Aximmetry software already supports HTC Vive units,you can read about this topic here

https://aximmetry.com/wiki/index.php?title=Experimenting_with_HTC_Vive_camera_tracking_using_Unreal_scene

Also I think there is some video tutorials explains using it with Aximmetry DE

https://www.youtube.com/watch?v=px-gxpiVbuQ&list=PLMJT6fk-b4aDDqXN7aNea6wrQLxCQKs72

Thanks Ahmed for the response

The video is for virtual reality VR , what he meant is augmented reality AR

Like the picture above or this video

https://www.youtube.com/watch?v=_pb-olY1Rhs

If it Works for Virtual reality it will work for augmented too, you Just have to Mension a few More Things because the Person isnt tracked most of the Time 

Hi huseen,

Aximmetry supports HTC Vive.

On using an AR scene with Unreal please check:
https://aximmetry.com/wiki/index.php?title=Using_Tracked_Cameras_and_Augmented_Reality_with_an_Unreal_Scene#Augmented_Reality