User-Driven View Management for Wearable Augmented Reality Systems in the Cultural Heritage Domain

Giuseppe Caggianese, Luigi Gallo, Pietro Neroni
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引用次数: 5

Abstract

The recent availability of low cost wearable augmented reality (WAR) technologies, is leveraging the design of applications in many different domains in order to support users in their daily activities. For most of these domains, the large amount of information displayable on top of the reality, directly in the user's field of view, represents an important challenge for designers. In this paper we present a view management technique for placing touristic/cultural information, in the form of points of interest (POIs), in an AR system that works in the absence of a priori knowledge of the real environment. The user-driven view management technique, designed as a remote service, improves representation and displacement of the digital information each time the user manifests an interest in a particular area of the real space. The proposed approach includes a layout algorithm, which exploits the user's local position and her/his point of view direction, to correctly set the POI height in the user's view avoiding overlapping and cluttering, together with an adaptive rendering method, using information about the brightness of the area, that computes the visual appearance parameters of each virtual POI in order to improve its readability over the background.
文化遗产领域可穿戴增强现实系统的用户驱动视图管理
最近出现的低成本可穿戴增强现实(WAR)技术正在利用许多不同领域的应用程序设计,以支持用户的日常活动。对于大多数这些领域,大量的信息可以显示在现实之上,直接在用户的视野中,这对设计师来说是一个重要的挑战。在本文中,我们提出了一种视图管理技术,用于将旅游/文化信息以兴趣点(poi)的形式放置在AR系统中,该系统在缺乏对真实环境的先验知识的情况下工作。用户驱动的视图管理技术被设计为一种远程服务,每次用户对真实空间的特定区域表现出兴趣时,都可以改善数字信息的表示和位移。该方法包括一种布局算法,利用用户的局部位置和视角方向,正确设置用户视图中的POI高度,避免重叠和混乱;以及一种自适应渲染方法,利用区域亮度信息,计算每个虚拟POI的视觉外观参数,以提高其在背景上的可读性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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