AVR(From Actual Reality to Virtual Reality,即由真实现实到虚拟现实转换)理论、算法及实现技术.在分析、理解虚拟环境建模中的AVR问题性质的基础上,采用计算机视觉和计算机图形学相融合(CV/CG)的技术路线,利用AVR重建技术,直接从视觉获取的真实世界景物几何形状数据中提取出计算机内部统一参数描述模型,并生成真实感的三维景物图像,在虚拟环境中显示,从而实现由真实世界景物形状信息到虚拟环境真实感景物的计算机建模,研究工作具有重要意义和广泛的应用前景.
基金the Direct Grant of the Chinese University of Hong Kong (No.2021064)the National High Technology Research and Development Program of China (No.2010AA122202)
文摘This paper presents a reality-virtual fusional campus environment.It is an online 3D platform with some aspects of real information merged together.The whole platform is based on OpenSimulator with detailed geo-models to represent the university campus.Some preliminary experiments were done to integrate the realistic information with the virtual campus for making the geo-environment not only with detailed indoor and outdoor models,but also with the real representations of the physical world.The overall motivation is to provide a framework with strong support for reality-virtuality fusional modeling in a collaborative 3D online platform for research purposes.
