System and method for calibrating a monocular optical see-through head-mounted display system for augmented reality
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United States of America Patent
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app pub date -
Sep 25, 2001
filing date -
Sep 25, 2000
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Abandoned
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Abstract
A system and method for calibrating a monocular optical see-through HMD (head-mounted display). A preferred method integrates measurement for an optical see-through HMD and a six degrees of freedom tracker that is fixedly attached to the HMD to perform calibration. Calibration is based on the alignment of image points with a single 3D reference point in a world coordinate system from various viewpoints. The user interaction to perform the calibration is extremely easy compared to conventional methods and does not require keeping the head static during the calibration process. In one aspect, a calibration method comprises the steps of: displaying a marker image on one display of an HMD for view by a user; aligning the displayed marker image with a preselected reference point; collecting calibration data associated with the alignment; and computing a model of the HMD using the collected calibration data.
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Cited Art Landscape
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