Spatial reasoning refers to what is called "visuoconstruction" (visuospatial construction abilities). This involves, among other things, the understanding of space in two or three dimensions. It is the ability that also allows us to organize parts to produce a shape.
In ExpressIF®, these abilities are used for scene or image analysis in general. The strength of ExpressIF® lies in its ability to handle both classic and fuzzy objects. Fuzzy objects can indicate imprecision or uncertainty, for example, after automatic object detection. The evaluation of spatial relationships thus depends on the nature of the objects, and ExpressIF® can switch from a purely geometric evaluation to a more complex one based on fuzzy morpho-mathematics.
If objects move or change shape, the flow reasoning capability will allow for the evolution of decisions. However, ExpressIF® also provides specific relationships in its spatio-temporal library that are specialized for characterizing movement and shape change.
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