Augmented instructions - a fusion of augmented reality and printed learning materials

Augmented reality (AR), which overlays virtual objects onto real scenes, has large potential to provide learners with a new type of learning material. Although many AR systems have been developed for demonstration, there is a gap between their ideal and practical use. We discuss a concept for augmented instructions that mix AR and traditional printed materials. Improvement of human-computer interface is considered to serve as a bridge for the gap. To investigate on characteristics of augmented instructions and its appropriate interface, we conducted subjective evaluation, comparing 3D presentation systems; a handheld PC and a head-mounted display. The result suggested that a handheld PC was more suitable for a presentation tool of augmented instructions.