以重庆港集装箱码头为实例,利用虚拟现实的方法和技术,混合使用Auto CAD、3D s MAX、Photoshop、Prem iere的技术集成,开发出了集装箱码头的三维可视化仿真系统。介绍了系统的设计方法,系统的构成和工作流程,并对系统中用到的关键技术...以重庆港集装箱码头为实例,利用虚拟现实的方法和技术,混合使用Auto CAD、3D s MAX、Photoshop、Prem iere的技术集成,开发出了集装箱码头的三维可视化仿真系统。介绍了系统的设计方法,系统的构成和工作流程,并对系统中用到的关键技术进行了分析研究,系统虚拟的动画模拟可以为集装箱码头的运营管理提供决策依据。展开更多
This article is an introduction to recent development of optimization theory on set functions,the nonsubmodular optimization,which contains two interesting results,DS(difference of submodular)functions decomposition a...This article is an introduction to recent development of optimization theory on set functions,the nonsubmodular optimization,which contains two interesting results,DS(difference of submodular)functions decomposition and sandwich theorem,together with iterated sandwich method and data-dependent approximation.Some potential research problems will be mentioned.展开更多
文摘以重庆港集装箱码头为实例,利用虚拟现实的方法和技术,混合使用Auto CAD、3D s MAX、Photoshop、Prem iere的技术集成,开发出了集装箱码头的三维可视化仿真系统。介绍了系统的设计方法,系统的构成和工作流程,并对系统中用到的关键技术进行了分析研究,系统虚拟的动画模拟可以为集装箱码头的运营管理提供决策依据。
基金This research is supported by the National Natural Science Foundation of China(Nos.11771013,11531011)National Science Foundation(No.1747818).
文摘This article is an introduction to recent development of optimization theory on set functions,the nonsubmodular optimization,which contains two interesting results,DS(difference of submodular)functions decomposition and sandwich theorem,together with iterated sandwich method and data-dependent approximation.Some potential research problems will be mentioned.