A new typology of augmented reality applications
AH '12 Proceedings of the 3rd Augmented Human International Conference
Evaluating the benefits of real-time feedback in mobile augmented reality with hand-held devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
DuploTrack: a real-time system for authoring and guiding duplo block assembly
Proceedings of the 25th annual ACM symposium on User interface software and technology
Smarter objects: using AR technology to program physical objects and their interactions
CHI '13 Extended Abstracts on Human Factors in Computing Systems
YouMove: enhancing movement training with an augmented reality mirror
Proceedings of the 26th annual ACM symposium on User interface software and technology
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Procedural tasks are common to many domains, ranging from maintenance and repair, to medicine, to the arts. We describe and evaluate a prototype augmented reality (AR) user interface designed to assist users in the relatively under-explored psychomotor phase of procedural tasks. In this phase, the user begins physical manipulations, and thus alters aspects of the underlying task environment. Our prototype tracks the user and multiple components in a typical maintenance assembly task, and provides dynamic, prescriptive, overlaid instructions on a see-through head-worn display in response to the user's ongoing activity. A user study shows participants were able to complete psychomotor aspects of the assembly task significantly faster and with significantly greater accuracy than when using 3D-graphics-based assistance presented on a stationary LCD. Qualitative questionnaire results indicate that participants overwhelmingly preferred the AR condition, and ranked it as more intuitive than the LCD condition.