Engineers from the Massachusetts Institute of Technology introduced the X-AR augmented reality headset,
The headset usesRF signals that can pass through most materials, including cardboard boxes, plastic containers, or wooden partitions. To identify objects, engineers use RFID tags, which reflect the signals sent by a radio frequency antenna.
In most object localization systemsmultiple antennas are used spaced a few meters apart, but for X-AR, engineers have designed a single, lightweight antenna that provides high bandwidth for tag communications.
As it moves around the room, the X-AR performsmeasurements with the antenna from different viewpoints, and then combines these measurements. Thus, it acts like an antenna array in which measurements from multiple antennas are combined to localize the device.
Augmented reality helmet guidesuser in the right direction, and the hidden object is displayed as a transparent sphere in the interface. When a person finds and picks up the desired item, the X-AR headset checks if it is what was needed and informs the user.
Testing the device in an artificial environment,reminiscent of a warehouse, showed that X-AR locates items with an accuracy of 9.8 cm, while users quickly find and take the desired item with an accuracy of 96%.
Engineers believe that the device can beuse in a warehouse, for example, to quickly collect ordered goods. In addition, it can be used in a manufacturing plant to help technicians find the right parts to assemble the finished product.
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Cover image: MIT