Lighthouse, DPVR, and Oculus Constellation: VR Tracking Comparison

Analysis of VR spatial tracking: camera-based Oculus Constellation versus lighthouse laser sweep. Covers PnP pose estimation, IMU fusion, accuracy and range trade-offs.

Full-body Pose Estimation and Tracking for VR

AvatarPoser uses a Transformer to estimate and track full-body pose from sparse headset and controller motion, combining learned prediction with IK for accurate hand control.

How VR Could Change Myopia Treatment

Examines VR for myopia management, experimental findings with HTC Vive, and key technical factors—virtual image distance, refresh rate, and latency—affecting outcomes.

Spatial Tracking and Positioning Technologies for AR/VR

Survey of AR/VR spatial tracking methods and device classes, comparing inside-out SLAM, outside-in tracking, and marker-based approaches for headsets and controllers.

Understanding Key Factors of the VR Experience

Technical overview of VR concepts, experience factors (sharpness, motion sickness, tracking) and network needs; discusses PPD, motion-to-photon latency and recommended bandwidth.

Applications of Augmented Reality Technology

Technical article about electronics and hardware engineering.

How Lighthouse Tracking Works

Explains Valve's Lighthouse system for six-degree-of-freedom tracking in VR: rotating infrared lasers and sensor timing compute position with low processing overhead.

PS VR 120Hz Refresh Rate: Technical Principles

Analysis of PS VR's 120Hz refresh: native 60/90/120Hz modes, how asynchronous reprojection doubles 60Hz to 120Hz, latency effects and developer trade-offs.

How Headset VR Works: Lenses, Tracking, and Components

Technical breakdown of how VR headsets work, covering lenses, displays, positional sensors, infrared tracking, controllers, audio, cabling, and computing.

What Is a VR Gyroscope?

Overview of gyroscope in VR headsets: how 9-axis sensors (accelerometer, gyroscope, magnetometer) enable low-latency orientation, drift correction and 6-DoF pose.