@Duane: If it's not visual, can it still be called augmented reality?
Most certainly- but we tend to refer to AR experiences that don't require real-time rendering as "computer vision", which is really utilizing any of the sensors (including the camera) to access information or trigger actions. Image recognition and visual search is a very good example of this. Also using sensors like GPS (the Nokia example mentioned earlier) is a popular form of Computer Vision.
NASA's Orion Flight Software Production Systems Manager Darrel G. Raines joins Planet Analog Editor Steve Taranovich and Embedded.com Editor Max Maxfield to talk about embedded flight software used in Orion Spacecraft, part of NASA's Mars mission. Live radio show and live chat. Get your questions ready.
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