Researchers in South Korea developed a wireless sign language system using seven smart rings on the fingers. It translates ASL and ISL in real time with about 88% accuracy, without gloves, wires, or user calibration.
The technology aims to bridge a major communication gap affecting millions worldwide. The World Federation of the Deaf estimates that more than 300 sign languages are used globally.
For many deaf people, sign language is their main form of communication, complete with its own grammar and structure. But because most people do not understand it, communication barriers remain a constant challenge in daily life.
Limitations of Existing Sign Language Translation Technologies
Most existing sign language translation technologies rely on bulky sensor gloves or wired electrode systems that can be uncomfortable and limit natural hand movement. Many also need to be recalibrated for each new user, making them impractical for everyday use. Because of these drawbacks, widespread adoption has remained limited despite years of development.
The South Korean researchers developed a system called WRSLT — short for Wirelessly Connected Ring-Type Sign Language Translator. It uses seven lightweight smart rings worn on specific fingers across both hands.
Unlike older systems, the rings are completely wireless, allowing users to sign naturally without limiting hand movement. Each ring includes a tiny accelerometer, similar to the sensors used in smartphones to detect screen orientation.
Real-Time Sign Language Translation Process
As the user signs, the sensors track finger position and hand movement, then send the data via Bluetooth to a smartphone or computer. An AI model analyzes the motion patterns and translates them into written text in real time.
According to the researchers, the wireless and modular system supports sentence-level translation and can work across different users and sign languages without individual calibration.
The system was trained on one group of users and tested on a completely separate group it had never seen before to ensure strong real-world performance.
It achieved 88.5% accuracy on International Sign Language (ISL) and 88.3% on American Sign Language (ASL), showing consistent results despite differences in individual signing styles and hand variations.
Current Capabilities and Future Development of WRSLT
Currently, WRSLT recognizes 100 ASL and 100 ISL words. Next steps include shrinking the device and expanding both the dataset and vocabulary to support more sign languages and broader everyday communication.
WRSLT stands out not for its individual technologies, but for combining modular, wireless, and cross-user generalizable design in a form factor that preserves natural movement. Its ring-based setup is also more scalable than custom gloves, which are harder to manufacture and fit consistently.
Read the original article on: tech.yahoo
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