1. A system for tracking with reference to a three-dimensional display system, comprising: a display device which images, during use, a first stereo three-dimensional image; a surface comprising at least three emitters, wherein the surface is positionable, during use, with reference to the display device; at least two sensors coupled to the display device in a known position and orientation referenced to the display device, wherein at least two of the sensors detect, during use, light received from at least three of the emitters as light blobs when the light blobs from the at least three emitters of the surface are detected substantially in proximity to the display device during use; a processor coupled to at least two of the sensors, wherein the processor assesses, during use, a referenced position of the detected light blobs using a bounding function for each of at least two of the sensors, wherein the processor, correlates, during use, the assessed referenced position of the detected light blobs for each of at least two of the sensors such that a first position/orientation of the surface with reference to the display device is assessed; and an image processor which generates, during use, the first stereo three-dimensional image using the assessed first position/orientation of the surface with reference to the display device; wherein the first stereo three-dimensional image is from a first perspective, and wherein the first stereo three-dimensional image is distinct from a second stereo three-dimensional image which is derived from a second perspective using a second assessed position/orientation of the surface with reference to the display device.