Spatially augmented reality
Spatially augmented reality
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DOI：
10.1201/9781439863992-13
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发表时间：
1999-11
影响因子：
3
通讯作者：
R. Raskar;G. Welch;H. Fuchs
中科院分区：
文献类型：
--
作者：
R. Raskar;G. Welch;H. Fuchs
为了创建虚拟对象与真实的世界共存的有效幻觉，透视的基于HMD的增强现实技术用虚拟对象的图像补充用户的视图。我们在这里介绍一个新的范例，空间增强现实（SAR），其中虚拟对象直接呈现在用户的物理空间内或上。SAR的一个主要优点是用户不需要佩戴头戴式显示器。相反，通过使用空间显示器，虚拟对象的宽视场和可能的高分辨率图像可以直接集成到环境中。例如，可以通过使用数字光投影仪将2D/3D图像“绘制”到真实的表面上，或者通过使用内置平板显示器来实现虚拟对象。在本文中，我们提出了在我们的实现中使用的渲染方法，并讨论了从根本上不同的可见工件，跟踪器测量中的错误的结果。最后，我们推测SAR技术如何与透视AR相结合，以提供更引人注目的AR体验。
To create an effective illusion of virtual objects coexisting with the real world, see-through HMD-based Augmented Reality techniques supplement the user's view with images of virtual objects. We introduce here a new paradigm, Spatially Augmented Reality (SAR), where virtual objects are rendered directly within or on the user's physical space. A key benefit of SAR is that the user does not need to wear a head-mounted display. Instead, with the use of spatial displays, wide field of view and possibly high-resolution images of virtual objects can be integrated directly into the environment. For example, the virtual objects can be realized by using digital light projectors to "paint" 2D/3D imagery onto real surfaces, or by using built-in flat panel displays. In this paper we present the rendering method used in our implementation and discuss the fundamentally different visible artifacts that arise as a result of errors in tracker measurements. Finally, we speculate about how SAR techniques might be combined with see-through AR to provide an even more compelling AR experience.