Large screen displays are omnipresent today as a part of infrastructure for presentations and entertainment. Also powerful smartphones with integrated camera(s) are ubiquitous. However, there are not many ways in which smartphones and screens can interact besides casting the video from a smartphone. In this paper, we present a novel idea that turns a smartphone into a direct virtual pointer on the screen using the phone's camera. The idea and its implementation are simple, robust, efficient and fun to use. Besides the mathematical concepts of the idea we accompany the paper with a small javascript project (www.mobiletvgames.com) which demonstrates the possibility of the new interaction technique presented as a massive multiplayer game in the HTML5 framework.
翻译：大型屏幕显示今天无处不在,作为演示和娱乐基础设施的一部分。 此外,拥有集成相机的强力智能手机无处不在。 然而,除了从智能手机上播放视频外,智能手机和屏幕可以互动的方式不多。 在本文中,我们提出了一个新颖的想法,将智能手机转化为使用手机相机的屏幕上的一个直接虚拟指示器。该想法及其实施是简单、稳健、高效和有趣的。 除了我们随同纸张的这个想法的数学概念外,我们还有一个小型刺绣项目(www.mobytvgames.com),它展示了在HTML5框架中作为大规模多人游戏展示的新互动技术的可能性。
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