rectangular number

This paper mainly discusses new model for the qualitative spatial reasoning by the combination of the MBR and rectangle algebra which is based on the cardinal direction relations.

论文重点介绍了基于主方向物体MBR(MinimumBoundRectangle)与矩形代数(Rectanglealgebra)理论相结合对物体空间方向关系进行表述的一个新型模型。