Developed by MIT researchers, BrightMarkers are invisible fluorescent tags embedded in physical objects to enhance motion tracking, virtual reality, and object detection.


Copyright: – “Invisible Tagging System Enhances 3D Object Tracking”


Stop me if you’ve seen this before: a black and white pixelated square in lieu of a physical menu at a restaurant.

QR codes are seemingly ubiquitous in everyday life. Whether you see one on a coupon at the grocery store, a flyer on a bulletin board, or the wall at a museum exhibit, each code contains embedded data.

Unfortunately, QR codes in physical spaces are sometimes replaced or tampered with to trick you into giving away your data to unwanted parties — a seemingly harmless set of pixels could lead you to dangerous links and viruses. Researchers from MIT’s Computer Science and Artificial Intelligence Laboratory (CSAIL) have developed another potential option: BrightMarker, an invisible, fluorescent tag hidden in 3D-printed objects, such as a ball, container, gadget case, or gear. The researchers believe their system can enhance motion tracking, virtual reality, and object detection.

To create a BrightMarker, users can download the CSAIL team’s software plugin for 3D modeling programs like Blender. After placing the tag within the geometry of their design, they can export it as an STL file for 3D printing. With fluorescent filaments inserted into the printer, users can fabricate an object with a hidden tag, much like an invisible QR code. Users will need to embed their markers into an object before it’s fabricated, meaning the tags cannot be added to existing items.[…]

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