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Evolution of the Varrier~TM Autostereoscopic VR Display: 2001-2007

机译：VARRIER〜TM AutoTRESTERECHIC VR显示器的演变：2001-2007

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Autostereoscopy (AS) is an increasingly valuable virtual reality (VR) display technology; indeed, the IS&T / SPIE Electronic Imaging Conference has seen rapid growth in the number and scope of AS papers in recent years. The first Varrier paper appeared at SPIE in 2001, and much has changed since then. What began as a single-panel prototype has grown to a full scale VR autostereo display system, with a variety of form factors, features, and options. Varrier is a barrier strip AS display system that qualifies as a true VR display, offering a head-tracked ortho-stereo first person interactive VR experience without the need for glasses or other gear to be worn by the user. Since Varrier's inception, new algorithmic and systemic developments have produced performance and quality improvements. Visual acuity has increased by a factor of 1.4X with new fine-resolution barrier strip linescreens and computational algorithms that support variable sub-pixel resolutions. Performance has improved by a factor of 3X using a new GPU shader-based sub-pixel algorithm that accomplishes in one pass what previously required three passes. The Varrier modulation algorithm that began as a computationally expensive task is now no more costly than conventional stereoscopic rendering. Interactive rendering rates of 60 Hz are now possible in Varrier for complex scene geometry on the order of 100K vertices, and performance is GPU bound, hence it is expected to continue improving with graphics card enhancements. Head tracking is accomplished with a neural network camera-based tracking system developed at EVL for Varrier. Multiple cameras capture subjects at 120 Hz and the neural network recognizes known faces from a database and tracks them in 3D space. New faces are trained and added to the database in a matter of minutes, and accuracy is comparable to commercially available tracking systems. Varrier supports a variety of VR applications, including visualization of polygonal, ray traced, and volume rendered data. Both AS movie playback of pre-rendered stereo frames and interactive manipulation of 3D models are supported. Local as well as distributed computation is employed in various applications. Long-distance collaboration has been demonstrated with AS teleconferencing in Varrier. A variety of application domains such as art, medicine, and science have been exhibited, and Varrier exists in a variety of form factors from large tiled installations to smaller desktop forms to fit a variety of space and budget constraints. Newest developments include the use of a dynamic parallax barrier that affords features that were inconceivable with a static barrier.
机译：自动立体检查（AS）是一个越来越有价值的虚拟现实（VR）显示技术;实际上，IS＆T / SPIE电子成像会议在近年来论文的数量和范围内迅速增长。第一个Varrier纸在2001年出现在SPIE，从那时起很多就发生了变化。作为单面板原型的开始已成为全面规模VR AutoStereo显示系统，具有各种形式因素，功能和选项。 Varrier是一个障碍条带，作为显示系统，符合真正的VR显示器，提供了一个头部跟踪的Ortho-Stereo第一人称交互式VR体验，而无需眼镜或其他齿轮。由于Varrier的开始，新的算法和全身开发产生了性能和质量改进。随着新的精细分辨率屏障条线路和计算可变子像素分辨率的新型精细分辨率阻挡条线路，视力增加了1.4倍。使用基于GPU着色器的子像素算法，性能提高了3倍，通过基于新的GPU着色器的子像素算法在一个通过中完成了先前所需的三次通行证。作为计算昂贵的任务开始的Varrier调制算法现在不比传统的立体渲染更昂贵。现在，60 Hz的交互式渲染速率在Varrier中可以在100k顶点的大约上进行复杂场景几何，并且性能是GPU绑定，因此预计将继续使用显卡增强改进。头部跟踪是通过在EVL的基于神经网络相机的跟踪系统完成，用于Varrier。在120Hz和神经网络处的多个摄像机捕获对象识别来自数据库的已知面，并在3D空间中跟踪它们。在几分钟内培训并在数据库中培训并将新的面部添加到数据库中，并且准确性与市售的跟踪系统相当。 Varrier支持各种VR应用程序，包括多边形，射线跟踪的可视化和体积呈现数据。作为电影播放的电影播放，支持预先呈现的立体声帧和3D模型的交互式操作。在各种应用中使用本地以及分布式计算。作为Varrier中的电话会议证明了长途协作。已经展现了各种应用领域，如艺术，医学和科学，并且Varrier存在于来自大型瓷砖装置的各种形式因素，以较小的桌面形式，以适应各种空间和预算限制。最新的发展包括使用动态视差屏障，该屏障提供了具有静态屏障不可思议的特征。

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