Mobile AR using pre-captured omnidirectional images

Mobile AR using pre-captured omnidirectional images
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使用预先捕获的全向图像的移动 AR

DOI:
10.1145/2543651.2543666
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发表时间:
2013
期刊:
ACM SIGGRAPH Asia 2013 Symposium on Mobile Graphics and Interactive Applications
影响因子:
--
通讯作者:
and Naokazu Yokoya
and Naokazu Yokoya
中科院分区:
--
文献类型:
--
作者:
Takayuki Akaguma;Fumio Okura;Tomokazu Sato;and Naokazu Yokoya

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在增强现实(AR)领域中,通常在真实的时间中实现几何和光度配准。然而,实时几何配准经常导致未对准(例如,抖动和漂移)。由于移动的设备上的有限资源,还难以在移动的AR系统上实现用于光度配准的现有技术。为了解决这些问题,我们以与传统系统显著不同的方式开发了移动的AR系统。在该系统中,捕获的全向图像和虚拟对象在离线渲染过程中进行几何和光度配准。通过具有真实的世界与预先捕获的图像之间的在线注册的移动终端向用户示出预先渲染的全向AR图像的适当部分。为了研究我们的新框架的有效性移动的增强现实,我们进行了实验,使用原型系统的真实的网站在东大寺,一个著名的世界文化遗产在日本。
In the field of augmented reality (AR), geometric and photometric registration is routinely achieved in real time. However, real-time geometric registration often leads to misalignment (e.g., jitter and drift) due to the error from camera pose estimation. Due to limited resources on mobile devices, it is also difficult to implement state-of-the-art techniques for photometric registration on mobile AR systems. In order to solve these problems, we developed a mobile AR system in a significantly different way from conventional systems. In this system, captured omnidirectional images and virtual objects are registered geometrically and photometrically in an offline rendering process. The appropriate part of the prerendered omnidirectional AR image is shown to a user through a mobile device with online registration between the real world and the pre-captured image. In order to investigate the validity of our new framework for mobile AR, we conducted experiments using the prototype system on a real site in Todai-ji Temple, a famous world cultural heritage site in Japan.
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