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Image source: Adrian Boeing blog In the context of AR and VR systems, predictive tracking refers to the process of predicting the future orientation and/or position of an object or body part. For instance, one might want to predict the orientation of the head or the position of the hand. Why is predictive tracking useful? […]
Optical positional tracking for goggles uses a camera (or cameras) and a known set of markers to determine the position of the camera relative to the markers. Positional tracking can be done using the visible spectrum but is more commonly done using infra-red markers and a camera that is sensitive to IR light. There are […]
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After the post What you should know about head trackers I was asked to comment about linear movement in motion trackers. Since inertial motion trackers include an accelerometer, it can measure the magnitude and direction of linear acceleration. Most of those that took high-school physics remember that the velocity is the derivative of position and that acceleration […]
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