无介质浮空投影交互系统的实现

Realization of non-medium floating image interactive system

相较于传统的虚拟现实技术,无介质浮空投影是一种全新的视觉体验,用户可在没有任何介质的空气中,裸眼观看"真实存在"的影像。无介质浮空投影技术是基于光线在微镜矩阵结构中的二次反射,将物体投射到空中,形成无介质浮空投影。为满足无介质浮空投影人机交互,本文选用一种红外阵列触摸传感器,相较于传统虚拟现实的人机交互设备,红外阵列触摸传感器对环境光有较强的抗光性,其手势定位有更高的精度和准确度,能够实现精准快速定位,误差可低至毫米级别。本文通过Unity3D设计浮空影像及交互事件,红外阵列触摸传感器可以实现对浮空投影的精准定位并可以完成点击、拖拽、缩放、旋转等基本手势的交互操作。

Compared with traditional virtual reality technology,mediumless floating projection is a brand new visual experience.Users can view " real existence" images in the air without any media with naked eyes. The technology of dielectric free float projection is based on the secondary reflection of light in the matrix structure of micro mirror,which projects the object into the air and forms the dielectric free float projection. Floated to meet no medium projection human-computer interaction,this paper chooses a touch sensor array infrared,compared with the traditional virtual reality interactive devices,infrared touch sensor array to ambient light has strong resistance to light,the gestures positioning has a higher precision and accuracy,can realize precise fast positioning,error can be as low as millimeter level. In this paper,the floating image and interactive events are designed by Unity3 D. The infrared array touch sensor can realize the precise positioning of the floating projection and complete the interactive operation of basic gestures such as click,drag,zoom and rotation.