ARCore implements motion tracking using an algorithm known as visual-inertial odometry (VIO). VIO combines the identification of image features from the device's camera with internal motion sensors to track the device's orientation and position relative to where it started. By tracking orientation and position, we have the ability to understand where a device is in 6 degrees of freedom, or what we will often refer to as the device's/object's pose. Let's take a look at what a pose looks like in the following diagram:
6 Degrees of Freedom, Pose
We will use the term pose frequently when identifying an object's position ...
