基于径向基函数插值的立体摄像机控制增强虚拟现实中的用户体验
Enhancing User Experience in Virtual Reality with Radial Basis Function Interpolation Based Stereoscopic Camera Control
摘要：
向用户提供深度丰富的虚拟现实（VR）体验而不引起不适仍然是当今市场上可买到的盔装显示器（HMD）的挑战，为了将视觉不适保持到最小，HMD对立体相机参数实施严格的措施。然而，这些措施往往会导致深度感较浅的VR体验。我们提出了第一种方法，可以与现有的消费者HMD一起用于虚拟环境（VE）中的自动立体相机控制。使用径向基函数插值和投影矩阵操作，我们的方法使得有可能显着提高整体感知深度方面的用户体验，同时保持与默认安排的视觉不适。在我们的实现中，我们还引入了第一个沉浸式界面，用于为任何VE创作独特的3D立体电影摄影，以体验消费者HMD。我们进行了一项用户研究，展示了我们的方法在卓越的图片质量和感知深度方面的好处。我们还研究了结合我们的方法使用景深（DoF）的效果，并观察到添加我们的DoF实现被视为降级的体验，如果不是类似的话。
英文摘要：
Providing a depth-rich Virtual Reality (VR) experience to users without causing discomfort remains to be a challenge with today's commercially available head-mounted displays (HMDs), which enforce strict measures on stereoscopic camera parameters for the sake of keeping visual discomfort to a minimum. However, these measures often lead to an unimpressive VR experience with shallow depth feeling. We propose the first method ready to be used with existing consumer HMDs for automated stereoscopic camera control in virtual environments (VEs). Using radial basis function interpolation and projection matrix manipulations, our method makes it possible to significantly enhance user experience in terms of overall perceived depth while maintaining visual discomfort on a par with the default arrangement. In our implementation, we also introduce the first immersive interface for authoring a unique 3D stereoscopic cinematography for any VE to be experienced with consumer HMDs. We conducted a user study that demonstrates the benefits of our approach in terms of superior picture quality and perceived depth. We also investigated the effects of using depth of field (DoF) in combination with our approach and observed that the addition of our DoF implementation was seen as a degraded experience, if not similar.
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