Designable visual markers
Designable visual markers
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DOI：
10.1145/1518701.1518990
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发表时间：
2009-04
期刊：
影响因子：
--
通讯作者：
Enrico Costanza;Jeffrey Huang
中科院分区：
文献类型：
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作者：
Enrico Costanza;Jeffrey Huang
视觉标记是设计成易于被机器识别的图形符号。它们传统上用于跟踪货物，但越来越多的兴趣将其应用于移动的人机交互。通过手机摄像头扫描视觉标记，用户可以检索本地化信息并访问移动的服务。当前视觉标记系统中的一个错失的机会是标记本身不能被视觉设计，它们对人类没有表达力，因此在被扫描之前不能传达信息。本文概述了d-touch，一个开源系统，允许用户创建自己的标记，控制他们的审美品质。该系统在移动的手机和台式电脑上实时运行。为了提高计算效率，d-touch在符号中的暗区域和亮区域的关系方面对标记的设计施加约束。我们报告的用户研究中，对新手用户产生3和27之间的有效和富有表现力的标记在一个小时内被引入到系统中，展示了它的灵活性和易用性。
Visual markers are graphic symbols designed to be easily recognised by machines. They are traditionally used to track goods, but there is increasing interest in their application to mobile HCI. By scanning a visual marker through a camera phone users can retrieve localised information and access mobile services. One missed opportunity in current visual marker systems is that the markers themselves cannot be visually designed, they are not expressive to humans, and thus fail to convey information before being scanned. This paper provides an overview of d-touch, an open source system that allows users to create their own markers, controlling their aesthetic qualities. The system runs in real-time on mobile phones and desktop computers. To increase computational efficiency d-touch imposes constraints on the design of the markers in terms of the relationship of dark and light regions in the symbols. We report a user study in which pairs of novice users generated between 3 and 27 valid and expressive markers within one hour of being introduced to the system, demonstrating its flexibility and ease of use.