VISION-BASED AUGMENTED REALITY SYSTEM USING INVISIBLE MARKER
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United States of America Patent
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app pub date -
Sep 5, 2014
filing date -
Jul 30, 2004
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Abstract
A vision-based augmented reality system using an invisible marker indicates an invisible marker on a target object to be tracked, such that it can rapidly and correctly track the target object by detecting the invisible marker. The augmented reality system includes a target object (TO) including an infrared marker (IM) drawn by an invisible infrared light-emitting material; a visible-ray camera (110) for capturing an image of the TO; an infrared-ray camera (120) for capturing an image of the IM included in the TO image; an optical axis converter for allowing the infrared-ray camera (120) and the visible-ray camera (110) to have the same viewing point; an image processing system (140) for rendering a prepared virtual image to the TO image to generate a new image.
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