Spatial calibration of an optical see-through head-mounted display
Gilson, S. J., Fitzgibbon, A. W. and Glennerster, A. (2008) Spatial calibration of an optical see-through head-mounted display. Journal of Neuroscience Methods, 173 (1). pp. 140-146. ISSN 0165-0270
To link to this article DOI: 10.1016/j.jneumeth.2008.05.015
We present here a method for calibrating an optical see-through Head Mounted Display (HMD) using techniques usually applied to camera calibration (photogrammetry). Using a camera placed inside the HMD to take pictures simultaneously of a tracked object and features in the HMD display, we could exploit established camera calibration techniques to recover both the intrinsic and extrinsic properties of the~HMD (width, height, focal length, optic centre and principal ray of the display). Our method gives low re-projection errors and, unlike existing methods, involves no time-consuming and error-prone human measurements, nor any prior estimates about the HMD geometry.
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