A video sequence possesses not only spatial properties like images, such as color, edge, texture, but also temporal properties, namely, the motion information.
视频数据除了具有与图像一样的空间特性外(如颜色、边缘和纹理等)，还具有时序特性，即视频中存在运动信息。
In this paper, after analysis of the spatial and temporal properties of GIS, a semantic definition of spatiotemporal topological relationships has been suggested.
本文在分析GIS的时空特性后，给出了一个语义层时空拓扑关系定义。
Furthermore, by taking the temporal property of spatial presentation, we discuss the fuse issues of temporal and spatial properties of IBVS.
而且还考虑到了空间表现的时间特性，讨论了虚拟实景空间的时间和空间的融合问题。
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