An Initialization Tool for Installing Visual Markers in Wearable Augmented Reality
An Initialization Tool for Installing Visual Markers in Wearable Augmented Reality
复制标题
用于在可穿戴增强现实中安装视觉标记的初始化工具
DOI：
10.1007/11941354_24
复制
发表时间：
2006
期刊：
影响因子：
--
通讯作者：
N. Yokoya
中科院分区：
文献类型：
--
作者：
Y. Nakazato;M. Kanbara;N. Yokoya
为了用可穿戴计算机实现增强现实(AR)系统，需要精确测量用户的姿势(位置和方向)。AR中测量用户姿势的主要方法之一是基于视觉标记的方法，该方法通过识别粘贴在天花板或墙壁上的标记来计算用户姿势。该方法预先需要视觉标记的三维姿态信息。然而，在宽阔的环境中校准粘贴在天花板上的视觉标记需要花费很大的成本。提出了一种用于在可穿戴AR中安装视觉标记的初始化工具。通过所提出的工具，管理员可以在广泛的环境中安装可视标记。该工具通过在高分辨率静止相机捕获的图像中识别视觉标记，以高精度校准存在于真实环境中的视觉标记的对准。此外，该工具还帮助管理员使用可穿戴AR系统修复不正确的标记图案。
It is necessary to precisely measure pose (position and orientation) of a user in order to realize an augmented reality (AR) system with a wearable computer. One of major methods for measuring user’s pose in AR is visual marker-based approach which calculates them by recognizing markers pasted up on the ceilings or walls. The method needs 3D pose information of visual markers in advance. However, much cost is necessary to calibrate visual markers pasted up on the ceiling in a wide environment. In this paper, an initialization tool for installing visual markers in wearable AR is proposed. The administrator is assisted in installing visual markers in a wide environment by the proposed tool. The tool calibrates alignment of visual markers which exist in the real environment with high accuracy by recognizing them in the images captured by a high-resolution still camera. Additionally, the tool assists the administrator in repairing the incorrect pattern of marker using a wearable AR system.