Abstract
We have studied aerial image for aerial digital signage. This signage is composed of light, sound wave and thermal. Because the signs are aerial and have no physical hardware at the image positions, we can walk through the signs. This indicates that our signage position is everywhere you want, for example, signs can be placed right in front of a walker’s face. This signage can be perceived by ears and by skin as well as by eye. This means that this type of signage have high sense of realism.
© 2015 Japan Society of Applied Physics, Optical Society of America
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