And then calculating the state relation graph, extracted spatial features of images.
然后计算状态关联图，提取出图像的空间特征。
Spatial features, such as buildings, pipes, or parcel boundaries, can be represented with points, lines, and areas.
空间元素，如建筑物、管道或界址，可用点、线及区域来表示。
Modeling spatial features in land and housing geographic information system (GIS) based on Geographic Markup Language (GML) is studied.
在分析土地房产要素特点的基础上，探讨了土地房产空间要素的GML模型及其应用。
应用推荐