System and method for optical calibration of a head-mounted display
Abstract:
A system and method for display distortion calibration are configured to capture distortion with image patterns and calibrate distortion with ray tracing for an optical pipeline with lenses. The system includes an image sensor and a processor to perform the method for display distortion calibration. The method includes generating an image pattern to encode display image pixels by encoding display distortion associated with a plurality of image patterns. The method also includes determining a distortion of the image pattern resulting from a lens on a head-mounted display (HMD) and decoding the distorted image patterns to obtain distortion of pixels on a display. A lookup table is created of angular distortion of all the pixels on the display. The method further includes providing a compensation factor for the distortion by creating distortion correction based on the lookup table of angular distortion.
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