Vive Cosmos Rated Least Accurate Among Top Headsets in Controller Tracking Test – Road to VR

Ever marvel how VR monitoring programs actually stack up? A analysis and engineering group referred to as the Digital Dimension Middle (VDC) in Fellbach, Germany performed a research not too long ago that reveals simply how correct a few of the high VR headset’s are in relation to monitoring their respective movement controllers.

When most individuals examine VR monitoring accuracy, you usually get a response about the way it feels in relation to a identified amount, like while you play Beat Saber throughout two completely different headsets to see how they match up. That works when attempting to assist somebody perceive how they could understand the general expertise, but it surely does little in the way in which of objectively proving the purpose.

In line with the check performed by VDC Fellbach, HTC Vive Cosmos’ inside-out optical system persistently shakes out because the least correct of the bunch.

Observe: This text refers back to the inventory HTC Vive Cosmos, and never Vive Cosmos Elite, which ships with a SteamVR tracking-compatible faceplate.

How It Was Measured

As first reported by German publication MIXED (German), VDC Fellbach measured the monitoring programs on Oculus Rift S, Oculus Quest, Home windows Blended Actuality, Valve’s SteamVR (aka Lighthouse) monitoring, and HTC Vive Cosmos. Ostensibly as a kind of management, the research additionally included the industrial-grade monitoring cameras from ART, which routinely outperformed even the rock-solid exterior SteamVR laser-based monitoring system.

The target was to quantify every system’s enter accuracy, measured in millimeters, which was achieved by attaching every controller to a robotic arm with an adaptor. A 3D-printed head mannequin was used to carry the goal headset whereas the robotic arm moved the VR controllers 50 instances between two factors on the X-axis, set 500 millimeters (~20 inches) aside, or about an arm’s distance away.

Vive Cosmos Rated Least Correct Amongst Prime Headsets in Controller Monitoring Check – Street to VR 15Picture courtesy VDC Fellbach, translated by Street to VR

The robotic arm, which was linked to the laptop computer by way of LAN, was managed by an in-house software program utilizing a modified variant of OpenVR. This allowed the testers to not solely reliably know the precise place of the controller, but additionally the reported place of the controller, capturing knowledge within the X, Y and Z-axis throughout every headset’s trial.

The Outcomes

Beneath you possibly can see the usual deviation of the outcomes for place one, which is closest to the headset. The research additionally contains the utmost deviation and imply, nonetheless all of them level to roughly the identical relative conclusion.

Vive Cosmos Rated Least Correct Amongst Prime Headsets in Controller Monitoring Check – Street to VR 16Picture courtesy VDC Fellbach, translated by Street to VR

SteamVR monitoring, which makes use of laser-based ‘outside-in’ beacons, is essentially the most correct consumer-grade resolution of the bunch. Notably, ART’s outside-in optical monitoring is so correct that its bar isn’t even seen on the far proper of every chart.

Home windows Blended Actuality performs higher than we anticipated in place one, coming in neck-to-neck with Oculus Rift S. HTC Vive Cosmos lags behind by a large margin with its 2-Three mm deviation. This modifications considerably when the respective controllers transfer to place 2 nonetheless.

Vive Cosmos Rated Least Correct Amongst Prime Headsets in Controller Monitoring Check – Street to VR 17Picture courtesy VDC Fellbach, translated by Street to VR

Exterior-in monitoring stays roughly the identical whatever the distance between the headset and the controller, nonetheless inside-out monitoring monitoring takes a notable hit in accuracy because it strikes farther away from the headset.

In a single occasion, Home windows Blended Actuality underperforms by almost Three mm from useless zero, beating out Vive Cosmos by almost a millimeter in accuracy.

Vive Cosmos Rated Least Correct Amongst Prime Headsets in Controller Monitoring Check – Street to VR 18Robotic arm and controller adaptor | Picture courtesy VDC Fellbach

The charts above doesn’t inform the entire story although. In line with the research, HTC Vive Cosmos performs “worst,” with deviations which can be “typically above 5 mm,” and that it was even potential to visually detect Vive Cosmos’ deviation whereas the measurement was being carried out.

Granted, Vive Cosmos has benefitted from a number of software program updates since its late 2019 launch, which was so dangerous on the time that we really postponed our preliminary evaluation till HTC addressed our considerations over monitoring. In line with this research although, evidently effectively into late 2020 that Cosmos continues to be underperforming within the monitoring division.

The testers admit their findings could also be influenced by “variations within the parts used and completely different software program,” nonetheless it’s unlikely a analysis group able to creating such a testing platform within the first place would merely overlook to replace their drivers. No less than we’d hope not.

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In case you converse German, or don’t thoughts flexing your Google Translate expertise, you possibly can try the complete paper to see VDC Fellbach’s findings for your self. A particular thanks goes out to our mates at MIXED for pointing us to the information.

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