Improving AI accuracy (IMAGE) Osaka Metropolitan University Caption Adding data such as hand and facial expressions, as well as skeletal information on the position of the hands relative to the body, to the information on the general movements of the signer’s upper body improves word recognition. Credit Osaka Metropolitan University Usage Restrictions News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper only. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.