Modern approaches to augmented reality
SIGGRAPH '05 ACM SIGGRAPH 2005 Courses
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The article looks at two new display technologies: Heliodisplay, which condenses the air above a video projector - the device then projects an image onto the condensed air; and FogScreen, a display surface made out of a cloud of water vapor diffused into the air as a very dry fog - a projector can display images on the FogScreen.