VR Movement Controller ‘Atraxa’ Provides Promising 6DOF With out Occlusion Points


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Virtual Reality

VR Movement Controller ‘Atraxa’ Provides Promising 6DOF With out Occlusion Points


Northern Digital is a Waterloo, Canada-based producer of 3D measurement units, and whereas the corporate has primarily centered on creating for varied industries reminiscent of medication and aeronautics all through their 35 years of existence, they’ve not too long ago unveiled a reference design for a magnetic monitoring system for VR headsets and controllers.

The reference design, dubbed Atraxa, is accessible both as an enclosed controller, or as three naked PCB parts: two trackers, and a single receiver. Because the reference design is meant for OEMs, you gained’t be capable to purchase this as a client, at the very least not till a third-party firm integrates and sells it.

As an enclosed unit, NDI’s prototype housing isn’t something to jot down dwelling about when it comes to ergonomics, as they appear greater than a bit like Wiimotes. For the sake of a demo of the corporate’s underlying tech although, it was greater than sufficient to indicate what the system was able to. And in contrast to Wiimotes, Atraxa tracks the person’s hand actions in 6DOF, and to surprisingly good impact.

How It Works

At NDI’s sales space the corporate was demoing Beat Saber and The Lab, two video games I’m all too accustomed to. I’ve a fairly good sense of once I’m hitting Beat Saber’s flying cubes accurately, or the place an arrow ought to land once I’m taking pictures down paper enemies in Lengthy Bow. It was good to see them utilizing video games I each know and like to function onerous baselines for what the system ought to be capable to do.

atraxa VR Movement Controller 'Atraxa' Provides Promising 6DOF With out Occlusion Points
Picture courtesy NDI

After placing the controllers by means of their paces in each video games, it was clear to me the Atraxa controllers supply an appropriate degree of efficiency, even when they fall wanting the bar set by Rift and Vive monitoring. I used to be slicing Beat Saber’s blocks with confidence, and bringing the controllers near my face to nock and fireplace arrows on the hordes or paper enemies in Lengthy Bow.

It wasn’t sufficient to be referred to as ‘the proper resolution’, as there have been just a few transient moments when Atraxa would find yourself just a few centimeters away from their precise place within the bodily world earlier than shortly snapping again to their precise anchored positions. This solely occurred twice throughout my demo, nevertheless it was sufficient to depart me with the impression that it was someplace round PSVR’s Transfer in monitoring accuracy and latency, however under all different main PC VR movement controllers out now.

atraxa VR Movement Controller 'Atraxa' Provides Promising 6DOF With out Occlusion Points
Picture courtesy NDI

So whereas Atraxa is probably not essentially the most exact resolution, builders creating apps for standalone headsets with optical or ultrasonic controller monitoring are little question designing their video games to play nicely with a limitation in thoughts: you’ll be able to’t occlude your controllers, or put them wherever exterior of the digital camera sensors’ monitoring quantity and keep 6DOF. Atraxa’s magnetic monitoring however, doesn’t stumble upon such occlusion points. I used to be pushing the controllers to what could be a transparent barrier for others, together with placing them behind my again, behind my head, and within the ‘holstered’ place by my sides—all issues that usually problem optical inside-out controller monitoring due to restricted subject of view.

An fascinating apart: an NDI spokesperson advised me Atraxa was already built-in into XR headset(s) available on the market as we speak. Simply which of them, the corporate gained’t say, though there aren’t many who use this sort of EM/IMU sensor fusion. In actual fact, Magic Leap is to date the one main headset available on the market that makes use of the expertise of their Magic Leap Management.

So whereas it is probably not a excellent resolution, the trade-offs right here might very nicely be justified by producers in search of a ready-built monitoring resolution that’s able to really occlusion-free monitoring with accuracy that’s acceptable for the fitting use-cases.

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