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11. 发明授权

US07646394B1 System and method for operating in a virtual environment 有权
标题翻译：在虚拟环境中运行的系统和方法
公开(公告)号：US07646394B1
公开(公告)日：2010-01-12
申请号：US11075354
申请日：2005-03-07
申请人： Howard Neely, III , Jason Fox , Mathias Kolsch , Matt Shomphe , Jason Jarald , Mike Daily
发明人： Howard Neely, III , Jason Fox , Mathias Kolsch , Matt Shomphe , Jason Jarald , Mike Daily
IPC分类号： G09G5/00 , G06T15/00 , G06F3/033
CPC分类号： G06F3/012 , G06F3/011 , G06F3/013 , G06F3/017 , G06F3/04815 , G06F3/04842
摘要： The present invention relates to a system, method and computer program product for enabling user interaction with objects in a virtual environment independently of apparent virtual viewpoint altitude, by non-linearly scaling the virtual actuator. In doing so, the system receives a virtual-viewpoint position and a virtual actuator position from a virtual environment processing subsystem, and a real-viewpoint position and a real-actuator position from a real-world environment tracking subsystem. An xy-scale factor is then calculated based on the virtual-viewpoint position. A non-linear mapping is thereafter calculated between a real dataset and a virtual dataset based on the xy-scale-factor. The real dataset comprises the real-actuator position and the real-viewpoint position in the real-world environment, and the virtual dataset comprises the virtual-actuator position and the virtual-viewpoint position in the virtual environment.
摘要翻译：本发明涉及一种系统，方法和计算机程序产品，通过非线性缩放虚拟致动器，使得用户能够与虚拟环境中的对象独立于视在虚拟视点高度来进行交互。在这样做时，系统从虚拟环境处理子系统接收虚拟视点位置和虚拟致动器位置，以及来自真实环境跟踪子系统的实时视点位置和实际执行器位置。然后基于虚拟视点位置来计算xy比例因子。此后，在真实数据集和基于xy比例因子的虚拟数据集之间计算非线性映射。实际数据集包括实际环境中的实际执行器位置和实际视点位置，虚拟数据集包括虚拟环境中的虚拟执行机构位置和虚拟视点位置。

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