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@ -133,7 +133,7 @@ about the model in this [paper](https://arxiv.org/abs/2006.10962).
The [Face Landmark Model](#face-landmark-model) performs a single-camera face landmark The [Face Landmark Model](#face-landmark-model) performs a single-camera face landmark
detection in the screen coordinate space: the X- and Y- coordinates are detection in the screen coordinate space: the X- and Y- coordinates are
normalized screen coordinates, while the Z coordinate is relative and is scaled normalized screen coordinates, while the Z coordinate is relative and is scaled
as the X coodinate under the as the X coordinate under the
[weak perspective projection camera model](https://en.wikipedia.org/wiki/3D_projection#Weak_perspective_projection). [weak perspective projection camera model](https://en.wikipedia.org/wiki/3D_projection#Weak_perspective_projection).
This format is well-suited for some applications, however it does not directly This format is well-suited for some applications, however it does not directly
enable the full spectrum of augmented reality (AR) features like aligning a enable the full spectrum of augmented reality (AR) features like aligning a