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An inertial measurement unit (IMU) is an electronic device that measures and reports a body's specific force, angular rate, and sometimes the orientation of the body, using a combination of accelerometers, gyroscopes, and sometimes magnetometers. When the magnetometer is included, IMUs are referred to as IMMUs.
When in use, a compatible Samsung Galaxy device acts as the headset's display and processor, while the Gear VR unit itself acts as the controller, which contains the field of view, as well as a custom inertial measurement unit, or IMU, for rotational tracking, which connects to the smartphone via USB-C or micro-USB. The Gear VR headset also ...
VR headsets typically use at least one MEMS IMU for three degrees of freedom (3DOF) motion tracking, and optionally more tracking technology for six degrees of freedom (6DOF) motion tracking. 6DOF devices typically use a sensor fusion algorithm to merge the data from the IMU and any other tracking sources, typically either one or more external ...
An optical head-mounted display uses an optical mixer which is made of partly silvered mirrors. It can reflect artificial images, and let real images cross the lens, and let a user look through it. Various methods have existed for see-through HMD's, most of which can be summarized into two main families based on curved mirrors or waveguides.
The HoloLens features an inertial measurement unit (IMU) (which includes an accelerometer, gyroscope and a magnetometer), [20] four "environment understanding" sensors (two on each side), an energy-efficient depth camera with a 120°×120° angle of view, [23] a 2.4-megapixel photographic video camera, a four-microphone array and an ambient ...
Direct fusion is the fusion of sensor data from a set of heterogeneous or homogeneous sensors, soft sensors, and history values of sensor data, while indirect fusion uses information sources like a priori knowledge about the environment and human input. Sensor fusion is also known as (multi-sensor) data fusion and is a subset of information fusion.
The system consists of a display, a computer known as a "puck", a networked data radio, and three conformal batteries. The display can augment the soldier's vision with imagery from thermal imaging and low-light imaging sensors. The radio allows data from the soldiers' individual IVAS headsets to be passed among members of the company. [3]
Oculus Mobile SDK, developed by Oculus VR for its own standalone headsets and the Samsung Gear VR. (The SDK has been deprecated in favor of OpenXR, released in July 2021.) [ 1 ] Tethered – headsets that act as a display device to another device, like a PC or a video game console , to provide a virtual reality experience.