1. A computer-implemented method comprising: obtaining, with a touchless input device, a plurality of electronic images corresponding to a plurality of physical objects detected within a physical three-dimensional region; establishing, with one or more processors, a virtual three-dimensional region mapped to the physical three-dimensional region, the virtual three-dimensional region defining a space where a plurality of virtual objects are instantiated based on the plurality of electronic images; selecting, with the one or more processors, a virtual object from the plurality of virtual objects as one or more commanding objects, the one or more commanding objects indicating a command of a graphical user interface to be performed based on a position of the commanding object; and performing the command of the graphical user interface based on the position of the one or more commanding objects.