Vuforia offers a powerful feature enabled with a simple checkbox -- extended tracking. Ordinarily your AR app will detect a target and show the associated virtual objects. When the target exits the view of the camera then the app forgets the target and the virtual object stops being rendered. Sometimes this is exactly what you want. Sometimes it is not.
For example, suppose the virtual object is much taller than the user's phone can capture in one frame. You'll want to pan the phone camera to examine the entire shape. You will want to continue viewing the object even when the target is out of view. Extended tracking allows the user to move the phone around and still preserve the tracking.
In our project, we ...
