Validating distortion measurements of wide-field-of-view near-eye displays

Tobias Steinel; Selver Sadikovic; Oliver Ries; Roland Schanz

doi:10.1117/12.2648388

16 March 2023 Validating distortion measurements of wide-field-of-view near-eye displays

Tobias Steinel, Selver Sadikovic, Oliver Ries, Roland Schanz

Proceedings Volume 12449, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) IV; 124491M (2023) https://doi.org/10.1117/12.2648388
Event: SPIE AR | VR | MR, 2023, San Francisco, California, United States

Conference Poster

Abstract

Compact near-eye displays covering a large field of view require complex optical imaging systems. While the optical system is designed to minimize distortion, material, design or production constrains may lead to perceptible residual distortion. Imaging light measurement devices (ILMD) are used to detect distortion for product quality assurance. However, imaging measurement systems, especially with wide-angle lenses, may also add distortion to the measurement. Therefore, the accurate calibration of ILMDs is crucial for the accuracy of AR/VR device distortion measurements. Here, we quantify and validate the accuracy of methods of distortion correction for an imaging light measurement device with a field of view (FOV) of 120° and use calibrated ILMDs to quantify geometric distortion and chromatic aberration of virtual reality (VR) headsets.

Citation Download Citation

Tobias Steinel, Selver Sadikovic, Oliver Ries, and Roland Schanz "Validating distortion measurements of wide-field-of-view near-eye displays", Proc. SPIE 12449, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) IV, 124491M (16 March 2023); https://doi.org/10.1117/12.2648388

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