Expert Help from a Distance (IMAGE) Fraunhofer-Gesellschaft Caption The system uses the 2-D barcodes attached to various parts of the malfunctioning machine to determine the camera's position and direction of view and then sends this data to the experts. Credit © Fraunhofer FKIE Usage Restrictions The picture may be used for editorial purposes only. It is protected by copyright. The use is free of charge if the reference is mentioned. License Licensed 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.