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Marker-Less Tracking for Multi-layer Authoring in AR Books

机译:AR书中多层创作的标记减少跟踪

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摘要

An Augmented Reality (AR) book is an application that applies AR technologies to physical books for providing a new experience to users. In this paper, we propose a new marker-less tracking method for the AR book. The main goal of the tracker is not only to recognize many pages, but also to compute 6 DOF camera pose. As a result, we can augment different virtual contents according to the corresponding page. For this purpose, we use a multi-core programming approach that separates the page recognition module from the tracking module. In the page recognition module, highly distinctive Scale Invariant Features Transform (SIFT) features are used. In the tracking module, a coarse-to-fine approach is exploited for fast frame-to-frame matching. Our tracker provides more than 30 frames per second. In addition to the tracker, we explain multi-layer based data structure for maintaining the AR book. A GUI-based authoring tool is also shown to validate feasibility of the tracker and data structures. The proposed algorithm would be helpful to create various AR applications that require multiple planes tracking.
机译:增强现实(AR)书籍是将AR技术应用于实体书籍的应用程序,旨在为用户提供新的体验。在本文中,我们为AR书提出了一种新的无标记跟踪方法。跟踪器的主要目标不仅是要识别许多页面,而且还要计算6自由度相机的姿态。结果,我们可以根据相应的页面扩充不同的虚拟内容。为此,我们使用了一种多核编程方法,该方法将页面识别模块与跟踪模块分开。在页面识别模块中,使用了非常独特的比例不变特征变换(SIFT)功能。在跟踪模块中,采用了从粗到精的方法来进行快速的帧到帧匹配。我们的跟踪器每秒提供30帧以上。除了跟踪器外,我们还将介绍用于维护AR书的基于多层的数据结构。还显示了基于GUI的创作工具,以验证跟踪器和数据结构的可行性。所提出的算法将有助于创建需要多个平面跟踪的各种AR应用程序。

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