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It can be done using a number of different hardware technologies, such as [[electromagnetic tracking]] or [[camera-based tracking]]. Methods of camera-based tracking include methods using [[SLAM]] or [[VIO]]. Electromagnetic tracking is faster and typically more precise, but has interference problems. Camera-based tracking is slower, more expensive to implement, but is more reliable in a variety of environments, and may not need an external tracking system.
 
It can be done using a number of different hardware technologies, such as [[electromagnetic tracking]] or [[camera-based tracking]]. Methods of camera-based tracking include methods using [[SLAM]] or [[VIO]]. Electromagnetic tracking is faster and typically more precise, but has interference problems. Camera-based tracking is slower, more expensive to implement, but is more reliable in a variety of environments, and may not need an external tracking system.
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Position can be represented in a computer system using a 3D vector. Rotation can be represented using a quaternion.
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Position can be represented in a computer system using a 3D vector. Rotation can be represented using a quaternion. It can be done in theory using [[multilateration]] using lasers.<ref name="b754">{{cite journal | last=Nitsche | first=Jan | last2=Franke | first2=Matthias | last3=Haverkamp | first3=Nils | last4=Heißelmann | first4=Daniel | title=Six-degree-of-freedom pose estimation with µm/µrad accuracy based on laser multilateration | journal=Journal of Sensors and Sensor Systems | publisher=Copernicus GmbH | volume=10 | issue=1 | date=2021-02-19 | issn=2194-878X | doi=10.5194/jsss-10-19-2021 | doi-access=free | pages=19–24}}</ref> PnO tracking is related to rotation tracking, which uses [[3DOF]] of space. It is used in an [[absolute positioning system]]. It is known as 6DOF tracking, because of the 6 degrees of freedom (DOF), which are ways that an object can move: horizontally, vertically, depthwise, and three rotation movements: pitch, roll, and yaw.
 
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It can be done in theory using [[multilateration]] using lasers.<ref name="b754">{{cite journal | last=Nitsche | first=Jan | last2=Franke | first2=Matthias | last3=Haverkamp | first3=Nils | last4=Heißelmann | first4=Daniel | title=Six-degree-of-freedom pose estimation with µm/µrad accuracy based on laser multilateration | journal=Journal of Sensors and Sensor Systems | publisher=Copernicus GmbH | volume=10 | issue=1 | date=2021-02-19 | issn=2194-878X | doi=10.5194/jsss-10-19-2021 | doi-access=free | pages=19–24}}</ref>
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PnO tracking is related to rotation tracking, which uses [[3DOF]] of space. It is used in an [[absolute positioning system]].
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It is known as 6DOF tracking, because of the 6 degrees of freedom (DOF), which are ways that an object can move: horizontally, vertically, depthwise, and three rotation movements: pitch, roll, and yaw.
   
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== Methods ==
 
== Methods ==

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