Modularization and calibration of augmented reality display systems

Abstract

Methods and systems are described for calibrating modular components of display system prior to assembly. Sensor data is collected from multiple modular components such as cameras, displays, and inertial measurement units under controlled testing conditions. Deformation parameters of a support frame are estimated based on the collected sensor data and preconfigured deformation models. Intrinsic parameters of each modular component, such as optical and alignment characteristics, are calibrated using the collected data. Extrinsic parameters, defining spatial relationships between the modular components, are calibrated based on the estimated deformation parameters. The calibrated intrinsic and extrinsic parameters are provided as output for use during assembly.

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