1. A method of generating metadata, the method comprising: receiving, by at least one processor via a user interface, a selection of a plurality of objects depicted in a particular frame of a video stream, wherein the particular frame depicts the plurality of objects in a location space that corresponds to a physical space; determining, by the at least one processor, based on position information indicating respective positions of the plurality of objects in the location space, that the plurality of objects are arranged in a particular candidate geometrical arrangement in the location space, wherein the particular candidate geometrical arrangement is selected from a plurality of candidate geometrical arrangements based on a comparison between a first distance and a second distance, the first distance between a first pair of objects of the plurality of objects and the second distance between a second pair of objects of the plurality of objects; and producing, by the at least one processor, the metadata that identifies the particular candidate geometrical arrangement of the plurality of objects in the particular frame.