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edits
Changes
added wireless tracking
Intersense, an American technology company, has developed successful acoustic tracking systems.
===Wireless tracking===
Wireless tracking uses a set of anchors that are placed around the perimeter of the tracking space and one or more tags that are tracked. This system is similar in concept to GPS, but works both indoors and outdoors. Sometimes referred to as indoor GPS. The tags [[triangulation (computer vision)|triangulate]] their 3D position using the anchors placed around the perimeter. A wireless technology called Ultra Wideband has enabled the position tracking to reach a precision of under 100 mm. By using sensor fusion and high speed algorithms, the tracking precision can reach 5 mm level with update speeds of 200 Hz or 5 ms [[Latency (engineering)|latency]].
<ref name=”6”> IndoTraq. Positional Tracking. Retrieved from http://indotraq.com/?page_id=122</ref>
<ref name=”7”> Hands-On With Indotraq. Retrieved from https://www.vrfocus.com/2016/01/hands-on-with-indotraq/</ref>
<ref name=”8”> INDOTRAQ INDOOR TRACKING FOR VIRTUAL REALITY. Retrieved from https://blog.abt.com/2016/01/ces-2016-indotraq-indoor-tracking-for-virtual-reality/</ref>
===Inertial Tracking===
'''[[Markerless tracking]]''' - tracking system that does not use [[fiducial markers]].
'''[[Markerless inside-out tracking]]'''- combines markerless tracking with inside-out tracking '''[[Markerless outside-in tracking]]''' - combines markerless tracking with outside-in tracking
==Comparison of positional tracking systems==
{{see also|Comparison of tracking systems}}
{{:Comparison of tracking systems}}
