Abstract
We are investigating methods for improving the robustness and consistency of the Single Point Active Alignment Method (SPAAM) optical see-through (OST) head-mounted display (HMD) calibration procedure. Our investigation focuses on two variants of SPAAM. The first utilizes a standard monocular alignment strategy to calibrate the left and right eye separately, while the second leverages stereoscopic cues available from binocular HMDs to calibrate both eyes simultaneously. We compare results from repeated calibrations between methods using eye location estimates and inter pupillary distance (IPD) measures. Our findings indicate that the stereo SPAAM method produces more accurate and consistent results during calibration compared to the monocular variant.
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