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6 Innovative Technologies in AR/VR

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AR/VR technologies have become big industries with mainstream availability. Worldwide spending on AR/VR products and services is projected to be more than $58 billion by 2028.

Augmented reality (AR) is an “augmented” view of the physical, real-world environment that displays computer-generated sound, video, graphics, or GPS data while still viewing the real world.

Virtual Reality (VR) is the use of computer technology to create a simulated environment. Unlike traditional user interfaces, VR places the user inside an experience. Instead of viewing a screen in front of them, users are immersed and able to interact with 3D worlds.

AR/VR systems are full of exciting technology.

  • Display technology
  • Cameras
  • Processor
  • Motion sensors
  • Wi-Fi & Bluetooth interfaces
  • Battery

Display technology

Goggle-type headsets require a high-resolution display to overlay 3D images. These requirements impact the speed of processing and the size of memory.

Processor

Many headsets use multi-core processors to handle the high-resolution overlay images and indoor/outdoor navigation processing. High-performance systems have 32-bit floating point DSP for real-time 3D image rendering.

Cameras

Headsets may have more than one camera, including a time-of-flight camera (ToF camera) to measure depth using IR light. The time-of-flight camera is a class of LIDAR, in which the entire scene is captured with laser light measuring the depth of field at every pixel. Because ToF cameras have limited resolution, standard two-dimensional HD cameras are added.

Motion sensors

Motion sensors track head movements to provide 3D imagery on the display and provide accurate navigation.

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Wireless

Typically both WiFi and Bluetooth Interfaces are required for connection to the local devices and the cloud. It is not unusual for them to support Wi-Fi, IEEE 802.11a/b/g/n/ac, 2.4G/5G BT4.0 EDR +BLE. The high speed of WiFi is essential for transmitting live video or 3D video.

Battery

Battery lifetime is often limited by the size and weight of the device.

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