摘要 |
<p>A head mountable display (HMD) system in which the size and/or distance from the viewer of a virtual screen for display of video material depends upon one or more of the following: whether the video material is in a 2-D or a 3-D format; the image resolution of the video material; the compression quality and/or data rate of the video material; the aspect ratio of the video material; the origin of the video material; and metadata associated with the video material.</p> |