When We Download Music Or Photos, These Files Contain Information That Shows Things Like The Name And Type Of Music Or The Time And Place Took The Photo.

Invisible Barcodes, Inspired by this, a group of researchers at MMIT University intend to combine information with physical objects.

They believe that we will be able to get product information faster and more confidently with such a solution, for example, when we walk into a chain store. The answer, called InfraredTag, was implemented in collaboration with Emaiti Computer Science and Artificial Intelligence Laboratory and a Facebook researcher.

These labels can be read in infrared light and therefore are generally not seen and can be implemented with conventional printers. The researchers looked at several plastic materials to find the best material to transmit infrared light. They eventually found a custom plastic product from a small German company. This material is opaque to visible light but transmits infrared light.

Figure 2 – An example of a QR code printed on glass. This code is invisible to humans, but the red light camera sees it.

One way to engrave the code on the printed object was to place air bubbles to act as zeros and ones.

Another method is to use two types of plastic for printing. One is opaque plastic, and the other is plastic that transmits infrared light. It was convenient because the infrared camera could better read the code.

Labels can be regular barcodes, CV codes, and augmented reality ( ArUco ) tokens. The researchers applied several code prototypes to objects such as glasses and even Wi-Fi routers.

The researchers hope that augmented reality glasses will be equipped with infrared cameras and be able to get complete information about the surrounding objects in an instant.