A wearable projector-based gait assistance system and its application for elderly people

Authors:
Satoshi Murata;Masanori Suzuki;Kaori Fujinami
Affiliations:
Tokyo University of Agriculture and Technology, Tokyo, Japan;Tokyo Eisei Gakuen College, Tokyo, Japan;Tokyo University of Agriculture and Technology, Tokyo, Japan
Venue:
Proceedings of the 2013 ACM international joint conference on Pervasive and ubiquitous computing
Year:
2013

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Abstract

The ability to walk is particularly important to maintain a person's quality of life (QOL). In today's aged society, ways to support the impaired gait of elderly people with a decline in physical function is in great demand. This paper proposes wearable projector-based gait assistance as a novel application of mobile projectors. The technical challenge is to compensate the projected image with the intended position and size during walking. To verify the concept, we developed a self-gait training assistance system that displays stride length information on the floor while the user is walking. We conducted a study with ten healthy older adults (ages: 76-91). The results show the effectiveness of visual clues in controlling stride length and elderly people's acceptance of the wearable projector device.