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Learn ARCore - Fundamentals of Google ARCore by Micheal Lanham

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Motion tracking

Tracking a user's motion and ultimately their position in 2D and 3D space is fundamental to any AR application. ARCore allows us to track position changes by identifying and tracking visual feature points from the device's camera image. An example of how this works is shown in this figure:

Feature point tracking in ARCore

In the figure, we can see how the user's position is tracked in relation to the feature points identified on the real couch. Previously, in order to successfully track motion (position), we needed to pre-register or pre-train our feature points. If you have ever used the Vuforia AR tools, you will be very ...

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