AR term of the day: ‘fiducial’
While finally taking the time to sit down and read Michael Abrash's second “Two Possible Paths into the Future of Wearable Computing” blog post, I learned the term “fiducial,” a physical marker that an AR display uses as a target on which to render the augmented reality display.
A fiducial marker or fiducial is an object placed in the field of view of an imaging system which appears in the image produced, for use as a point of reference or a measure. It may be either something placed into or on the imaging subject, or a mark or set of marks in the reticle of an optical instrument.
Real-world example? Nintendo's 3DS AR Cards.
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