VIEW FRUSTUM CULLING FOR FREE VIEWPOINT VIDEO (FVV)
    1.
    发明申请
    VIEW FRUSTUM CULLING FOR FREE VIEWPOINT VIDEO (FVV) 审中-公开
    查看免费视频视频(FVV)

    公开(公告)号:US20130321593A1

    公开(公告)日:2013-12-05

    申请号:US13598536

    申请日:2012-08-29

    IPC分类号: H04N13/04

    摘要: The view frustum culling technique described herein allows Free Viewpoint Video (FVV) or other 3D spatial video rendering at a client by sending only the 3D geometry and texture (e.g., RGB) data necessary for a specific viewpoint or view frustum from a server to the rendering client. The synthetic viewpoint is then rendered by the client by using the received geometry and texture data for the specific viewpoint or view frustum. In some embodiments of the view frustum culling technique, the client has both some texture data and 3D geometric data stored locally if there is sufficient local processing power. Additionally, in some embodiments, additional spatial and temporal data can be sent to the client to support changes in the view frustum by providing additional geometry and texture data that will likely be immediately used if the viewpoint is changed either spatially or temporally.

    摘要翻译: 本文描述的视锥形截尾技术允许仅通过将特定视点或视锥体所需的3D几何和纹理(例如,RGB)数据从服务器发送到客户端,从而在客户端处进行自由视点视频(FVV)或其他3D空间视频呈现 渲染客户端。 合成视点然后由客户端通过使用接收到的几何和纹理数据为特定视点或视图截面呈现。 在视锥形截尾技术的一些实施例中,如果存在足够的局部处理能力,则客户端具有存储在本地的一些纹理数据和3D几何数据。 另外,在一些实施例中,可以向客户端发送额外的空间和时间数据,以通过提供额外的几何形状和纹理数据来支持观看平截头体的变化,如果视点在空间上或时间上都是改变的,则几何和纹理数据可能会立即被使用。

    Using clear-coded, see-through objects to manipulate virtual objects
    2.
    发明授权
    Using clear-coded, see-through objects to manipulate virtual objects 有权
    使用清晰编码的透视对象来操纵虚拟对象

    公开(公告)号:US07576725B2

    公开(公告)日:2009-08-18

    申请号:US10969746

    申请日:2004-10-19

    IPC分类号: G09G5/00

    摘要: An object placed on an interactive display surface is detected and its position and orientation are determined in response to IR light that is reflected from an encoded marking on the object. Upon detecting the object on an interactive display surface, a software program produces a virtual entity or image visible through the object to perform a predefined function. For example, the object may appear to magnify text visible through the object, or to translate a word or phrase from one language to another, so that the translated word or phrase is visible through the object. When the object is moved, the virtual entity or image that is visible through the object may move with it, or can control the function being performed. A plurality of such objects can each display a portion of an image, and when correctly positioned, together will display the entire image, like a jigsaw puzzle.

    摘要翻译: 检测放置在交互式显示表面上的物体,并且响应于从物体上的编码标记反射的IR光确定其位置和取向。 当在交互式显示表面上检测到对象时,软件程序产生通过对象可见的虚拟实体或图像以执行预定义的功能。 例如,对象可能会放大通过对象可见的文本,或者将单词或短语从一种语言翻译成另一种语言,以便翻译的单词或短语可以通过该对象来看到。 当对象被移动时,通过对象可见的虚拟实体或图像可以随之移动,或者可以控制正在执行的功能。 多个这样的对象可以各自显示图像的一部分,并且当正确定位时,一起将显示整个图像,如拼图。