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首页> 外文期刊>International journal of human-computer studies >Hands-free navigation in VR environments by tracking the head
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Hands-free navigation in VR environments by tracking the head

机译：通过跟踪头部在VR环境中进行免提导航

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Conventional methods of navigating within a virtual reality environment involve the use of interfaces such as keyboards, hand-held input devices such as joysticks, mice and trackballs, and hand-worn data gloves. While these devices are mostly adequate, they are rather obstrusive and require some amount of training to use. Researchers have begun investigation into interfaces that have the capability to interpret human gestures visually. In this document, we describe an approach used to navigate virtual reality environments by tracking the pose (translation and orientation) of the user's face. This "hands-free" navigation is simple, intuitive and unobstrusive. I; requires only commercially available products such as a camera and an image digitizer. The pose of the face is determined by warping a reference face image to minimize intensity difference between the warped reference face image and the current face image. This is more robust because all pixels in the face are used, in contrast to detecting only selected facial features. In addition, the proposed approach does not require a geometric model of the face. (C) 1998 Academic Press Limited. [References: 20]
机译：在虚拟现实环境中导航的常规方法涉及使用诸如键盘之类的界面，诸如操纵杆，鼠标和轨迹球之类的手持输入设备以及戴在手边的数据手套。尽管这些设备大多数都足够，但它们相当笨重，需要一定的培训才能使用。研究人员已经开始研究具有可视化解释人的手势功能的界面。在本文档中，我们描述了一种通过跟踪用户面部的姿势（平移和方向）来导航虚拟现实环境的方法。这种“免提”导航非常简单，直观且毫不干扰。一世;只需要市售产品，例如照相机和图像数字转换器。通过使参考面部图像变形以最小化经变形的参考面部图像和当前面部图像之间的强度差来确定面部的姿势。与仅检测选定的面部特征相比，这是因为使用了面部中的所有像素，因此更加鲁棒。另外，所提出的方法不需要面部的几何模型。 （C）1998 Academic Press Limited。 [参考：20]

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