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- These base stations act like an indoor satellite navigation system, using emitted light beams or wireless signals to locate trackers and VR headsets in the tracked space. This allows every movement and subtle action to be precisely detected, mapped, and tracked.
blog.vive.com/us/vr-full-body-tracking-guide-pros-and-cons-of-tracker-technologies/VR Full Body Tracking Guide: Pros and Cons of Tracker ... - VIVE
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How do base stations work?
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How do positional tracking systems work?
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What is Lighthouse tracking & how does it work?
Laser tracking. Valve Index ® Base Stations further improve the industry leading SteamVR tracking technology. Fixed lasers sweep 100 times a second to track photonic sensors on the headset and controllers.
On the bottom hole, one motor is on-axis and the other is off-axis, both applying torque to a jam-nutted connection and in a direction that is much more easily resisted by the mounts, meaning the base stations will move MUCH less during use, and provide far more stable and accurate tracking.
- What Is Positional Tracking?
- Tracking Systems
- The Common Base: Dead Reckoning
- “Constellation”
- PlayStation VR
- SteamVR “Lighthouse”
- Slam / Inside-Out
Most mobile VR headsets like Oculus Go, Samsung Gear VR and Google Daydream View only have rotational tracking (3DoF). You can look up or down, to either side, or tilt your head. But if you try to lean or actually move your head’s position, this is not tracked. The entire virtual world will move with you. 3DoF controllers are similar, rotation-only...
Rotational tracking (3DoF) is always done with microscopic electromechanical gyroscopes. But different companies use different technologies to enable positional tracking (6DoF). While there may be a common industry standard some day, none exists yet. Companies have different ideas about which techniques are right. The various tracking systems each ...
Contrary to popular belief, the optical systems described below are only truly “correction” systems. The primary shared tracking method of all these systems is a microscopic electromechanical accelerometer. These accelerometers typically run at 1000 Hz. Diagram from Newcastle University Here’s how this works: accelerometers do not read position, or...
When designing the Rift, Oculus faced the challenge of delivering the same quality of tracking as multi-thousand dollar systems like OptiTrack at orders of magnitude lower cost. Each tracked device has a pre-defined “constellation” of infrared LEDs hidden under the external plastic, which you can see highlighted in the image above. IR light is invi...
PlayStation VR uses cameras too, but unlike the Rift the PSVR’s tracking operates in the visual light spectrum. The PlayStation 4 camera bar contains two spaced out cameras. The camera unit is connected to the PlayStation, which uses the image data to track the blue strips of light on the headset and the orbs of light on the controllers. This allow...
Valve’s SteamVR “Lighthouse” system is the most unique currently on the market. Unlike all the other systems it does not use cameras at all, and the PC does not process any data. Lighthouse was designed from the start to enable room scale positional tracking without having to wire sensors back to the user’s PC. Base stations (“Lighthouses”) are pla...
After the release of the Oculus Rift and HTC Vive, a lot of VR companies began to realize that the requirement to mount sensors or base stations in the room was putting many potential buyers off. Many newer and upcoming headsets use cameras built into the headsets themselves which perform “inside-out” tracking using computer vision algorithms. The ...
Dec 8, 2023 · Also referred to as SteamVR tracking, Lighthouse is a positional tracking system in which small, rectangular devices called base stations flash a play area with precisely timed infrared lasers, which are detected by objects like HMDs (VR headsets) and used to determine their location and orientation.
each base station has 2 lasers in it, and each lasers has a lens that turns its projected point into a line. there's 2 (v1) or 1 (v2) motors attached to rotors that make the laser lines sweep across the room. the laser lines are perpendicular to each other: one is horizon, the other vertical. there's nothing resembling a camera here, just a pair...
The base stations exist in a virtual plane and have a position. They’re relative data points aka distance from the headset and can be touched in the real world and seen in the exact spot in the virtual plane.
Jan 9, 2024 · VR tracking technology perfectly unifies your body with your Avatar. Base Station Tracking Technology: The Choice for High-Precision. Pros: High precision, high stability; Cons: Complicated setup, lower mobility
